{"id":490,"date":"2023-07-29T17:42:56","date_gmt":"2023-07-29T17:42:56","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%a1%e1%86%ab%e1%84%87%e1%85%a1%e1%86%bc%e1%84%92%e1%85%a3%e1%86%bc-anova-r\/"},"modified":"2023-07-29T17:42:56","modified_gmt":"2023-07-29T17:42:56","slug":"%e1%84%83%e1%85%a1%e1%86%ab%e1%84%87%e1%85%a1%e1%86%bc%e1%84%92%e1%85%a3%e1%86%bc-anova-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%a1%e1%86%ab%e1%84%87%e1%85%a1%e1%86%bc%e1%84%92%e1%85%a3%e1%86%bc-anova-r\/","title":{"rendered":"R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ko\/\u1103\u1161\u11ab\u1107\u1161\u11bc\u1112\u1163\u11bc-\u110b\u1161\u1102\u1169\u1107\u1161\/\" target=\"_blank\" rel=\"noopener\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc740<\/a> 3\uac1c \uc774\uc0c1\uc758 \ub3c5\ub9bd \uadf8\ub8f9 \ud3c9\uade0 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774\ub7ec\ud55c \uc720\ud615\uc758 \ud14c\uc2a4\ud2b8\ub294 <em>\uc608\uce21<\/em> \ubcc0\uc218\uac00 \ubc18\uc751 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ubd84\uc11d\ud558\uae30 \ub54c\ubb38\uc5d0 <em>\uc77c\uc6d0<\/em> \ubd84\uc0b0 \ubd84\uc11d\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ucc38\uace0<\/strong> : \ubc18\uc751 \ubcc0\uc218\uc5d0 \ub300\ud55c \ub450 \uc608\uce21 \ubcc0\uc218\uc758 \uc601\ud5a5\uc5d0 \uad00\uc2ec\uc774 \uc788\ub294 \uacbd\uc6b0 <a href=\"https:\/\/statorials.org\/ko\/\u110b\u1161\u1102\u1169\u1107\u1161-\u1105\u1161-\u110b\u1163\u11bc\u1107\u1161\u11bc\u1112\u1163\u11bc\/\" target=\"_blank\" rel=\"noopener\">\uc591\ubc29\ud5a5 \ubd84\uc0b0 \ubd84\uc11d\uc744<\/a> \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ubc30\uacbd<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\uc138 \uac00\uc9c0 \ub2e4\ub978 \uc6b4\ub3d9 \ud504\ub85c\uadf8\ub7a8\uc774 \uccb4\uc911 \uac10\ub7c9\uc5d0 \uc11c\ub85c \ub2e4\ub978 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ud655\uc778\ud558\uace0 \uc2f6\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\uac00 \uc5f0\uad6c\ud558\ub294 \uc608\uce21 \ubcc0\uc218\ub294 <em>\uc6b4\ub3d9 \ud504\ub85c\uadf8\ub7a8<\/em> \uc774\uace0 <a href=\"https:\/\/statorials.org\/ko\/\u1107\u1167\u11ab\u1109\u116e-\u1109\u1165\u11af\u1106\u1167\u11bc-\u110b\u1173\u11bc\u1103\u1161\u11b8\/\" target=\"_blank\" rel=\"noopener\">\ubc18\uc751 \ubcc0\uc218\ub294<\/a> \ud30c\uc6b4\ub4dc \ub2e8\uc704\ub85c \uce21\uc815\ub418\ub294 <em>\uccb4\uc911 \uac10\uc18c<\/em> \uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\uc5ec \uc138 \uac00\uc9c0 \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c \uc778\ud55c \uccb4\uc911 \uac10\ub7c9 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc6b0\ub9ac\ub294 \ud55c \ub2ec \ub3d9\uc548 \ud504\ub85c\uadf8\ub7a8 A, \ud504\ub85c\uadf8\ub7a8 B \ub610\ub294 \ud504\ub85c\uadf8\ub7a8 C\ub97c \ub530\ub974\ub3c4\ub85d \ubb34\uc791\uc704\ub85c 30\uba85\uc744 \ud560\ub2f9\ud558\ub294 \uc2e4\ud5d8\uc5d0 \ucc38\uc5ec\ud560 90\uba85\uc744 \ubaa8\uc9d1\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ucf54\ub4dc\ub294 \uc6b0\ub9ac\uac00 \uc791\uc5c5\ud560 \ub370\uc774\ud130 \ud504\ub808\uc784\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#make this example reproducible\n<span style=\"color: #000000;\">set.seed(0)\n<\/span>\n#create data frame\n<span style=\"color: #000000;\">data &lt;- data.frame(program = rep(c(\"A\", \"B\", \"C\"), each = 30),\n                   weight_loss = c(runif(30, 0, 3),\n                                   