{"id":169,"date":"2020-05-13T18:56:46","date_gmt":"2020-05-13T09:56:46","guid":{"rendered":"http:\/\/stevenoh0908.kro.kr\/blog\/?p=169"},"modified":"2020-08-06T18:33:08","modified_gmt":"2020-08-06T09:33:08","slug":"%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/","title":{"rendered":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"> \uac1c\uc778\uc801\uc73c\ub85c \uc9c4\ud589\ud558\uace0 \uc788\ub294 \uc5f0\uad6c \ud65c\ub3d9\uc5d0\uc11c, \ub450 \uc885\ub958\uc758 \uce74\ud14c\uace0\ub9ac\uc758 \ub370\uc774\ud130\ub4e4\uc774 \ubd84\ud3ec\ud558\uc5ec \uc788\uc744 \ub54c, \uc774\ub4e4\uc744 \uad6c\ubd84\ud560 \uc218 \uc788\ub294 \ucd5c\uc801\uc758 \uad6c\ubd84\uc120\uc744 \uae0b\ub294 \ubc29\ubc95\uc744 \uace0\ubbfc\ud558\uace0 \uc788\ub2e4. \ucc98\uc74c\uc758 \ubd84\uc0b0 \ub4f1\uc758 \uac1c\ub150\uc5d0\uc11c \ucc29\uc548\ud55c, \ube44\uc6a9\ud568\uc218\uc801\uc778 \uc811\uadfc\uc744 \uc0ac\uc6a9\ud558\ub294 \uc2dc\ub3c4\ub4e4\uc740 \ub300\uce6d\uc801\uc778 \ub370\uc774\ud130, \ub450 \uce74\ud14c\uace0\ub9ac\uc758 \ub370\uc774\ud130 \uac1c\uc218\uac00 \ub3d9\uc77c\ud55c \uacbd\uc6b0 \uc815\ub3c4\uc5d0\ub9cc \uadf8\ub7ed\uc800\ub7ed \ub3d9\uc791\ud588\uae30 \ub54c\ubb38\uc5d0, \uacb0\uacfc\uc801\uc73c\ub85c \uc544\uc774\ub514\uc5b4\ub97c \ucc3e\uae30 \uc704\ud574 \uad6c\uae00\ub9c1\uc744 \uc880 \ud558\ub2e4\uac00 \uba38\uc2e0\ub7ec\ub2dd\uc5d0\uc11c\uc758 \uc758\uc0ac\uacb0\uc815\ub098\ubb34(Decision Tree) \uc54c\uace0\ub9ac\uc998 \ubd80\ubd84\uc5d0\uc11c \uc815\ubcf4\uacfc\ud559 \ubd84\uc57c\uc5d0 \ud574\ub2f9\ud558\ub294 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c(Entropy)\uc640 \uc815\ubcf4\ud68d\ub4dd(Information Gain)\uc5d0 \uad00\ud55c \ub0b4\uc6a9\uc744 \ucc3e\uc558\uae30\uc5d0, \uc774\ub97c \ub098\ub9cc\uc758 \ud615\ud0dc\ub85c \uc54c\uace0\ub9ac\uc998\ud654\ud558\uae30 \uc804\uc5d0 \uc5ec\uae30\uc5d0 \ub0b4\uac00 \uc774\ud574\ud55c \ubc29\uc2dd\ub300\ub85c \uc801\uc5b4\ub450\ub824\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \ud544\uc790\ub294 \uc544\uc9c1 \uace0\ub4f1\ud559\uc0dd\uc5d0 \ubd88\uacfc\ud558\ubbc0\ub85c, \ub300\ud559\uc0dd \uc704\uc8fc\ub85c \ub9de\ucd94\uc5b4\uc838 \uc788\ub294 \uc124\uba85\ub4e4\uc744 \uc774\ud574\ud558\uae30 \ud798\ub4e4\uc5b4 \ud55c\ucc38 \uace0\uc0dd\uc744 \ud588\ub2e4. \uac01\uc885 \ube14\ub85c\uadf8\uc640 Youtube \ub3d9\uc601\uc0c1 \uac15\uc758\ub97c \ucc38\uc870\ud558\uc600\ub294\ub370, \uadf8\ub7ed\uc800\ub7ed \uc774\ud574\ud55c\uc9c0\ub294 \ubaa8\ub974\uaca0\uc9c0\ub9cc \uc77c\ub2e8\uc740 \uc5ec\uae30\uc5d0 \uc0b4\ud3b4\ubcf4\uac70\ub098 \ucc38\uc870\ud55c \uadf8 \ud398\uc774\uc9c0 \ubaa9\ub85d\uc744 \uc801\uc5b4 \ubcf8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>1. <a href=\"https:\/\/ratsgo.github.io\/machine%20learning\/2017\/03\/26\/tree\/\" target=\"_blank\" rel=\"noreferrer noopener\" title=\"https:\/\/ratsgo.github.io\/machine%20learning\/2017\/03\/26\/tree\/\">\uc758\uc0ac\uacb0\uc815\ub098\ubb34(Decision Tree) \u2013 ratsgo\u2019s blog<\/a><br>2. <a href=\"https:\/\/untitledtblog.tistory.com\/119\" target=\"_blank\" rel=\"noreferrer noopener\" title=\"https:\/\/untitledtblog.tistory.com\/119\">\uc815\ubcf4\uc774\ub860\uacfc \uc5d4\ud2b8\ub85c\ud53c \u2013 Bool\ub2d8\uc758 Tistory \ube14\ub85c\uadf8 Untitled<\/a><br>3.<a href=\"https:\/\/www.youtube.com\/watch?v=zJmbkp9TCXY\" target=\"_blank\" rel=\"noreferrer noopener\" title=\"https:\/\/www.youtube.com\/watch?v=zJmbkp9TCXY\">#4.0. \uc815\ubcf4\ub7c9\uc744 \ub098\ud0c0\ub0b4\ub294 \uc5d4\ud2b8\ub85c\ud53c (Entropy) \u2013 Terry TaeWoong Um\ub2d8\uc758 Youtube \uac15\uc758<\/a><br>4. <a href=\"https:\/\/ko.khanacademy.org\/computing\/computer-science\/informationtheory\/moderninfotheory\/v\/information-entropy\" target=\"_blank\" rel=\"noreferrer noopener\" title=\"https:\/\/ko.khanacademy.org\/computing\/computer-science\/informationtheory\/moderninfotheory\/v\/information-entropy\">\uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c (\ub3d9\uc601\uc0c1) | \ud604\ub300 \uc815\ubcf4 \uc774\ub860 \u2013 Khan Academy Labs<\/a><\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"> \ubbf8\ub9ac \uacbd\uace0\ud558\uc9c0\ub9cc, \ud544\uc790\ub294 \uc804\uacf5\uc790\uac00 \uc544\ub2c8\uace0, \ub2e8\uc21c\ud788 \ucde8\ubbf8\ub098 \uc5f0\uad6c \ud65c\ub3d9\uc744 \uc704\ud558\uc5ec \ucc3e\uc544\ubcf8 \uacb0\uacfc\ub97c \uc5ec\uae30\uc5d0 \uae30\ub85d\ud574\ub450\ub294 \uac83\uc774\ub2e4. \uc774 \uae30\ub85d\uc740 \uc815\ud655\ud55c \uac83\uc774 \uc544\ub2d0 \uac00\ub2a5\uc131\uc774 \uaf64 \uc788\uc73c\ub2c8, \ubcf4\ub2e4 \uc815\ud655\ud558\uac8c \uacf5\ubd80\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\ub978 \uae00\ub4e4\uc744 \ucc38\uace0\ud558\uae30 \ubc14\ub780\ub2e4.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#%EC%97%94%ED%8A%B8%EB%A1%9C%ED%94%BCEntropy\" >\uc5d4\ud2b8\ub85c\ud53c(Entropy)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#%EC%A0%95%EB%B3%B4%EB%9F%89\" >\uc815\ubcf4\ub7c9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#%EC%97%94%ED%8A%B8%EB%A1%9C%ED%94%BCEntropy-2\" >\uc5d4\ud2b8\ub85c\ud53c(Entropy)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#%EC%A0%95%EB%B3%B4%ED%9A%8D%EB%93%9D\" >\uc815\ubcf4\ud68d\ub4dd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#%EB%81%9D%EC%9C%BC%EB%A1%9C\" >\ub05d\uc73c\ub85c<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%97%94%ED%8A%B8%EB%A1%9C%ED%94%BCEntropy\"><\/span>\uc5d4\ud2b8\ub85c\ud53c(Entropy)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%A0%95%EB%B3%B4%EB%9F%89\"><\/span>\uc815\ubcf4\ub7c9<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc6b0\uc120 \uc5d4\ud2b8\ub85c\ud53c\ub97c \uc124\uba85\ud558\uae30 \uc804\uc5d0 \uc788\uc5b4 \uc815\ubcf4\ub7c9\uc774\ub780 \ubb34\uc5c7\uc778\uc9c0\ubd80\ud130 \uc801\uc5b4\ub450\ub294 \uac83\uc774 \ub098\uc744 \uac83 \uac19\ub2e4. \uc815\ubcf4\ub7c9\uc740 \ud574\ub2f9 \uc815\ubcf4\ub97c \uae30\uc220\ud558\uae30 \uc704\ud558\uc5ec \ud544\uc694\ud55c \ucd5c\uc18c\uc758 bit \uc218\ub77c \ud560 \uc218 \uc788\uaca0\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc608\ub97c \ub4e4\uc5b4\ubcf4\uc790, Khan Academy\uc758 \uac15\uc758 \ucd08\ubc18\uc5d0 \ub4f1\uc7a5\ud588\ub358 \uc608\uc2dc\uc778\ub370, \ub300\ucda9 \uc774\ub807\ub2e4. A, B, C, D \ub124 \uc885\ub958\uc758 \ubb38\uc790\ub97c \ub79c\ub364\uc73c\ub85c \ucd9c\ub825\ud558\ub294 \ub450 \uae30\uacc4\uac00 \uc788\ub2e4\uace0 \ud558\uc790. \ub2e8, \ub450 \uae30\uacc4\ub294 \uac01 \ubb38\uc790\ub97c \ub2e4\uc74c\uacfc \uac19\uc740 \ud655\ub960\uc5d0 \ub530\ub77c \ucd9c\ub825\ud55c\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\uae30\uacc4 1: A 25%, B 25%, C 25%, D 25%<\/li><li>\uae30\uacc4 2: A 50%, B 25%, C 12.5%, D 12.5%<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774 \ub54c, \uae30\uacc4\uac00 \uc784\uc758\uc758 \ud55c \uac1c\uc758 \ubb38\uc790\ub97c \ucd9c\ub825\ud588\uc744 \ub54c, \uc774 \uae30\uacc4\uac00 \ucd9c\ub825\ud55c \ubb38\uc790\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uae30 \uc704\ud558\uc5ec \uc6b0\ub9ac\ub294 \ucd5c\uc18c\ud55c \uc608\/\uc544\ub2c8\uc624\uc758 \uc9c8\ubb38\uc744 \uba87 \ubc88\uc744 \ud574\uc57c \ud558\ub294\uac00\ub97c \uc0dd\uac01\ud574\ubcf4\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \ubcf4\ud1b5 \uc608\/\uc544\ub2c8\uc624 \uc9c8\ubb38\uc744 \ud1b5\ud574 \uac00\ub2a5\ud55c \ube68\ub9ac \uc815\ubcf4\ub97c \ubf51\uc73c\ub824\uba74, \ud55c \ubc88\uc758 \uc9c8\ubb38\uc744 \ud1b5\ud574 \uac00\ub2a5\ud55c \ub9ce\uc740 \uacbd\uc6b0\ub97c \uc81c\ub07c\ub294 \uac83\uc774 \ub098\uc744 \uac83\uc774\ub2e4. \ub530\ub77c\uc11c, \ud55c \ubc88\uc758 \uc9c8\ubb38\uc744 \ud560 \ub54c \uadf8 \uc9c8\ubb38\uc5d0 \ub300\ud574 \u2018\uc608\u2019\uc77c \ud655\ub960\uacfc \u2018\uc544\ub2c8\uc624\u2019\uc77c \ud655\ub960\uc774 \uac01\uac01 50%\uc778 \uac83\uc774 \uac00\uc7a5 \ud6a8\uc728\uc801\uc77c \uac83\uc784\uc740 \uc790\uba85\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uae30\uacc4 1\uc758 \uacbd\uc6b0\ub97c \uc0dd\uac01\ud574\ubcf4\uc790. \ubaa8\ub4e0 \ubb38\uc790\uc758 \ucd9c\ub825 \ud655\ub960\uc774 \ub3d9\uc77c\ud558\ubbc0\ub85c, \ub9e8 \ucc98\uc74c\uc5d0 \u2018\uadf8 \ubb38\uc790\uac00 A \ub610\ub294 B\uc778\uac00\uc694?\u2019\ub77c\uace0 \ubb3b\ub294\ub2e4\uba74 \uc608\uc77c \ud655\ub960\uacfc \uc544\ub2c8\uc624\uc77c \ud655\ub960\uc774 \uac01\uac01 50%\ub85c \uac00\uc7a5 \ud6a8\uc728\uc801\uc778 \uc9c8\ubb38\uc774 \ub420 \uac83\uc774\ub2e4. \uadf8 \ub300\ub2f5\uc5d0 \uc608\uc77c \uacbd\uc6b0\ub294 \u2018\uadf8 \ubb38\uc790\uac00 A\uc778\uac00\uc694?\u2019\ub77c\uace0 \ubb3b\ub294\ub2e4\uba74 \uc5ed\uc2dc \uc870\uac74\ubd80 \ud655\ub960\uc5d0\uc11c A\uc77c \ud655\ub960\uacfc B\uc77c \ud655\ub960\uc774 \uac01\uac01 50%\ub85c\uc11c, \ub610\ud55c \ud6a8\uc728\uc801\uc774\uace0, \uc544\ub2c8\uc624\uc77c \uacbd\uc6b0\uc5d0\ub3c4 \u2018\uadf8 \ubb38\uc790\uac00 C\uc778\uac00\uc694?\u2019\ub77c\uace0 \ubb3b\ub294\ub2e4\uba74 \uc5ed\uc2dc \uc870\uac74\ubd80 \ud655\ub960\uc5d0\uc11c C\uc77c \ud655\ub960\uacfc D\uc77c \ud655\ub960<br>\uc774 \uac01\uac01 50%\ub85c\uc11c \ud6a8\uc728\uc801\uc778 \uc9c8\ubb38\uc774 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc989, \uae30\uacc4 1\uc758 \uacbd\uc6b0\uc5d0\uc11c\ub294 \ucd9c\ub825\ub41c \ubb38\uc790\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uc544\ubcf4\uae30 \uc704\ud574\uc11c\ub294, A, B, C, D \ubaa8\ub4e0 \uacbd\uc6b0\uc5d0 \ub300\ud558\uc5ec \uc9c8\ubb38\uc744 2\ubc88\ub9cc \ud558\uba74 \uc54c \uc218\uac00 \uc788\ub2e4. \uc774\ub97c \ucef4\ud4e8\ud130\uac00 \ud45c\ud604\ud558\uae30 \uc704\ud574\uc11c\ub294, \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uc774 \uc608\ub77c\uba74 1\ub85c, \uc544\ub2c8\uc624\ub77c\uba74 0\uc73c\ub85c \uc800\uc7a5\ud55c\ub2e4\uace0 \ud560 \ub54c, 1\ubc88\uc9f8 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uacfc 2\ubc88\uc9f8 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uc744 \uc800\uc7a5\ud558\uba74 \ucda9\ubd84\ud558\ubbc0\ub85c, \ub2e8\uc9c0 2\uac1c\uc758 bit\ub9cc \uc788\uc5b4\ub3c4 \ucda9\ubd84\ud560 \uac83\uc774\ub2e4. \uc989, \ubb38\uc790\uac00 A\uc778 \uacbd\uc6b0\ub294 \uc704\uc758 \uc9c8\ubb38 \ubc29\uc2dd\uc5d0\uc11c\ub294 11, B\uc778 \uacbd\uc6b0\ub294 10, C\uc778 \uacbd\uc6b0\ub294 01, D\uc778 \uacbd\uc6b0\ub294 00 \uc774\ub7f0 \uc2dd\uc73c\ub85c \uae30\uc220\ud560 \uc218 \uc788\ub294 \uac83\uc774\ub2e4. \uc774 \ub54c \uc6b0\ub9ac\ub294 A\ub97c \uae30\uc220\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \uc815\ubcf4\ub7c9\uc740 2, B\ub97c \uae30\uc220\ud558\uae30\uc704\ud574 \ud544\uc694\ud55c \uc815\ubcf4\ub7c9\uc740 2, \u2026 \uc774\ub7f0 \uc2dd\uc73c\ub85c \ub9d0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uae30\uacc4 2\uc758 \uacbd\uc6b0\ub97c \uc0dd\uac01\ud574\ubcf4\uc790. \uc774\ubc88\uc5d0\ub294 \ubb38\uc790\uac00 \ucd9c\ub825\ub420 \ud655\ub960\uc774 \uaf64 \ub2e4\ub974\ub2e4. \ub530\ub77c\uc11c, \ud6a8\uc728\uc801\uc778 \uc9c8\ubb38 \ubc29\uc2dd\uc744 \uad6c\uc131\ud558\ub294 \uc808\ucc28\ub3c4 \uae30\uacc4 1\uc758 \uacbd\uc6b0\uc640\ub294 \ub2e4\ub97c \uac83\uc774\ub2e4. \uc608 \/ \uc544\ub2c8\uc624\uc5d0 \ub300\ud55c \uac01\uac01\uc758 \ud655\ub960\uc744 50%\ub85c \ub9de\ucd94\ub294 \uac83\uc774 \ud6a8\uc728\uc801\uc774\ub2c8, \uae30\uacc4 2\uc5d0\uc11c \ucd9c\ub825\ub41c \ubb38\uc790\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uae30 \uc704\ud574\uc11c\ub294 \uac00\uc7a5 \uba3c\uc800 \u2018\uadf8 \ubb38\uc790\uac00 A\uc778\uac00\uc694?