{"id":772,"date":"2024-07-11T08:22:23","date_gmt":"2024-07-11T08:22:23","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=772"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%ec%82%ac%ec%a0%84%ed%99%95%eb%a5%a0","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=772","title":{"rendered":"\uc0ac\uc804\ud655\ub960(Prior probability)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc0ac\uc804 \ud655\ub960(Prior Probability)\uc740 \ud2b9\uc815 \uc0ac\uac74\uc774 \uc77c\uc5b4\ub098\uae30 \uc804\uc5d0 \uadf8 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub418\ub294 \ud655\ub960\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub294 \uae30\uc874\uc758 \uc9c0\uc2dd\uc774\ub098 \uacbd\ud5d8\uc5d0 \uae30\ubc18\ud55c \ud655\ub960\uc785\ub2c8\ub2e4. \uc0ac\uc804 \ud655\ub960\uc740 \ubca0\uc774\uc988 \uc815\ub9ac\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70, \uc0c8\ub85c\uc6b4 \uc99d\uac70\ub098 \uc815\ubcf4\ub97c \ubc14\ud0d5\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub418\ub294 \uc0ac\ud6c4 \ud655\ub960(Posterior Probability)\uc744 \uacc4\uc0b0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%82%AC%EC%A0%84_%ED%99%95%EB%A5%A0%EC%9D%98_%EA%B0%9C%EB%85%90\"><\/span>\uc0ac\uc804 \ud655\ub960\uc758 \uac1c\ub150<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ucd08\uae30 \uac00\uc815<\/strong>: \uc0ac\uc804 \ud655\ub960\uc740 \uc5b4\ub5a4 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud558\uae30 \uc804\uc5d0 \uc774\ubbf8 \uc54c\uace0 \uc788\ub294 \uc815\ubcf4\ub098 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uc124\uc815\ub41c \ucd08\uae30 \uac00\uc815\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubca0\uc774\uc988 \uc815\ub9ac\uc758 \ucd9c\ubc1c\uc810<\/strong>: \ubca0\uc774\uc988 \uc815\ub9ac\uc5d0\uc11c \uc0ac\uc804 \ud655\ub960\uc740 \uc0c8\ub85c\uc6b4 \uc99d\uac70\ub97c \uace0\ub824\ud558\uae30 \uc804\uc758 \ucd08\uae30 \ud655\ub960\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%8B%9C\"><\/span>\uc608\uc2dc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uc758\ud559\uc801 \uc608\uc2dc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\ub5a4 \ubcd1\uc5d0 \uac78\ub9b4 \ud655\ub960\uc744 \uacc4\uc0b0\ud560 \ub54c \uc0ac\uc804 \ud655\ub960\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud2b9\uc815 \uc9c8\ubcd1\uc758 \uc0ac\uc804 \ud655\ub960\uc774 5%\ub77c\uba74, \uc774\ub294 \uc804\uccb4 \uc778\uad6c \uc911 5%\uac00 \uadf8 \uc9c8\ubcd1\uc5d0 \uac78\ub9b4 \uac83\uc73c\ub85c \uc608\uc0c1\ub41c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\ubca0\uc774\uc988 \uc815\ub9ac\uc5d0\uc11c\uc758 \uc5ed\ud560<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\ubca0\uc774\uc988 \uc815\ub9ac\uc758 \uc218\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[<br>P(A|B) = \\frac{P(B|A) \\cdot P(A)}{P(B)}<br>]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>( P(A) ): \uc0ac\uac74 A\uc758 \uc0ac\uc804 \ud655\ub960 (Prior Probability)<\/li>\n\n\n\n<li>( P(B|A) ): \uc0ac\uac74 A\uac00 \ubc1c\uc0dd\ud55c \uacbd\uc6b0 \uc0ac\uac74 B\uac00 \ubc1c\uc0dd\ud560 \uc870\uac74\ubd80 \ud655\ub960 (Likelihood)<\/li>\n\n\n\n<li>( P(B) ): \uc0ac\uac74 B\uac00 \ubc1c\uc0dd\ud560 \uc804\uccb4 \ud655\ub960 (Marginal Likelihood)<\/li>\n\n\n\n<li>( P(A|B) ): \uc0ac\uac74 B\uac00 \ubc1c\uc0dd\ud55c \ud6c4 \uc0ac\uac74 A\uac00 \ubc1c\uc0dd\ud560 \uc0ac\ud6c4 \ud655\ub960 (Posterior Probability)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%82%AC%EC%A0%84_%ED%99%95%EB%A5%A0%EC%9D%98_%EC%A4%91%EC%9A%94%EC%84%B1\"><\/span>\uc0ac\uc804 \ud655\ub960\uc758 \uc911\uc694\uc131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ucd08\uae30 \uac00\uc815\uc758 \uc601\ud5a5<\/strong>: \uc0ac\uc804 \ud655\ub960\uc774 \ub192\uc73c\uba74 \uc0c8\ub85c\uc6b4 \uc99d\uac70\uac00 \ucd94\uac00\ub418\ub354\ub77c\ub3c4 \uc0ac\ud6c4 \ud655\ub960\uc774 \ub192\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4. \ubc18\ub300\ub85c, \uc0ac\uc804 \ud655\ub960\uc774 \ub0ae\uc73c\uba74 \uc0c8\ub85c\uc6b4 \uc99d\uac70\uac00 \uc788\uc5b4\ub3c4 \uc0ac\ud6c4 \ud655\ub960\uc774 \ub0ae\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc5c5\ub370\uc774\ud2b8 \uac00\ub2a5\uc131<\/strong>: \uc0c8\ub85c\uc6b4 \uc99d\uac70\ub098 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uc0ac\uc804 \ud655\ub960\uc744 \uc218\uc815\ud558\uc5ec \uc0ac\ud6c4 \ud655\ub960\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%8B%9C%EA%B0%81%EC%A0%81_%EC%98%88%EC%8B%9C\"><\/span>\uc2dc\uac01\uc801 \uc608\uc2dc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubca4\ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0ac\uc804 \ud655\ub960\uc744 \uc124\uba85\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \uac1c\uc758 \uc6d0\uc774 \uacb9\uce58\ub294 \ubd80\ubd84\uc740 \ud2b9\uc815 \uc0ac\uac74 A\uc640 \uc0ac\uac74 B\uac00 \ub3d9\uc2dc\uc5d0 \ubc1c\uc0dd\ud560 \ud655\ub960\uc744 \ub098\ud0c0\ub0b4\uba70, \uac01\uac01\uc758 \uc6d0\uc740 \uc0ac\uc804 \ud655\ub960\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc0ac\uc804 \ud655\ub960\uacfc \ubca0\uc774\uc988 \uc815\ub9ac \uc2dc\uac01\ud654 \uc608\uc2dc<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import matplotlib.pyplot as plt\nfrom matplotlib_venn import venn2\n\n# Define the probabilities\nprior_A = 0.3  # P(A)\nprior_B = 0.4  # P(B)\n\n# Create Venn diagram\nplt.figure(figsize=(10, 7))\nvenn = venn2(subsets=(prior_A, prior_B, 0), set_labels=('Event A', 'Event B'))\n\n# Add labels for additional clarity\nplt.text(-0.5, 0.1, f\"P(A) = {prior_A}\", fontsize=12, color='blue')\nplt.text(0.5, 0.1, f\"P(B) = {prior_B}\", fontsize=12, color='orange')\n\n# Add title and display\nplt.title(\"Venn Diagram for Prior Probabilities P(A) and P(B)\")\nplt.show()<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ubca4\ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc0ac\uac74 A\uc640 \uc0ac\uac74 B\uc758 \uc0ac\uc804 \ud655\ub960\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \ubcf4\uc5ec\uc8fc\uba70, \ubca0\uc774\uc988 \uc815\ub9ac\uc5d0\uc11c \uc0ac\uc804 \ud655\ub960\uc774 \uc5b4\ub5bb\uac8c \uc0ac\uc6a9\ub418\ub294\uc9c0\ub97c \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc0ac\uc804 \ud655\ub960(Prior Probability)\uc740 \ud2b9\uc815 \uc0ac\uac74\uc774 \uc77c\uc5b4\ub098\uae30 \uc804\uc5d0 \uadf8 \uc0ac\uac74\uc774 \ubc1c\uc0dd\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub418\ub294 \ud655\ub960\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub294 \uae30\uc874\uc758 \uc9c0\uc2dd\uc774\ub098 \uacbd\ud5d8\uc5d0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":991,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stat","wpcat-6-id"],"_links":{"self":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=772"}],"version-history":[{"count":2,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/772\/revisions"}],"predecessor-version":[{"id":985,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/772\/revisions\/985"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/991"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}