{"id":766,"date":"2024-07-11T08:21:44","date_gmt":"2024-07-11T08:21:44","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=766"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%eb%93%b1%eb%b6%84%ec%82%b0-%ea%b2%80%ec%a0%95","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=766","title":{"rendered":"\ub4f1\ubd84\uc0b0 \uac80\uc815(Equal-variance test)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\ub4f1\ubd84\uc0b0 \uac80\uc815\uc740 \uc5ec\ub7ec \uadf8\ub8f9\uc758 \ub370\uc774\ud130\uac00 \ub3d9\uc77c\ud55c \ubd84\uc0b0(\ubcc0\ub3d9\uc131)\uc744 \uac00\uc9c0\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\uae30 \uc704\ud55c \ud1b5\uacc4\uc801 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \uac80\uc815\uc740 \uc5ec\ub7ec \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \uc720\uc758\ubbf8\ud558\uac8c \ub2e4\ub978\uc9c0 \ud655\uc778\ud558\uc5ec, \uc8fc\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uc0c1\ud669\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>ANOVA(\ubd84\uc0b0 \ubd84\uc11d)<\/strong>: ANOVA\ub97c \uc218\ud589\ud558\uae30 \uc804\uc5d0, \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uac00\uc815\uc774 \ud544\uc694\ud55c \uacbd\uc6b0 \ub4f1\ubd84\uc0b0 \uac80\uc815\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub450 \uadf8\ub8f9\uc758 \ud3c9\uade0 \ube44\uad50(t-\uac80\uc815)<\/strong>: \ub450 \uadf8\ub8f9\uc758 \ud3c9\uade0\uc744 \ube44\uad50\ud560 \ub54c, \ub450 \uadf8\ub8f9\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\ub4f1\ubd84\uc0b0 \uac80\uc815\uc758 \ub300\ud45c\uc801\uc778 \ubc29\ubc95\uc73c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uac83\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bartlett&#8217;s Test(\ubc14\ud2c0\ub81b \uac80\uc815):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac00\uc815: \uac01 \uadf8\ub8f9\uc758 \ub370\uc774\ud130\uac00 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub985\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ubc14\ud2c0\ub81b \uac80\uc815\uc740 \uc5ec\ub7ec \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud55c\uc9c0 \uac80\uc815\ud558\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc815\uaddc\uc131\uc744 \uac00\uc815\ud558\uae30 \ub54c\ubb38\uc5d0 \uc815\uaddc\uc131\uc744 \ub9cc\uc871\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \uc2e0\ub8b0\ub3c4\uac00 \ub5a8\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Levene&#8217;s Test(\ub808\ube48 \uac80\uc815):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac00\uc815: \uc815\uaddc\uc131\uc744 \uac00\uc815\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub808\ube48 \uac80\uc815\uc740 \uc815\uaddc\uc131\uc744 \uac00\uc815\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0, \ubc14\ud2c0\ub81b \uac80\uc815\ubcf4\ub2e4 \ub354 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud2b9\ud788 \ub370\uc774\ud130\uac00 \uc815\uaddc\ubd84\ud3ec\ub97c \ub530\ub974\uc9c0 \uc54a\ub294 \uacbd\uc6b0\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fligner-Killeen Test(\ud50c\ub9ac\uadf8\ub108-\ud0ac\ub9b0 \uac80\uc815):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac00\uc815: \uc815\uaddc\uc131\uc744 \uac00\uc815\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub808\ube48 \uac80\uc815\uacfc \ube44\uc2b7\ud558\uc9c0\ub9cc, \ub354 \uac15\ub825\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. \ud2b9\ud788 \ub370\uc774\ud130\uac00 \uc815\uaddc\ubd84\ud3ec\ub97c \ub530\ub974\uc9c0 \uc54a\uac70\ub098, \uc774\uc0c1\uce58\uc5d0 \ubbfc\uac10\ud55c \uacbd\uc6b0\uc5d0 \uc720\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%A0%9C_%EA%B7%B8%EB%9E%98%ED%94%84%EB%A5%BC_%ED%86%B5%ED%95%9C_%EB%93%B1%EB%B6%84%EC%82%B0_%EA%B2%80%EC%A0%95\"><\/span>\uc608\uc81c: \uadf8\ub798\ud504\ub97c \ud1b5\ud55c \ub4f1\ubd84\uc0b0 \uac80\uc815<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"658\" src=\"http:\/\/www.ohsumin.com\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7-1024x658.png\" alt=\"\" class=\"wp-image-915\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7-1024x658.png 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7-300x193.png 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7-768x493.png 