{"id":1712,"date":"2024-10-29T20:26:20","date_gmt":"2024-10-29T20:26:20","guid":{"rendered":"http:\/\/www.statdc.com\/?p=1712"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"fdr-q-value-p-value","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=1712","title":{"rendered":"FDR, Q-value, p-value"},"content":{"rendered":"\n

Q-value \ub294 \ub2e4\uc911 \uac00\uc124 \uac80\uc815\uc5d0\uc11c False Discovery Rate (FDR, \uac70\uc9d3 \ubc1c\uacac\ub960) \uc744 \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \ud1b5\uacc4\uc801 \uc9c0\ud45c\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c p-value\uac00 \ub2e8\uc77c \uac00\uc124\uc5d0 \ub300\ud55c \uc720\uc758\uc131\uc744 \ud3c9\uac00\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ubc18\uba74, q-value\ub294 \ub2e4\uc911 \ube44\uad50 \ubb38\uc81c\ub97c \uace0\ub824\ud558\uc5ec \ub354 \uc2e0\ub8b0\uc131 \uc788\ub294 \uacb0\ub860\uc744 \ub3c4\ucd9c\ud558\ub294 \ub370 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/span>Q-value\uc758 \uc8fc\uc694 \uac1c\ub150<\/span><\/h3>\n\n\n\n

1. False Discovery Rate (FDR):<\/p>\n\n\n\n

– \uc5ec\ub7ec \uac00\uc124 \uac80\uc815\uc744 \ub3d9\uc2dc\uc5d0 \uc218\ud589\ud560 \ub54c, \uc720\uc758\ud558\uac8c \ubcf4\uc774\ub294 \uacb0\uacfc \uc911 \uac70\uc9d3 \uc591\uc131(false positive) \ube44\uc728\uc744 \uc81c\uc5b4\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.
– \uc608\ub97c \ub4e4\uc5b4, 100\uac1c\uc758 \uac00\uc124 \uc911 10\uac1c\uac00 \uc720\uc758\ud558\ub2e4\uace0 \ub098\uc654\uc744 \ub54c \uadf8\uc911 \uc77c\ubd80\ub294 \uc6b0\uc5f0\uc73c\ub85c \uc720\uc758\ud558\uac8c \ub098\uc654\uc744 \uac00\ub2a5\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub54c FDR\uc740 \uc774\ub7f0 \uc624\ub958\ub97c \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud55c \ucc99\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

2. p-value\uc640 q-value\uc758 \ucc28\uc774:<\/p>\n\n\n\n

– p-value : \ud2b9\uc815 \uac00\uc124\uc774 \uadc0\ubb34\uac00\uc124 \ud558\uc5d0\uc11c \uc6b0\uc5f0\ud788 \uad00\uce21\ub420 \ud655\ub960.
– q-value : \ub2e4\uc911 \ube44\uad50\uc5d0\uc11c \ud574\ub2f9 \uac80\uc815\uc774 \uc720\uc758\ud558\uac8c \ub098\uc654\uc744 \ub54c \uadf8\uac83\uc774 \uac70\uc9d3\uc77c \ud655\ub960 (False Discovery)\uc785\ub2c8\ub2e4. \uc989, \uc720\uc758\ud55c \uacb0\uacfc \uc911 \uac70\uc9d3\uc77c \uac00\ub2a5\uc131\uc744 \ucd94\uc815\ud558\ub294 \uc9c0\ud45c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/span>Q-value \uacc4\uc0b0 \uacfc\uc815 \uc694\uc57d<\/span><\/h3>\n\n\n\n

1. \ubaa8\ub4e0 \uac80\uc815\uc5d0 \ub300\ud574 p-value\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.
2. FDR \ubcf4\uc815 \ubc29\ubc95(\uc608: Benjamini-Hochberg \ubc29\ubc95)\uc744 \uc801\uc6a9\ud574 p-value\ub97c q-value\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.
3. \ud2b9\uc815 q-value \uc784\uacc4\uac12(\uc608: 0.05)\uc744 \uc815\ud558\uace0, \uc774\ub97c \uae30\uc900\uc73c\ub85c \uc720\uc758\ud55c \uacb0\uacfc\ub97c \ud310\ubcc4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/span>Q-value\uc758 \ud65c\uc6a9<\/span><\/h3>\n\n\n\n