\u2019\ub77c\uace0 \ubb3b\ub294 \uac83\uc774 \uac00\uc7a5 \ud6a8\uc728\uc801\uc77c \uac83\uc774\ub2e4. A\uc77c \ud655\ub960\uc774 50%, A\uac00 \uc544\ub2d0 \ud655\ub960(B or C or D\uc77c \ud655\ub960)\uc774 50%\uc774\uae30 \ub54c\ubb38\uc774\ub2e4. \ub9cc\uc57d \ub300\ub2f5\uc774 \u2018\uc544\ub2c8\uc624\u2019\ub77c\uba74, \ub450 \ubc88\uc9f8 \uc9c8\ubb38\uc73c\ub85c\ub294 \u2018\uadf8 \ubb38\uc790\uac00 B\uc778\uac00\uc694?\u2019\ub77c\uace0 \ubb3b\ub294 \uac83\uc774 \uac00\uc7a5 \ud6a8\uc728\uc801\uc77c \uac83\uc774\ub2e4. \uc870\uac74\ubd80 \ud655\ub960\uc5d0\uc11c B\uc77c<br>\ud655\ub960\uc774 50%, B\uac00 \uc544\ub2d0 \ud655\ub960(C or D\uc77c \ud655\ub960)\uc774 50%\uc774\uae30 \ub54c\ubb38\uc774\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc774\uc5d0 \ub300\ud55c \ub300\ub2f5\ub3c4 \u2018\uc544\ub2c8\uc624\u2019\ub77c\uba74, \u2018\uadf8 \ubb38\uc790\uac00 C\uc778\uac00\uc694?\u2019\ub77c\uace0 \ubb3c\uc73c\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uace0\ub85c, \uae30\uacc4 2\uc758 \uacbd\uc6b0\uc5d0\ub294 \ubb38\uc790\uc5d0 \ub530\ub77c \ud574\uc57c \ub418\ub294 \ucd5c\uc18c\ud55c\uc758 \uc9c8\ubb38\uc758 \uac1c\uc218\uac00 \ub2e4\ub974\uac8c \ub41c\ub2e4. A\uc778\uc9c0 \uc54c\uc544\ubcf4\uae30 \uc704\ud574\uc11c\ub294 \ub2e8 1\uac1c\uc758 \uc9c8\ubb38\uc774, B\uc778\uc9c0 \uc54c\uc544\ubcf4\uae30 \uc704\ud574\uc11c\ub294 \ub2e8 2\uac1c\uc758 \uc9c8\ubb38\uc774\uba74 \ucda9\ubd84\ud558\uc9c0\ub9cc, C, D\uc778\uc9c0 \uc54c\uc544\ubcf4\uae30 \uc704\ud574\uc11c\ub294 \uc9c8\ubb38\uc744 3\uac1c \ub358\uc838\uc57c \ud55c\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc774\ub97c \ucef4\ud4e8\ud130\uac00 \ud45c\ud604\ud558\uae30 \uc704\ud574\uc11c\ub294, A\uc758 \uacbd\uc6b0\ub294 1\uc774\ub77c\uace0 \uccab\ubc88\uc9f8 \uc9c8\ubb38\uc5d0 \ub300\ud55c\ub2f5\ub9cc \ud45c\uc2dc\ud574\ub3c4 \ucda9\ubd84\ud558\uba70, B\uc758 \uacbd\uc6b0\ub294 11\uc774\ub77c\uace0 \ub450 \uac1c\uc758 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uc744 \ud45c\uc2dc\ud574\uc57c \ud560 \uac83\uc774\uace0, C\uc758 \uacbd\uc6b0\ub294 111, D\uc758 \uacbd\uc6b0\ub294 110\uc774\ub77c\uace0 \uc138 \uac1c\uc758 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uc744 \ud45c\uc2dc\ud574\uc57c \ud560 \uac83\uc774\ub2e4. \ub530\ub77c\uc11c A\ub97c \uae30\uc220\ud558\uae30 \uc704\ud574 \ud544\uc694\ud55c \uc815\ubcf4\ub7c9\uc740 1, B\uc758 \uacbd\uc6b0\ub294 2, C, D\uc758 \uacbd\uc6b0\ub294 3\uc774\ub77c\uace0 \ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc989, \uc815\ubcf4\ub7c9\uc740 \uc774\ub7f0 \uc2dd\uc758, \uc5b4\ub5a4 \ud655\ub960 \ubd84\ud3ec\ub97c \uac00\uc9c0\uace0 \ub098\ud0c0\ub098\ub294 \ub370\uc774\ud130\ub4e4 \uac01\uac01\uc5d0 \ub300\ud574 \uc774\ub4e4\uc744 \uae30\uc220\ud558\ub294\ub370 \ud544\uc694\ud55c bit \uc218\ub97c \uc758\ubbf8\ud55c\ub2e4\uace0 \ud560 \uc218 \uc788\uaca0\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uadf8\ub807\ub2e4\uba74 \uc774\ub97c \uc218\uc2dd\uc801\uc73c\ub85c \uc5b4\ub5bb\uac8c \uc815\uc758\ud560 \uc218 \uc788\uc744\uae4c? \ubd84\uba85\ud55c \uac83\uc740 \uc5b4\ub5a4 \ub370\uc774\ud130\ub97c \uae30\uc220\ud558\uae30 \uc704\ud55c \uc815\ubcf4\ub7c9\uc740, \uadf8 \ub370\uc774\ud130\uac00 \ub098\ud0c0\ub0a0 \ud655\ub960\uacfc \uad00\ub828\uc774 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4. \uae30\uacc4 1\uc758 \uacbd\uc6b0\ub294 C\uac00 \ub098\ud0c0\ub0a0 \ud655\ub960\uc774 25%, \uc989 1\/4\uc774\ub77c \uadf8 \uc815\ubcf4\ub7c9\uc740 2\uc600\uc73c\ub098, \uae30\uacc4 2\uc758 \uacbd\uc6b0\ub294 C\uac00 \ub098\ud0c0\ub0a0 \ud655\ub960\uc774 12.5%, \uc989 1\/8\uc774\ub77c \uadf8 \uc815\ubcf4\ub7c9\uc740 3\uc774\uc5c8\ub358 \uc810\uc744 \uae30\uc5b5\ud558\uc790. \ubb50\uac00 \uc880 \ubcf4\uc774\ub294\uac00?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \ucef4\ud4e8\ud130\ub294 2\uc9c4\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc815\ubcf4\ub97c \uae30\uc220\ud55c\ub2e4. \uc5b4\ub5a4 \ub370\uc774\ud130\uac00 \ub098\ud0c0\ub0a0 \ud655\ub960\uc774 \uc791\uc744 \uc218\ub85d, \uadf8 \ub370\uc774\ud130\ub97c \uae30\uc220\ud558\uae30 \uc704\ud558\uc5ec \ud574\uc57c \ud560 \uc9c8\ubb38\uc758 \uc218\uac00 \ub9ce\uc544\uc9c0\ubbc0\ub85c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc815\ubcf4\ub7c9\uc740 \uc99d\uac00\ud55c\ub2e4. \uc5b4\ub5a4 \ub370\uc774\ud130 $i$\uac00 \ub098\ud0c0\ub0a0 \ud655\ub960\uc774 $P_{i}$\uc778 \uacbd\uc6b0, \uadf8 \uc815\ubcf4\ub7c9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uc218\uc2dd\uc73c\ub85c \uae30\uc220\ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>$I_{i} = -log_{2}(P_{i})$<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc704 \uc218\uc2dd\uc740 \uc704\uc758 \uc6b0\ub9ac\uc758 \ub17c\uc758 \uacb0\uacfc\uc640 \uc77c\uce58\ud55c\ub2e4. \uae30\uacc4 2\uc758 A\uac00 \ub098\uc62c \ud655\ub960\uc740 1\/2\uc600\ub294\ub370, \uc774\uc5d0 \ub300\uc785\ud558\uba74 A\uc758 \uc815\ubcf4\ub7c9\uc740 \uc815\ud655\ud788 1\uc774\uba70, C\uac00 \ub098\uc62c \ud655\ub960 1\/8\uc744 \ub300\uc785\ud558\uba74 C\uc758 \uc815\ubcf4\ub7c9\uc740 3\uc774\ub2e4. \ubb3c\ub860, \uc774\ub7ec\ud55c \uc218\uc2dd\uc740 1\/3 \ub4f1\uc758 \ud655\ub960\uc5d0 \ub300\ud574\uc11c\ub294 \uc790\uc5f0\uc218\uac00 \uc544\ub2cc \uac12\uc744 \ucd9c\ub825\ud558\ub294\ub370, \ucef4\ud4e8\ud130\uc758 \ube44\ud2b8 \uc218\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc790\uc5f0\uc218\uc774\ub2e4. \uc774 \uc810\uc5d0 \ub300\ud574\uc11c\ub294, \uadf8\ub0e5 \uc77c\ubc18\uc801\uc778 \uacbd\uc6b0\uc5d0 \ub300\ud574 \ubaa8\ub450 \uc815\uc758\ud558\uae30 \uc704\ud574 \uc815\ubcf4\ub7c9\uc744 \uc2e4\uc218 \ubc94\uc8fc \ubaa8\ub450\uc5d0 \ub300\uc751\uc2dc\ucf30\ub2e4\uace0 \uc0dd\uac01\ud558\ub294 \uac83\uc774 \ub098\uc744 \uac83 \uac19\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ube14\ub85c\uadf8\uc5d0\uc11c\ub294 \ub300\ub7b5\uc801\uc778 \uc774\ud574\ub9cc\uc744 \uc704\ud558\uc5ec \uc774 \uae00\uc744 \uc4f0\uace0 \uc788\uc73c\ub2c8, \uc790\uc138\ud55c \uc720\ub3c4 \uacfc\uc815\uc774\ub098 \uc99d\uba85 \ub4f1\uc740 \uc0dd\ub7b5\ud55c\ub2e4. \uad6c\uae00\ub9c1\ud558\uba74 \uaf64 \ubcf5\uc7a1\ud558\uac8c \ub098\uc624\ub294\ub370, \uc194\uc9c1\ud558\uac8c \ud544\uc790\ub3c4 \uc544\uc9c1 \uc774\ud574\ud55c \uac83\uc740 \uc544\ub2c8\ub77c \uae30\uc220\ud558\uc9c0 \uc54a\ub294 \uac83\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%97%94%ED%8A%B8%EB%A1%9C%ED%94%BCEntropy-2\"><\/span>\uc5d4\ud2b8\ub85c\ud53c(Entropy)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc5d4\ud2b8\ub85c\ud53c\ub780 \uc5b4\ub5a4 \uc9d1\ud569\uc744 \uc815\ubcf4\uc758 \ud615\ud0dc\ub85c \uae30\uc220\ud558\uae30 \uc704\ud558\uc5ec \ud544\uc694\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub418\ub294 \ud3c9\uade0\uc801\uc778 bit \uc218\ub77c\uace0 \ud560 \uc218 \uc788\uaca0\ub2e4. \uc6b0\uc120, \uc5d4\ud2b8\ub85c\ud53c\uc758 \uc218\uc2dd\uc801 \uc815\uc758\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4. \uc5b4\ucc0c \ubcf4\uba74 \uadf8 \uc9d1\ud569\uc5d0 \ub300\ud55c \uc815\ubcf4\ub7c9\uc758 \uae30\ub313\uac12\uc774\ub77c \ud560 \uc218\ub3c4 \uc788\uaca0\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>$Entropy = &#8211; \\sum_{k=1}^m p_{k}log_{2}(p_{k})$<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774\ud574\ub97c \ub3d5\uae30 \uc704\ud574 \uc544\uae4c \ub4e4\uc5c8\ub358 \uc608\uc81c\ub97c \uc0dd\uac01\ud574\ubcf4\ub3c4\ub85d \ud558\uaca0\ub2e4. \uae30\uacc4 1\uc5d0 \uc758\ud574 \ub098\uc624\ub294 \uacb0\uacfc \uc9d1\ud569\uc758 \uc5d4\ud2b8\ub85c\ud53c\ub97c \uacc4\uc0b0\ud574\ubcf4\uc790.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uae30\uacc4 1\uc5d0\ub294 A, B, C, D\uc758 \ub124 \uc885\ub958\uc758 \ub370\uc774\ud130(\uc774\ub4e4\uc744 \ubcf4\ud1b5 \ub808\ucf54\ub4dc\ub77c\uace0 \uce6d\ud55c\ub2e4)\uac00 \uc788\uc73c\uba70, \uadf8\ub4e4\uc758 \ub4f1\uc7a5 \ud655\ub960\uc740 \ubaa8\ub450 \uac01\uac01 25%, 1\/4\ub85c \ub3d9\uc77c\ud558\ub2e4. \uc704\uc758 \uacf5\uc2dd\uc5d0 \ub123\uc5b4 \uacc4\uc0b0\ud574\ubcf4\uba74, \ub2f9\uc5f0\ud788 \uae30\uacc4 1\uc5d0 \uc758\ud55c \uacb0\uacfc \uc9d1\ud569\uc5d0 \ub300\ud55c Entropy\ub294 2\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uae30\uacc4 2\uc758 \uacbd\uc6b0\ub3c4 \uc0dd\uac01\ud574\ubcf4\uc790. \uae30\uacc4 2\uc5d0\ub3c4 A, B, C, D\uc758 \ub124 \uc885\ub958\uc758 \ub808\ucf54\ub4dc\uac00 \uc788\uc5c8\uc73c\ub098, \uadf8\ub4e4\uc758 \ub4f1\uc7a5 \ud655\ub960\uc740 \uac01\uac0150%(=1\/2), 25%(=1\/4), 12.5%(=1\/8), 12.5%(=1\/8)\ub85c \ub2ec\ub790\ub2e4. \uc704\uc758 \uacf5\uc2dd\uc5d0 \ub123\uc5b4 \uacc4\uc0b0\ud574\ubcf4\uba74, \uae30\uacc4 2\uc5d0 \uc758\ud55c \uacb0\uacfc \uc9d1\ud569\uc5d0 \ub300\ud55c Entropy\ub294 1.75\uac00 \ub418\uaca0\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774 \uc5d4\ud2b8\ub85c\ud53c\ub77c\ub294 \uac1c\ub150\uc740 \uc880 \uc0c9\ub2e4\ub978 \ud45c\ud604\uc774 \uc788\ub2e4. \ub9c8\uce58, \uc790\uc5f0\uacfc\ud559\uc758 \u2018\uc5d4\ud2b8\ub85c\ud53c\u2019\uac00 \ubb34\uc9c8\uc11c\uc758 \ucc99\ub3c4\uc774\ub4ef, \uc815\ubcf4\uacfc\ud559\uc5d0\uc11c\ub3c4 \u2018\uc5d4\ud2b8\ub85c\ud53c\u2019\ub294 \ubb34\uc9c8\uc11c\uc758 \ucc99\ub3c4\uc774\ub2e4. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \ubcf4\ub2e4 \uc815\ud655\ud788 \ub9d0\ud558\uc790\uba74 \uc5d4\ud2b8\ub85c\ud53c\ub294 <strong>\ubd88\uc21c\ub3c4<\/strong>(impurity) \ud639\uc740 <strong>\ubd88\ud655\uc2e4\uc131<\/strong>(uncertainty)\uc758 \ucc99\ub3c4\uc774\ub2e4. \ubb34\uc2a8 \ub9d0\uc778\uc9c0 \uc608\uc2dc \uadf8\ub9bc\uc744 \ubcf4\uba70 \uc124\uba85\ud558\uaca0\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/img1.daumcdn.net\/thumb\/R1280x0\/?scode=mtistory2&amp;fname=http%3A%2F%2Fcfile4.uf.tistory.com%2Fimage%2F25562C4D5808CBE6414339\" alt=\"\"\/><figcaption>\ucd9c\ucc98: <a href=\"http:\/\/untitledblog.tistory.com\/119\" target=\"_blank\" rel=\"noreferrer noopener\">untitledblog.tistory.com\/119<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc67c\ucabd, \uc624\ub978\ucabd \uc601\uc5ed\uc5d0\uc11c \uc6b0\ub9ac\uac00 \uc784\uc758\ub85c \ub2e8 \ud55c \uac1c\uc758 \uce78\uc744 \uc120\ud0dd\ud55c\ub2e4\uace0 \uc0dd\uac01\ud574\ubcf4\uc790. \uc774\ub7f0 \uc0c1\ud669\uc740 \uc5b4\ub5a4 \ud655\ub960 \ubd84\ud3ec\ub97c \uac00\uc9c4 \ub370\uc774\ud130 \uc9d1\ud569 \uc0c1\uc5d0\uc11c \uc5b4\ub5a4 \ub808\ucf54\ub4dc\ub97c \uae30\uc220\ud558\ub294 \uc0c1\ud669\uc774\ub77c\ub294 \uc810\uc5d0\uc11c \uc55e\uc5d0\uc11c \ub17c\uc758\ud588\ub358 \u2018\uae30\uacc4\u2019 \uc0c1\ud669\uacfc \uacb0\uad6d \uac19\uc740 \uc0c1\ud669\uc774\ub2e4. \uc67c\ucabd \uadf8\ub9bc (a)\uc758 \uacbd\uc6b0\ub97c \uba3c\uc800 \uc0dd\uac01\ud574\ubcf4\uba74, \ubaa8\ub450 \uac80\uc740\uc0c9\uc73c\ub85c\ub9cc \uac00\ub4dd \ucc28 \uc788\uae30 \ub54c\ubb38\uc5d0, \ub808\ucf54\ub4dc\ub294 \uac80\uc740\uc0c9 \ub531 1\uac1c\uc774\uace0, \uadf8 \ub4f1\uc7a5 \ud655\ub960\uc740 1\uc774\uba70, \uc5d4\ud2b8\ub85c\ud53c\ub97c \uacc4\uc0b0\ud574\ubcf4\uba74 0\uc774\ub2e4. \ubc18\uba74 \uc624\ub978\ucabd \uadf8\ub9bc (b)\uc758 \uacbd\uc6b0\ub294, \uac80\uc740\uc0c9\uacfc \ud770\uc0c9\uc774 \uc11e\uc5ec \uc788\ub294\ub370, \uac80\uc740\uc0c9\uc740 19\uac1c, \ud770\uc0c9\uc740 17\uac1c\uac00 \uc788\uc73c\ub2c8 \ub808\ucf54\ub4dc\ub294 \ud770\uc0c9\uacfc \uac80\uc740\uc0c9\uc758 2\uc885\ub958\uac00 \uc788\uace0, \uadf8 \ub4f1\uc7a5 \ud655\ub960\uc740 \uac01\uac01 17\/36, 19\/36\uc774\uba70, \uc5d4\ud2b8\ub85c\ud53c\ub294 \uacc4\uc0b0\ud574\ubcf4\uba74 0.998 \uc815\ub3c4\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \ubb34\uc5b8\uac00 \uae68\ub2ec\uc558\ub294\uac00? \uc5b4\ub5a4 \ub370\uc774\ud130 \uc9d1\ud569\uc5d0 \ub300\ud55c \uc5d4\ud2b8\ub85c\ud53c\ub294 \uadf8 \ub370\uc774\ud130 \uc9d1\ud569\uc774 \uc5bc\ub9c8\ub098 \uc5b4\uc9c0\ub7fd\ud600\uc838 \uc788\ub294\uc9c0, \uc5bc\ub9c8\ub098 \ubb34\uc9c8\uc11c\ud55c\uc9c0\ub97c \ub098\ud0c0\ub0b4\uc8fc\ub294 \ucc99\ub3c4\uc778 \uc148\uc774\ub2e4. \ud639\uc740, \uadf8 \ub370\uc774\ud130 \uc9d1\ud569\uc5d0\uc11c \ud55c \ub808\ucf54\ub4dc\uac00 \ub2e4\ub978 \ub808\ucf54\ub4dc\uc640 \uc5bc\ub9c8\ub098 \ub9ce\uc774 \uc11e\uc5ec \uc788\ub294\uc9c0, \uc989 \ubd88\uc21c\uc218\ud55c\uc9c0\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ucc99\ub3c4(\ubd88\uc21c\ub3c4)\uc774\uba70, \uadf8 \ub370\uc774\ud130 \uc9d1\ud569\uc5d0\uc11c \uc784\uc758\ub85c \ud55c \uac1c\uc758 \ub370\uc774\ud130\ub97c \uc120\ud0dd\ud588\uc744 \ub54c \uc774 \ub370\uc774\ud130\uac00 \uc5b4\ub5a4 \uc885\ub958\uc778\uc9c0 \uc608\uce21\ud558\uae30 \ubcf4\ub2e4 \ub354 \ud798\ub4e4\ub2e4(\ubd88\ud655\uc815\uc131)\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774\ub7ec\ud55c \uc5d4\ud2b8\ub85c\ud53c\uc758 \uc131\uc9c8\uc740 \ud544\uc790\uac00 \uc5f0\uad6c \uc911\uc778 \u2018\uc601\uc5ed \uad6c\ubd84\uc758 \ubb38\uc81c\u2019\uc5d0 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub420 \uc218 \uc788\ub2e4. \uba38\uc2e0\ub7ec\ub2dd\uc758 \uc54c\uace0\ub9ac\uc998 \uc911\uc5d0\ub294 \uc758\uc0ac\uacb0\uc815\ud2b8\ub9ac\ub77c\ub294 \uc54c\uace0\ub9ac\uc998\uc774 \uc788\ub294\ub370, \uc774 \uc758\uc0ac\uacb0\uc815\ud2b8\ub9ac \ubb38\uc81c \uc911 \ubd84\ub958 \ud2b8\ub9ac\uc758 \uacbd\uc6b0\ub294 \uc5b4\ub5a4 \ub370\uc774\ud130 \uc601\uc5ed\ub4e4\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, \uc774\ub4e4\uc744 \uc801\uc808\ud788 \ub450 \uc601\uc5ed\uc73c\ub85c \uad6c\ubd84\ud558\ub294 \uacfc\uc815\uc744 \ubc18\ubcf5\ud574\uc11c \ub450 \uc601\uc5ed\uc744 \uc798 \ub098\ub204\uac8c \ud558\ub294 \uacfc\uc815\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\ub2e4. \uc774\ub7ec\ud55c \uacfc\uc815\uc740 \ud544\uc5f0\uc801\uc73c\ub85c \uadf8\uc740 \uad6c\ubd84\uc120\uc774 \uc5bc\ub9c8\ub098 \uc601\uc5ed\uc744 \uc798 \ub098\ub204\uc5c8\ub294\uac00\ub97c \ud3c9\uac00\ud558\ub294 \ub2e8\uacc4\ub97c \ud3ec\ud568\ud558\uac8c \ub418\ub294\ub370, \uc774 \ub54c \uc6b0\ub9ac\uc758 \uc5d4\ud2b8\ub85c\ud53c\uac00 \uc0ac\uc6a9\ub418\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%A0%95%EB%B3%B4%ED%9A%8D%EB%93%9D\"><\/span>\uc815\ubcf4\ud68d\ub4dd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"> \ubd84\ub958 \ud2b8\ub9ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uad6c\ubd84 \ub4a4\uc5d0 \uad6c\ubd84\ub41c \uac01 \uc601\uc5ed\uc758 <strong>\uc21c\ub3c4<\/strong>(homogeneity)\uac00 \uc99d\uac00,<strong> \ubd88\uc21c\ub3c4<\/strong>(impurity) \ud639\uc740 <strong>\ubd88\ud655\uc2e4\uc131<\/strong>(uncertainty)\uc774 \ucd5c\ub300\ud55c \uac10\uc18c\ud558\ub294 \ubc29\ud5a5\uc73c\ub85c \ud559\uc2b5\uc744 \uc9c4\ud589\ud55c\ub2e4\uace0\ub4e4 \ub9d0\ud55c\ub2e4. \uc5b4\ub5a4 \ub370\uc774\ud130 \uc601\uc5ed\uc758 \uc21c\ub3c4\uac00 \uc99d\uac00, \uc989 \ubd88\ud655\uc2e4\uc131\uc774 \uac10\uc18c\ud558\ub294 \uac83\uc744 \uc815\ubcf4 \uc774\ub860\uc5d0\uc11c\ub294 <strong>\uc815\ubcf4\ud68d\ub4dd<\/strong>(information gain)\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc815\ubcf4\ud68d\ub4dd\uc758 \uc591\uc740 \uc5b4\ub5a4 \ud589\uc704 \uc774\uc804\uc758 \uc5d4\ud2b8\ub85c\ud53c\uc5d0\uc11c \ud589\uc704 \uc774\ud6c4\uc758 \uc5d4\ud2b8\ub85c\ud53c\ub97c \ube80 \uac12(\uc5d4\ud2b8\ub85c\ud53c\uc758 \ubcc0\ud654\ub7c9)\uc73c\ub85c \uc815\uc758\ud560 \uc218 \uc788\ub2e4. \uc774\ub97c \ubd84\ub958 \ud2b8\ub9ac\uc758 \uacfc\uc815\uc744 \ud1b5\ud574 \ubcf4\ub2e4 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"http:\/\/i.imgur.com\/heIgkif.png\" alt=\"\"\/><figcaption>\ucd9c\ucc98: <a href=\"https:\/\/ratsgo.github.io\/machine%20learning\/2017\/03\/26\/tree\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/ratsgo.github.io\/machine%20learning\/2017\/03\/26\/tree\/<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">  \uadf8\ub9bc\uacfc \uac19\uc774, \uc8fc\ud669\uc0c9 \uc120\uc73c\ub85c \ub458\ub7ec\uc2f8\uc778 \uc5b4\ub5a4 \uc601\uc5ed A\uac00 \uc788\ub2e4\uace0 \ud558\uc790. \uc601\uc5ed A\uc5d0\ub294 \uc801\uc0c9, \uccad\uc0c9\uc758 2\uac1c\uc758 \ub808\ucf54\ub4dc\uac00 \uc788\uc73c\uba70, \uc801\uc0c9\uc740 10\uac1c, \uccad\uc0c9\uc740 6\uac1c\ub85c \ucd1d 16\uac1c\uc758 \ub370\uc774\ud130\uac00 \uc788\ub2e4\uace0 \ud558\uc790. \uc774 \ub54c \uc601\uc5ed A\uc758 \uc5d4\ud2b8\ub85c\ud53c\ub97c \uacc4\uc0b0\ud574\ubcf4\uba74, \ub300\ub7b5 0.95 \uc815\ub3c4\uac00 \ub098\uc628\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9cc\uc57d \uadf8\ub9bc\uc758 \ubd89\uc740 \uc810\uc120\uacfc \uac19\uc740 \uad6c\ubd84\uc120\uc744 \uadf8\uc5b4 \uc601\uc5ed\uc744 \uc704\ucabd \uc601\uc5ed R1, \uc544\ub798\ucabd \uc601\uc5ed R2\ub85c \uad6c\ubd84\ud558\uc600\ub2e4\uba74, \uc804\uccb4 \uc601\uc5ed A\uc5d0 \ub300\ud55c \uc5d4\ud2b8\ub85c\ud53c\ub294 \uc815\uc758\uc5d0 \ube44\ucd94\uc5b4\ubcfc \ub54c, \uac01\uac01\uc758 \uc601\uc5ed\uc758 \ube44\uc728\uc744 \uace0\ub824\ud558\uc5ec \uacc4\uc0b0\ud55c \uc815\ubcf4\ub7c9\uc758 \uae30\ub313\uac12\uc774 \ub420 \uac83\uc774\ub2e4. \ub530\ub77c\uc11c \ubd84\ud560 \uc804\uc758 \ub370\uc774\ud130\ub4e4 \uac00\uc6b4\ub370 \ubd84\ud560 \ud6c4, i \uc601\uc5ed\uc5d0 \uc18d\ud558\ub294 \ub370\uc774\ud130\ub4e4\uc758 \ube44\uc728\uc744 Ri\ub77c\uace0 \ud560 \ub54c, \uad6c\ubd84\uc120\uc744 \uadf8\uc740 \ud6c4\uc758 \uc804\uccb4 \uc601\uc5ed A\uc758 \uc5d4\ud2b8\ub85c\ud53c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ud560 