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7-1536x987.png 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7-1320x848.png 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7-920x591.png 920w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/output-7.png 1714w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \uadf8\ub9bc\uc740 \uc138 \uadf8\ub8f9\uc758 \ub370\uc774\ud130\ub97c \ub098\ud0c0\ub0b8 \ubc15\uc2a4\ud50c\ub86f\uc785\ub2c8\ub2e4. \uac01 \uadf8\ub8f9\uc740 \uc11c\ub85c \ub2e4\ub978 \ubd84\uc0b0\uc744 \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \ub4f1\ubd84\uc0b0 \uac80\uc815\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Group 1<\/strong>: \ubd84\uc0b0\uc774 \uc791\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Group 2<\/strong>: \uc911\uac04 \uc815\ub3c4\uc758 \ubd84\uc0b0\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Group 3<\/strong>: \uac00\uc7a5 \ud070 \ubd84\uc0b0\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Levene&#8217;s test\uc758 \uacb0\uacfc\ub85c, \uac80\uc815 \ud1b5\uacc4\ub7c9\uacfc p-value\uac00 \uadf8\ub9bc\uc5d0 \ud45c\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. p-value\uac00 \uc791\uc744\uc218\ub85d \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \uc720\uc758\ubbf8\ud558\uac8c \ub2e4\ub974\ub2e4\ub294 \uacb0\ub860\uc744 \ub0b4\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%A0%9C_Python%EC%9D%84_%EC%9D%B4%EC%9A%A9%ED%95%9C_%EB%93%B1%EB%B6%84%EC%82%B0_%EA%B2%80%EC%A0%95\"><\/span>\uc608\uc81c: Python\uc744 \uc774\uc6a9\ud55c \ub4f1\ubd84\uc0b0 \uac80\uc815<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c\ub294 Python\uc758 <code>scipy<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec \ub808\ube48 \uac80\uc815\uc744 \uc218\ud589\ud558\ub294 \uc608\uc81c\ub97c \ubcf4\uc5ec\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import scipy.stats as stats\n\n# \uc608\uc2dc \ub370\uc774\ud130\ngroup1 = &#91;12, 7, 3, 6, 8, 5, 7, 9]\ngroup2 = &#91;15, 10, 10, 14, 13, 12, 15, 11]\ngroup3 = &#91;8, 9, 7, 6, 8, 7, 5, 6]\n\n# Levene \uac80\uc815\nstat, p_value = stats.levene(group1, group2, group3)\n\nprint(f\"Levene's test statistic: {stat}\")\nprint(f\"p-value: {p_value}\")\n\nif p_value &lt; 0.05:\n    print(\"\uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \uc720\uc758\ubbf8\ud558\uac8c \ub2e4\ub985\ub2c8\ub2e4.\")\nelse:\n    print(\"\uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \uc720\uc758\ubbf8\ud558\uac8c \ub2e4\ub974\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%95%B4%EC%84%9D\"><\/span>\ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>p-value<\/code>\uac00 0.05\ubcf4\ub2e4 \uc791\uc73c\uba74, \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \uc720\uc758\ubbf8\ud558\uac8c \ub2e4\ub974\ub2e4\ub294 \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><code>p-value<\/code>\uac00 0.05\ubcf4\ub2e4 \ud06c\uba74, \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc640 \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \ub4f1\ubd84\uc0b0 \uac80\uc815\uc744 \uc218\ud589\ud558\uc5ec, \ub370\uc774\ud130 \ubd84\uc11d\uc758 \ub2e4\uc74c \ub2e8\uacc4\ub97c \uc9c4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub4f1\ubd84\uc0b0 \uac80\uc815\uc740 \uc5ec\ub7ec \uadf8\ub8f9\uc758 \ub370\uc774\ud130\uac00 \ub3d9\uc77c\ud55c \ubd84\uc0b0(\ubcc0\ub3d9\uc131)\uc744 \uac00\uc9c0\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\uae30 \uc704\ud55c \ud1b5\uacc4\uc801 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \uac80\uc815\uc740 \uc5ec\ub7ec \uadf8\ub8f9 \uac04\uc758&#8230;<\/p>\n","protected":false},"author":1,"featured_media":917,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-766","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\/766","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=766"}],"version-history":[{"count":2,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/766\/revisions"}],"predecessor-version":[{"id":916,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/766\/revisions\/916"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/917"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=766"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}