{"id":911,"date":"2023-07-28T08:16:47","date_gmt":"2023-07-28T08:16:47","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%91%e1%85%a7%e1%86%ab%e1%84%89%e1%85%a1%e1%86%bc%e1%84%80%e1%85%aa%e1%86%ab-r\/"},"modified":"2023-07-28T08:16:47","modified_gmt":"2023-07-28T08:16:47","slug":"%e1%84%91%e1%85%a7%e1%86%ab%e1%84%89%e1%85%a1%e1%86%bc%e1%84%80%e1%85%aa%e1%86%ab-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%91%e1%85%a7%e1%86%ab%e1%84%89%e1%85%a1%e1%86%bc%e1%84%80%e1%85%aa%e1%86%ab-r\/","title":{"rendered":"R\uc5d0\uc11c \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"

<\/p>\n

\n

\ud1b5\uacc4\uc5d0\uc11c\ub294 \ub450 \ubcc0\uc218 \uac04\uc758 \uc120\ud615 \uad00\uacc4\ub97c \uce21\uc815\ud558\uae30 \uc704\ud574 Pearson \uc0c1\uad00 \uacc4\uc218\ub97c<\/a> \uc790\uc8fc \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\uadf8\ub7ec\ub098 \ub54c\ub54c\ub85c \uc6b0\ub9ac\ub294 \uc138 \ubc88\uc9f8 \ubcc0\uc218\ub97c \uc81c\uc5b4\ud558\uba74\uc11c<\/strong> \ub450 \ubcc0\uc218 \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uc774\ud574\ud558\uace0 \uc2f6\uc744 \ub54c\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc608\ub97c \ub4e4\uc5b4, \ud559\uc0dd\uc758 \ud604\uc7ac \uc218\uc5c5 \uc131\uc801\uc744 \ud1b5\uc81c\ud558\uba74\uc11c \ud559\uc0dd\uc758 \ud559\uc2b5 \uc2dc\uac04\uacfc \ucd5c\uc885 \uc2dc\ud5d8 \uc131\uc801 \uc0ac\uc774\uc758 \uc5f0\uad00\uc131\uc744 \uce21\uc815\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \uacbd\uc6b0 \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4\ub97c<\/strong> \uc0ac\uc6a9\ud558\uc5ec \uacf5\ubd80 \uc2dc\uac04\uacfc \ucd5c\uc885 \uc2dc\ud5d8 \uc131\uc801 \uac04\uc758 \uad00\uacc4\ub97c \uce21\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 R\uc5d0\uc11c \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\uc608: R\uc758 \ubd80\ubd84 \uc0c1\uad00\uad00\uacc4<\/strong><\/span><\/h2>\n

10\uba85\uc758 \ud559\uc0dd\uc5d0 \ub300\ud55c \ud604\uc7ac \uc131\uc801, \ucd1d \ud559\uc2b5 \uc2dc\uac04 \ubc0f \ucd5c\uc885 \uc2dc\ud5d8 \uc131\uc801\uc744 \ud45c\uc2dc\ud558\ub294 \ub2e4\uc74c \ub370\uc774\ud130 \ud504\ub808\uc784\uc774 \uc788\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n