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>$Entropy(A) = \\sum_{i=1}^d R_i (- \\sum_{k=1}^m p_k log_2 (p_k ))$<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774\uc5d0 \ub530\ub77c \uad6c\ubd84\uc120\uc744 \uadf8\uc740 \ud6c4\uc758 \uc804\uccb4 \uc601\uc5ed A\uc5d0 \ub300\ud55c \uc5d4\ud2b8\ub85c\ud53c\ub97c \uacc4\uc0b0\ud558\uba74 \uc57d 0.75\uac00 \ub41c\ub2e4. \uc774\ub294 \uc601\uc5ed A\ub97c \ub098\ub214\uc73c\ub85c\uc11c \ubcf4\ub2e4 \uac19\uc740 \uc885\ub958\uc758 \ub370\uc774\ud130\ub4e4\uc774 \uc798 \ubaa8\uc774\uac8c \ub418\uc5c8\uc74c\uc744 \uc758\ubbf8\ud55c\ub2e4. \uc989, 0.95-0.75=0.2\ub9cc\ud07c\uc758 \uc5d4\ud2b8\ub85c\ud53c\uac00 \uac10\uc18c\ud568\uc73c\ub85c\uc11c(=\ubd88\ud655\uc2e4\uc131 \uac10\uc18c=\uc21c\ub3c4 \uc99d\uac00=\uc815\ubcf4\ud68d\ub4dd) \uc774 \uad6c\ubd84\uc120\uc744 \uadf8\uc740 \uac83\uc774 \uad6c\ubd84\uc120\uc744 \uae0b\uc9c0 \uc54a\uc740 \uacbd\uc6b0\ubcf4\ub2e4 \ud6e8\uc52c \uc601\uc5ed\uc744 \uc798 \ub098\ub204\uc5c8\ub2e4\uace0 \ud310\ub2e8\ud560 \uc218 \uc788\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EB%81%9D%EC%9C%BC%EB%A1%9C\"><\/span>\ub05d\uc73c\ub85c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774\ub807\uac8c \ud574\uc11c \uc77c\ub2e8 \ud544\uc790\uac00 \uc54c\uace0 \uc788\ub294 \ub300\ub85c \uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ub7c9, \uc815\ubcf4\ud68d\ub4dd \ub4f1\uc5d0 \uad00\ud558\uc5ec \ub300\ucda9 \uc815\ub9ac\ud55c \ub4ef \ud558\ub2e4. \ub2e4\uc2dc \ud55c\ubc88 \uac15\uc870\ud558\uc9c0\ub9cc, \uc704 \ub0b4\uc6a9\uc740 \ud544\uc790\uac00 \uc774\ud574\ud55c \ub0b4\uc6a9\uc5d0 \ubd88\uacfc\ud558\uba70, \uc804\uacf5\uc0dd\uc774 \uc544\ub2cc \ud544\uc790\uc758 \ud2b9\uc131 \uc0c1 \ubd80\uc815\ud655\ud560 \uac00\ub2a5\uc131\uc774 \uc0c1\ub2f9\ud788 \uc788\uc73c\ub2c8, \ub9cc\uc57d \uba38\uc2e0\ub7ec\ub2dd\uc774\ub098 \uc815\ubcf4\uacfc\ud559 \uae30\uc220\uc758 \ud559\uc2b5\uc744 \ubaa9\uc801\uc73c\ub85c \ud55c\ub2e4\uba74 \uc774 \uae00\uc774 \uc544\ub2cc \ub2e4\ub978 \uc804\ubb38\uac00\ub4e4\uc774 \uc4f4 \uae00\ub4e4\uc744 \uc77d\uae30\ub97c \uad8c\uc7a5\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uae00\uc5d0 \uc9c8\ubb38\uc774\ub098 \uc758\uacac\uc774 \uc788\ub2e4\uba74 \ub313\uae00\ub85c \ub0a8\uaca8\uc8fc\uae30 \ubc14\ub77c\uba70, \uae34 \uae00\uc744 \uc77d\uc5b4\uc8fc\uc2e0 \uc5ec\ub7ec\ubd84\ub4e4\uaed8 \uac10\uc0ac\ub4dc\ub9b0\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uac1c\uc778\uc801\uc73c\ub85c \uc9c4\ud589\ud558\uace0 \uc788\ub294 \uc5f0\uad6c \ud65c\ub3d9\uc5d0\uc11c, \ub450 \uc885\ub958\uc758 \uce74\ud14c\uace0\ub9ac\uc758 \ub370\uc774\ud130\ub4e4\uc774 \ubd84\ud3ec\ud558\uc5ec \uc788\uc744 \ub54c, \uc774\ub4e4\uc744 \uad6c\ubd84\ud560 \uc218 \uc788\ub294 \ucd5c\uc801\uc758 \uad6c\ubd84\uc120\uc744 \uae0b\ub294 \ubc29\ubc95\uc744 \uace0\ubbfc\ud558\uace0 \uc788\ub2e4. <a class=\"read-more\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/\">[&#8230;]<\/a><\/p>\n","protected":false},"author":18,"featured_media":174,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0","_share_on_mastodon_status":"## [%title%](%permalink%)\r\n\r\n%excerpt%"},"categories":[4],"tags":[],"series":[],"class_list":["post-169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledges"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\uce74\ud398\uc9c0\uae30 &#039;\ucc45\ubc8c\ub808&#039;\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"\ucee4\ud53c\uc0ac\uc720\"\/>\n\t<meta name=\"keywords\" content=\"\ucc45\ubc8c\ub808,\uc815\ubcf4\ud68d\ub4dd,\ubd84\ub958\ud2b8\ub9ac,\uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c,\uc815\ubcf4\ub7c9,knowledges\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_GB\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Cafe \ucee4\ud53c\uc0ac\uc720 | \uce74\ud398\uc9c0\uae30 \ucee4\ud53c\uc0ac\uc720\uc758 \ucee4\ud53c\uc640 \uc0ac\uc720(\u601d\u60df)\uac00 \uc788\ub294 \uacf5\uac04.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac | Cafe \ucee4\ud53c\uc0ac\uc720\" \/>\n\t\t<meta property=\"og:description\" content=\"\uce74\ud398\uc9c0\uae30 &#039;\ucc45\ubc8c\ub808&#039;\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2021\/08\/cropped-favicon-1.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2021\/08\/cropped-favicon-1.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t\t<meta property=\"og:image:height\" content=\"512\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-05-13T09:56:46+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-08-06T09:33:08+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/stevenoh0908\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@stevenoh0908\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac | Cafe \ucee4\ud53c\uc0ac\uc720\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\uce74\ud398\uc9c0\uae30 &#039;\ucc45\ubc8c\ub808&#039;\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.