– \uc720\uc804\uc790 \uc5f0\uad6c, \uc0dd\ubb3c\uc815\ubcf4\ud559 : \uc218\ucc9c \uac1c\uc758 \uc720\uc804\uc790 \uc911 \uc758\ubbf8 \uc788\ub294 \ubcc0\ud654\ub97c \ucc3e\uc744 \ub54c.
– \uc784\uc0c1 \uc5f0\uad6c : \uc5ec\ub7ec \uc57d\ubb3c\uc774\ub098 \uce58\ub8cc\ubc95\uc758 \ud6a8\uacfc\ub97c \ub3d9\uc2dc\uc5d0 \ud3c9\uac00\ud560 \ub54c.
– \uc2ec\ub9ac\ud559, \uacbd\uc81c\ud559 \ub4f1 \ud1b5\uacc4 \ubd84\uc11d : \uc5ec\ub7ec \uac00\uc124\uc744 \ub3d9\uc2dc\uc5d0 \uac80\uc815\ud560 \ub54c FDR\uc744 \uc81c\uc5b4\ud558\ub294 \uac83\uc774 \uc911\uc694\ud560 \ub54c.<\/p>\n\n\n\n

\uc608\uc2dc<\/p>\n\n\n\n

\ub9cc\uc57d \uc5f0\uad6c\uc5d0\uc11c 50\uac1c\uc758 \uac00\uc124\uc744 \uac80\uc815\ud55c \uacb0\uacfc \uc5ec\ub7ec p-value\uac00 0.05 \uc774\ud558\ub85c \ub098\uc654\ub354\ub77c\ub3c4, q-value\ub85c \ubcf4\uc815\ud558\uba74 \uc77c\ubd80\ub294 \uc720\uc758\ud558\uc9c0 \uc54a\ub2e4\uace0 \ud310\uc815\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. q-value\uac00 0.05 \uc774\ud558\ub77c\ub294 \uac83\uc740 \uadf8 \uacb0\uacfc\uac00 \uc720\uc758\ud574 \ubcf4\uc77c \ub54c, \uadf8\uc911 5%\uac00 \uac70\uc9d3\uc77c \uac00\ub2a5\uc131\uc774 \uc788\ub2e4 \ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/span>Q-value\uc758 \uc7a5\uc810<\/span><\/h3>\n\n\n\n

– \ub2e4\uc911 \ube44\uad50 \ubb38\uc81c\ub85c \uc778\ud55c \uac70\uc9d3 \uc591\uc131 \uc624\ub958\ub97c \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
– \ubcf4\uc218\uc801\uc778 \ubc29\ubc95(p-value \ubcf4\uc815)\ubcf4\ub2e4 \ub354 \uc720\uc5f0\ud558\uac8c \uacb0\uacfc\ub97c \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

q-value\ub294 \ud2b9\ud788 \ub9ce\uc740 \uac00\uc124\uc744 \ub3d9\uc2dc\uc5d0 \uac80\uc815\ud558\ub294 \ud604\ub300 \uc5f0\uad6c(\uc720\uc804\uc790 \ubd84\uc11d, \uba38\uc2e0\ub7ec\ub2dd \ub4f1)\uc5d0\uc11c \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Q-value \ub294 \ub2e4\uc911 \uac00\uc124 \uac80\uc815\uc5d0\uc11c False Discovery Rate (FDR, \uac70\uc9d3 \ubc1c\uacac\ub960) \uc744 \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \ud1b5\uacc4\uc801 \uc9c0\ud45c\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c…<\/p>\n","protected":false},"author":1,"featured_media":1713,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1712","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\/1712","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=1712"}],"version-history":[{"count":5,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1712\/revisions"}],"predecessor-version":[{"id":1763,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/1712\/revisions\/1763"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1713"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1712"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1712"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}