 #create data frame<\/span>\ndf <- data. frame<\/span> (currentGrade = c(82, 88, 75, 74, 93, 97, 83, 90, 90, 80),\n                 hours = c(4, 3, 6, 5, 4, 5, 8, 7, 4, 6),\n                 examScore = c(88, 85, 76, 70, 92, 94, 89, 85, 90, 93))\n\n#view data frame\n<\/span>df\n\n   currentGrade hours examScore\n1 82 4 88\n2 88 3 85\n3 75 6 76\n4 74 5 70\n5 93 4 92\n6 97 5 94\n7 83 8 89\n8 90 7 85\n9 90 4 90\n10 80 6 93\n<\/strong><\/pre>\n
 library<\/span> (ppcor)<\/span>\n\n#calculate partial correlations<\/span>\npcor(df)\n\n$estimate\n             currentGrade hours examScore\ncurrentGrade 1.0000000 -0.3112341 0.7355673\nhours -0.3112341 1.0000000 0.1906258\nexamScore 0.7355673 0.1906258 1.0000000\n\n$p.value\n             currentGrade hours examScore\ncurrentGrade 0.00000000 0.4149353 0.02389896\nhours 0.41493532 0.0000000 0.62322848\nexamScore 0.02389896 0.6232285 0.00000000\n\n$statistic\n             currentGrade hours examScore\ncurrentGrade 0.0000000 -0.8664833 2.8727185\nhours -0.8664833 0.0000000 0.5137696\nexamScore 2.8727185 0.5137696 0.0000000\n\n$n\n[1] 10\n\n$gp\n[1] 1\n\n$method\n[1] \"pearson\"\n<\/strong><\/pre>\n
 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \uacf5\ubd80 \uc2dc\uac04\uacfc \ucd5c\uc885 \uc2dc\ud5d8 \uc131\uc801 \uc0ac\uc774\uc758 \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4:<\/strong><\/span><\/p>\n
 \uacf5\ubd80 \uc2dc\uac04\uacfc \ucd5c\uc885 \uc2dc\ud5d8 \uc131\uc801 \uc0ac\uc774\uc758 \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4\ub294 0.191<\/strong> \ub85c, \uc791\uc740 \uc591\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud604\uc7ac \uc131\uc801\uc774 \uc77c\uc815\ud558\ub2e4\uace0 \uac00\uc815\ud560 \ub54c, \uacf5\ubd80 \uc2dc\uac04\uc774 \ub298\uc5b4\ub0a0\uc218\ub85d \uc2dc\ud5d8 \uc810\uc218\ub3c4 \ub192\uc544\uc9c0\ub294 \uacbd\ud5a5\uc774 \uc788\ub2e4.<\/span><\/p>\n
 \uc774 \ubd80\ubd84 \uc0c1\uad00\uad00\uacc4\uc5d0 \ub300\ud55c p-\uac12\uc740 0.623<\/strong> \uc774\uba70, \uc774\ub294 \u03b1 = 0.05\uc5d0\uc11c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \ud604\uc7ac \uc131\uc801\uacfc \ucd5c\uc885 \uc2dc\ud5d8 \uc131\uc801 \uac04\uc758 \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4:<\/strong><\/span><\/p>\n
 \ud604\uc7ac \uc131\uc801\uacfc \uae30\ub9d0\uace0\uc0ac \uc131\uc801\uc758 \ud3b8\uc0c1\uad00\uc740 0.736<\/strong> \uc73c\ub85c \uac15\ud55c \uc591\uc758 \uc0c1\uad00\uad00\uacc4\ub97c \ub098\ud0c0\ub0b8\ub2e4. \uacf5\ubd80\ud55c \uc2dc\uac04\uc774 \uc77c\uc815\ud558\ub2e4\uace0 \uac00\uc815\ud560 \ub54c, \ud604\uc7ac \ub4f1\uae09\uc774 \uc62c\ub77c\uac08\uc218\ub85d \uc2dc\ud5d8 \uc810\uc218\ub3c4 \ub192\uc544\uc9c0\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \uc774 \ubd80\ubd84 \uc0c1\uad00\uad00\uacc4\uc5d0 \ub300\ud55c p-\uac12\uc740 0.024<\/strong> \uc774\uba70, \uc774\ub294 \u03b1 = 0.05\uc5d0\uc11c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud569\ub2c8\ub2e4.<\/span><\/p>\n
 \ud604\uc7ac \ud559\ub144\uacfc \uacf5\ubd80 \uc2dc\uac04 \uc0ac\uc774\uc758 \ubd80\ubd84 \uc0c1\uad00\uad00\uacc4:<\/strong><\/span><\/p>\n
 \ud604\uc7ac \uc131\uc801, \uacf5\ubd80\uc2dc\uac04, \uae30\ub9d0\uace0\uc0ac \uc131\uc801 \uac04\uc758 \ud3b8\uc0c1\uad00\uc740 -0.311<\/strong> \ub85c \uc57d\uac04\uc758 \uc74c\uc758 \uc0c1\uad00\uad00\uacc4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uae30\ub9d0\uace0\uc0ac \uc131\uc801\uc774 \uc77c\uc815\ud558\ub2e4\uace0 \uac00\uc815\ud560 \ub54c \ud604\uc7ac \uc131\uc801\uc774 \uc62c\ub77c\uac08\uc218\ub85d \uae30\ub9d0\uace0\uc0ac \uc131\uc801\uc740 \ub0ae\uc544\uc9c0\ub294 \uacbd\ud5a5\uc744 \ubcf4\uc778\ub2e4.<\/span><\/p>\n
 \uc774 \ubd80\ubd84 \uc0c1\uad00\uad00\uacc4\uc5d0 \ub300\ud55c p-\uac12<\/a> \uc740 0.415<\/strong> \uc774\uba70, \uc774\ub294 \u03b1 = 0.05\uc5d0\uc11c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \uacb0\uacfc\ub294 \ub610\ud55c \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub41c \ubc29\ubc95\uc774 “Pearson”\uc784\uc744 \uc54c\ub824\uc90d\ub2c8\ub2e4.<\/span><\/p>\n
 pcor()<\/strong> \ud568\uc218\uc5d0\uc11c \uc0c1\uad00 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ub300\uccb4 \ubc29\ubc95\uc73c\ub85c “kendall” \ub610\ub294 “pearson”\uc744 \uc9c0\uc815\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n
 \ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h2>\n
 \ub2e4\uc74c \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 R\uc5d0\uc11c \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n
 R\uc5d0\uc11c Spearman \uc21c\uc704 \uc0c1\uad00 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/a>
 R\uc5d0\uc11c \uad50\ucc28 \uc0c1\uad00\uc744 \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/a>
 R\uc5d0\uc11c \uc2ac\ub77c\uc774\ub529 \uc0c1\uad00\uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/a>
 R\uc5d0\uc11c \uc810-\uc774\uc911 \uc0c1\uad00 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\ud1b5\uacc4\uc5d0\uc11c\ub294 \ub450 \ubcc0\uc218 \uac04\uc758 \uc120\ud615 \uad00\uacc4\ub97c \uce21\uc815\ud558\uae30 \uc704\ud574 Pearson \uc0c1\uad00 \uacc4\uc218\ub97c \uc790\uc8fc \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub54c\ub54c\ub85c \uc6b0\ub9ac\ub294 \uc138 \ubc88\uc9f8 \ubcc0\uc218\ub97c \uc81c\uc5b4\ud558\uba74\uc11c \ub450 \ubcc0\uc218 \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \uc774\ud574\ud558\uace0 \uc2f6\uc744 \ub54c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud559\uc0dd\uc758 \ud604\uc7ac \uc218\uc5c5 \uc131\uc801\uc744 \ud1b5\uc81c\ud558\uba74\uc11c \ud559\uc0dd\uc758 \ud559\uc2b5 \uc2dc\uac04\uacfc \ucd5c\uc885 \uc2dc\ud5d8 \uc131\uc801 \uc0ac\uc774\uc758 \uc5f0\uad00\uc131\uc744 \uce21\uc815\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacf5\ubd80 \uc2dc\uac04\uacfc \ucd5c\uc885 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-911","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"\nR\uc5d0\uc11c \ubd80\ubd84 \uc0c1\uad00 \uad00\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95 - 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