\" \/>\n\t\t<meta name=\"twitter:creator\" content=\"@stevenoh0908\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2021\/08\/cropped-favicon-1.png\" \/>\n\t\t<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t\t<meta name=\"twitter:data1\" content=\"\ucee4\ud53c\uc0ac\uc720\" \/>\n\t\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#article\",\"name\":\"\\uc5d4\\ud2b8\\ub85c\\ud53c, \\uc815\\ubcf4\\ud68d\\ub4dd\\uacfc \\ubd84\\ub958\\ud2b8\\ub9ac | Cafe \\ucee4\\ud53c\\uc0ac\\uc720\",\"headline\":\"\\uc5d4\\ud2b8\\ub85c\\ud53c, \\uc815\\ubcf4\\ud68d\\ub4dd\\uacfc \\ubd84\\ub958\\ud2b8\\ub9ac\",\"author\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/author\\\/stevenoh0908\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/#person\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/08\\\/pexels-photo-572056.jpeg\",\"width\":1880,\"height\":1254,\"caption\":\"Photo by Serpstat on Pexels.com\"},\"datePublished\":\"2020-05-13T18:56:46+09:00\",\"dateModified\":\"2020-08-06T18:33:08+09:00\",\"inLanguage\":\"en-GB\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#webpage\"},\"articleSection\":\"Knowledges\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/category\\\/knowledges\\\/#listItem\",\"name\":\"Knowledges\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/category\\\/knowledges\\\/#listItem\",\"position\":2,\"name\":\"Knowledges\",\"item\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/category\\\/knowledges\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#listItem\",\"name\":\"\\uc5d4\\ud2b8\\ub85c\\ud53c, \\uc815\\ubcf4\\ud68d\\ub4dd\\uacfc \\ubd84\\ub958\\ud2b8\\ub9ac\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#listItem\",\"position\":3,\"name\":\"\\uc5d4\\ud2b8\\ub85c\\ud53c, \\uc815\\ubcf4\\ud68d\\ub4dd\\uacfc \\ubd84\\ub958\\ud2b8\\ub9ac\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/category\\\/knowledges\\\/#listItem\",\"name\":\"Knowledges\"}}]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/#person\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/author\\\/stevenoh0908\\\/#author\",\"url\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/author\\\/stevenoh0908\\\/\",\"name\":\"\\ucee4\\ud53c\\uc0ac\\uc720\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#authorImage\",\"url\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/Stephen-Oh_New_Avatar_2021_Remaster_Circle_Cropped-150x150.png\",\"width\":96,\"height\":96,\"caption\":\"\\ucee4\\ud53c\\uc0ac\\uc720\"},\"sameAs\":[\"https:\\\/\\\/twingyeo.kr\\\/@stevenoh0908\",\"https:\\\/\\\/github.com\\\/stevenoh0908\"]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#webpage\",\"url\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/\",\"name\":\"\\uc5d4\\ud2b8\\ub85c\\ud53c, \\uc815\\ubcf4\\ud68d\\ub4dd\\uacfc \\ubd84\\ub958\\ud2b8\\ub9ac | Cafe \\ucee4\\ud53c\\uc0ac\\uc720\",\"description\":\"\\uce74\\ud398\\uc9c0\\uae30 '\\ucc45\\ubc8c\\ub808'\\uac00 \\uc815\\ubcf4 \\uc5d4\\ud2b8\\ub85c\\ud53c\\uc640 \\uc815\\ubcf4\\ud68d\\ub4dd, \\ubd84\\ub958\\ud2b8\\ub9ac \\ub4f1\\uc744 \\uacf5\\ubd80\\ud55c \\uac83\\uc744 \\uc815\\ub9ac\\ud574\\ub193\\uc740 \\uae00.\",\"inLanguage\":\"en-GB\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/author\\\/stevenoh0908\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/author\\\/stevenoh0908\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/wp-content\\\/uploads\\\/2020\\\/08\\\/pexels-photo-572056.jpeg\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#mainImage\",\"width\":1880,\"height\":1254,\"caption\":\"Photo by Serpstat on Pexels.com\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/knowledges\\\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\\\/#mainImage\"},\"datePublished\":\"2020-05-13T18:56:46+09:00\",\"dateModified\":\"2020-08-06T18:33:08+09:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/\",\"name\":\"Cafe \\ucee4\\ud53c\\uc0ac\\uc720\",\"alternateName\":\"\\ucee4\\ud53c\\uc0ac\\uc720\",\"description\":\"\\uce74\\ud398\\uc9c0\\uae30 \\ucee4\\ud53c\\uc0ac\\uc720\\uc758 \\ucee4\\ud53c\\uc640 \\uc0ac\\uc720(\\u601d\\u60df)\\uac00 \\uc788\\ub294 \\uacf5\\uac04.\",\"inLanguage\":\"en-GB\",\"publisher\":{\"@id\":\"https:\\\/\\\/stevenoh0908.pe.kr\\\/blog\\\/#person\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac | Cafe \ucee4\ud53c\uc0ac\uc720","description":"\uce74\ud398\uc9c0\uae30 '\ucc45\ubc8c\ub808'\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.","canonical_url":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/","robots":"max-image-preview:large","keywords":"\ucc45\ubc8c\ub808,\uc815\ubcf4\ud68d\ub4dd,\ubd84\ub958\ud2b8\ub9ac,\uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c,\uc815\ubcf4\ub7c9,knowledges","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#article","name":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac | Cafe \ucee4\ud53c\uc0ac\uc720","headline":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac","author":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/author\/stevenoh0908\/#author"},"publisher":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/#person"},"image":{"@type":"ImageObject","url":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2020\/08\/pexels-photo-572056.jpeg","width":1880,"height":1254,"caption":"Photo by Serpstat on Pexels.com"},"datePublished":"2020-05-13T18:56:46+09:00","dateModified":"2020-08-06T18:33:08+09:00","inLanguage":"en-GB","mainEntityOfPage":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#webpage"},"isPartOf":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#webpage"},"articleSection":"Knowledges"},{"@type":"BreadcrumbList","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/#listItem","position":1,"name":"Home","item":"https:\/\/stevenoh0908.pe.kr\/blog\/","nextItem":{"@type":"ListItem","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/category\/knowledges\/#listItem","name":"Knowledges"}},{"@type":"ListItem","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/category\/knowledges\/#listItem","position":2,"name":"Knowledges","item":"https:\/\/stevenoh0908.pe.kr\/blog\/category\/knowledges\/","nextItem":{"@type":"ListItem","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#listItem","name":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac"},"previousItem":{"@type":"ListItem","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#listItem","position":3,"name":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac","previousItem":{"@type":"ListItem","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/category\/knowledges\/#listItem","name":"Knowledges"}}]},{"@type":"Person","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/#person"},{"@type":"Person","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/author\/stevenoh0908\/#author","url":"https:\/\/stevenoh0908.pe.kr\/blog\/author\/stevenoh0908\/","name":"\ucee4\ud53c\uc0ac\uc720","image":{"@type":"ImageObject","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#authorImage","url":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2025\/08\/Stephen-Oh_New_Avatar_2021_Remaster_Circle_Cropped-150x150.png","width":96,"height":96,"caption":"\ucee4\ud53c\uc0ac\uc720"},"sameAs":["https:\/\/twingyeo.kr\/@stevenoh0908","https:\/\/github.com\/stevenoh0908"]},{"@type":"WebPage","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#webpage","url":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/","name":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac | Cafe \ucee4\ud53c\uc0ac\uc720","description":"\uce74\ud398\uc9c0\uae30 '\ucc45\ubc8c\ub808'\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.","inLanguage":"en-GB","isPartOf":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/#website"},"breadcrumb":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#breadcrumblist"},"author":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/author\/stevenoh0908\/#author"},"creator":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/author\/stevenoh0908\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2020\/08\/pexels-photo-572056.jpeg","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#mainImage","width":1880,"height":1254,"caption":"Photo by Serpstat on Pexels.com"},"primaryImageOfPage":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/#mainImage"},"datePublished":"2020-05-13T18:56:46+09:00","dateModified":"2020-08-06T18:33:08+09:00"},{"@type":"WebSite","@id":"https:\/\/stevenoh0908.pe.kr\/blog\/#website","url":"https:\/\/stevenoh0908.pe.kr\/blog\/","name":"Cafe \ucee4\ud53c\uc0ac\uc720","alternateName":"\ucee4\ud53c\uc0ac\uc720","description":"\uce74\ud398\uc9c0\uae30 \ucee4\ud53c\uc0ac\uc720\uc758 \ucee4\ud53c\uc640 \uc0ac\uc720(\u601d\u60df)\uac00 \uc788\ub294 \uacf5\uac04.","inLanguage":"en-GB","publisher":{"@id":"https:\/\/stevenoh0908.pe.kr\/blog\/#person"}}]},"og:locale":"en_GB","og:site_name":"Cafe \ucee4\ud53c\uc0ac\uc720 | \uce74\ud398\uc9c0\uae30 \ucee4\ud53c\uc0ac\uc720\uc758 \ucee4\ud53c\uc640 \uc0ac\uc720(\u601d\u60df)\uac00 \uc788\ub294 \uacf5\uac04.","og:type":"article","og:title":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac | Cafe \ucee4\ud53c\uc0ac\uc720","og:description":"\uce74\ud398\uc9c0\uae30 '\ucc45\ubc8c\ub808'\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.","og:url":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/%ec%97%94%ed%8a%b8%eb%a1%9c%ed%94%bc-%ec%a0%95%eb%b3%b4%ed%9a%8d%eb%93%9d%ea%b3%bc-%eb%b6%84%eb%a5%98%ed%8a%b8%eb%a6%ac\/","og:image":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2021\/08\/cropped-favicon-1.png","og:image:secure_url":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2021\/08\/cropped-favicon-1.png","og:image:width":512,"og:image:height":512,"article:published_time":"2020-05-13T09:56:46+00:00","article:modified_time":"2020-08-06T09:33:08+00:00","article:publisher":"https:\/\/facebook.com\/stevenoh0908","twitter:card":"summary","twitter:site":"@stevenoh0908","twitter:title":"\uc5d4\ud2b8\ub85c\ud53c, \uc815\ubcf4\ud68d\ub4dd\uacfc \ubd84\ub958\ud2b8\ub9ac | Cafe \ucee4\ud53c\uc0ac\uc720","twitter:description":"\uce74\ud398\uc9c0\uae30 '\ucc45\ubc8c\ub808'\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.","twitter:creator":"@stevenoh0908","twitter:image":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-content\/uploads\/2021\/08\/cropped-favicon-1.png","twitter:label1":"Written by","twitter:data1":"\ucee4\ud53c\uc0ac\uc720","twitter:label2":"Est. reading time","twitter:data2":"1 minute"},"aioseo_meta_data":{"post_id":"169","title":null,"description":"\uce74\ud398\uc9c0\uae30 '\ucc45\ubc8c\ub808'\uac00 \uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c\uc640 \uc815\ubcf4\ud68d\ub4dd, \ubd84\ub958\ud2b8\ub9ac \ub4f1\uc744 \uacf5\ubd80\ud55c \uac83\uc744 \uc815\ub9ac\ud574\ub193\uc740 \uae00.","keywords":[{"label":"\ucc45\ubc8c\ub808","value":"\ucc45\ubc8c\ub808"},{"label":"\uc815\ubcf4\ud68d\ub4dd","value":"\uc815\ubcf4\ud68d\ub4dd"},{"label":"\ubd84\ub958\ud2b8\ub9ac","value":"\ubd84\ub958\ud2b8\ub9ac"},{"label":"\uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c","value":"\uc815\ubcf4 \uc5d4\ud2b8\ub85c\ud53c"},{"label":"\uc815\ubcf4\ub7c9","value":"\uc815\ubcf4\ub7c9"}],"keyphrases":null,"primary_term":null,"canonical_url":"","og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"location":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2020-12-21 02:50:07","updated":"2022-09-13 20:28:20","seo_analyzer_scan_date":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/posts\/169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/comments?post=169"}],"version-history":[{"count":5,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":202,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/posts\/169\/revisions\/202"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/media\/174"}],"wp:attachment":[{"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/media?parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/categories?post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/tags?post=169"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/stevenoh0908.pe.kr\/blog\/wp-json\/wp\/v2\/series?post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}