runif(30, 0, 5),\n                                   runif(30, 1, 7)))<\/span>\n\n#view first six rows of data frame\n<span style=\"color: #000000;\">head(data)\n<\/span>\n<span style=\"color: #000000;\"># program weight_loss\n#1 A 2.6900916\n#2 A 0.7965260\n#3 A 1.1163717\n#4 A 1.7185601\n#5 A 2.7246234\n#6 A 0.6050458<\/span>\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ub370\uc774\ud130 \ud504\ub808\uc784\uc758 \uccab \ubc88\uc9f8 \uc5f4\uc740 \uadf8 \uc0ac\ub78c\uc774 \ud55c \ub2ec \ub3d9\uc548 \ucc38\uc5ec\ud55c \ud504\ub85c\uadf8\ub7a8\uc744 \ubcf4\uc5ec\uc8fc\uace0 \ub450 \ubc88\uc9f8 \uc5f4\uc740 \ud504\ub85c\uadf8\ub7a8\uc774 \ub05d\ub0a0 \ub54c \uadf8 \uc0ac\ub78c\uc774 \uacbd\ud5d8\ud55c \ucd1d \uccb4\uc911 \uac10\uc18c\ub97c \ud30c\uc6b4\ub4dc \ub2e8\uc704\ub85c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ub370\uc774\ud130 \ud0d0\uc0c9<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d \ubaa8\ub378\uc744 \uc801\uc6a9\ud558\uae30 \uc804\uc5d0 <strong>dplyr<\/strong> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc138 \uac00\uc9c0 \ud504\ub85c\uadf8\ub7a8 \uac01\uac01\uc5d0 \ub300\ud55c \uccb4\uc911 \uac10\ub7c9\uc758 \ud3c9\uade0 \ubc0f \ud45c\uc900 \ud3b8\ucc28\ub97c \ucc3e\uc544 \ub370\uc774\ud130\ub97c \ub354 \uc798 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load <em>dplyr<\/em> package<\/span>\n<span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#find mean and standard deviation of weight loss for each treatment group<\/span>\ndata %&gt;%\n  <span style=\"color: #800080;\">group_by<\/span> (program) %&gt;%\n  <span style=\"color: #800080;\">summarize<\/span> (mean = mean(weight_loss),\n            sd = sd(weight_loss))\n\n# A tibble: 3 x 3\n# program mean sd\n#      \n#1 A 1.58 0.905\n#2 B 2.56 1.24 \n#3 C 4.13 1.57  \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ub610\ud55c \uc138 \uac00\uc9c0 \ud504\ub85c\uadf8\ub7a8 \uac01\uac01\uc5d0 \ub300\ud55c <a href=\"https:\/\/statorials.org\/ko\/\u1110\u1169\u11bc\u1100\u1168\u1112\u1161\u11a8\u110b\u1173\u11ab-\u1100\u1161\u11ab\u1103\u1161\u11ab\u1112\u1161\u1100\u1169-\u110c\u1175\u11a8\u110c\u1165\u11b8\u110c\u1165\u11a8\u110b\u1175\u11ab-\u1107\u1161\u11bc\u1107\u1165\u11b8\u110b\u1173\u1105\u1169-\u1100\u1162\u1102\u1167\u11b7\u110b\u1173\u11af-\u1109\u1165\u11af\u1106\u1167\u11bc\u1112\u1161\u1106\u1173\u1105\u1169-\u1110\u1169\u11bc\u1100\u1168\u1105\u1173\u11af-\u1103\u1165-\u1109\u1171\u11b8\u1100\u1166-\u1107\u1162\u110b\u116e\u11af-\u1109\u116e-\u110b\u1175\u11bb\u1109\u1173\u11b8\u1102\u1175\u1103\u1161.\/\" target=\"_blank\" rel=\"noopener\">\uc0c1\uc790 \uadf8\ub9bc\uc744<\/a> \ub9cc\ub4e4\uc5b4 \uac01 \ud504\ub85c\uadf8\ub7a8\uc758 \uccb4\uc911 \uac10\ub7c9 \ubd84\ud3ec\ub97c \uc2dc\uac01\ud654\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create boxplots\n<\/span>boxplot(weight_loss ~ program,\ndata = data,\nmain = \"Weight Loss Distribution by Program\",\nxlab = \"Program\",\nylab = \"Weight Loss\",\ncol = \"steelblue\",\nborder = \"black\")<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\uc774 \uc0c1\uc790 \uadf8\ub9bc\uc5d0\uc11c \ud504\ub85c\uadf8\ub7a8 C \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\uac00 \uac00\uc7a5 \ub192\uace0 \ud504\ub85c\uadf8\ub7a8 A \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\uac00 \uac00\uc7a5 \ub0ae\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub610\ud55c \uccb4\uc911 \uac10\ub7c9\uc5d0 \ub300\ud55c \ud45c\uc900 \ud3b8\ucc28(\uc0c1\uc790 \uadf8\ub9bc\uc758 &#8220;\uae38\uc774&#8221;)\uac00 \ub2e4\ub978 \ub450 \ud504\ub85c\uadf8\ub7a8\uc5d0 \ube44\ud574 \ud504\ub85c\uadf8\ub7a8 C\uc5d0\uc11c \uc57d\uac04 \ub354 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c\uc73c\ub85c, \uc774\ub7ec\ud55c \uc2dc\uac01\uc801 \ucc28\uc774\uac00 \uc2e4\uc81c\ub85c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud55c\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d \ubaa8\ub378\uc744 \ub370\uc774\ud130\uc5d0 \uc801\uc6a9\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d \ubaa8\ub378 \ud53c\ud305<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d \ubaa8\ub378\uc744 \ud53c\ud305\ud558\ub294 \uc77c\ubc18\uc801\uc778 \uad6c\ubb38\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p style=\"text-align: left;\"> <strong><span style=\"color: #000000;\">aov(\uc751\ub2f5 \ubcc0\uc218 ~ \uc608\uce21_\ubcc0\uc218, \ub370\uc774\ud130 = \ub370\uc774\ud130 \uc138\ud2b8)<\/span><\/strong><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \uc608\uc5d0\uc11c\ub294 \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec <em>\uccb4\uc911 \uc190\uc2e4\uc744<\/em> \uc751\ub2f5 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ud558\uace0 <em>\ud504\ub85c\uadf8\ub7a8\uc744<\/em> \uc608\uce21 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d \ubaa8\ub378\uc744 \ub9de\ucd9c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c <strong>summary()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378 \uacb0\uacfc\ub97c \ud45c\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#fit the one-way ANOVA model<\/span>\nmodel &lt;- aov(weight_loss ~ program, data = data)\n\n<span style=\"color: #008080;\">#view the model output<\/span>\nsummary(model)\n\n# Df Sum Sq Mean Sq F value Pr(&gt;F)    \n#program 2 98.93 49.46 30.83 7.55e-11 ***\n#Residuals 87 139.57 1.60                     \n#---\n#Significant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ubaa8\ub378 \uacb0\uacfc\uc5d0\uc11c \uc608\uce21\ubcc0\uc218 <em>\ud504\ub85c\uadf8\ub7a8\uc774<\/em> 0.05 \uc720\uc758\uc218\uc900\uc5d0\uc11c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud558\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc989, \uc138 \uac00\uc9c0 \ud504\ub85c\uadf8\ub7a8\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\ub7c9 \uac04\uc5d0\ub294 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ubaa8\ub378 \uac00\uc815 \ud655\uc778<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ub354 \ub098\uc544\uac00\uae30 \uc804\uc5d0 \ubaa8\ub378 \uacb0\uacfc\uac00 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub3c4\ub85d \ubaa8\ub378\uc758 <a href=\"https:\/\/statorials.org\/ko\/\u1103\u1161\u1102\u1169\u1107\u1161-\u1100\u1161\u1109\u1165\u11af\/\" target=\"_blank\" rel=\"noopener\">\uac00\uc815\uc774<\/a> \ucda9\uc871\ub418\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4. \ud2b9\ud788 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc5d0\uc11c\ub294 \ub2e4\uc74c\uc744 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. \ub3c5\ub9bd\uc131<\/strong> &#8211; \uac01 \uadf8\ub8f9\uc758 \uad00\ucc30\uc740 \uc11c\ub85c \ub3c5\ub9bd\uc801\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/span> \ubb34\uc791\uc704 \uc124\uacc4(\uc989, \ucc38\uac00\uc790\ub97c \uc6b4\ub3d9 \ud504\ub85c\uadf8\ub7a8\uc5d0 \ubb34\uc791\uc704\ub85c \ud560\ub2f9)\ub97c <span style=\"color: #000000;\">\uc0ac\uc6a9\ud588\uae30 \ub54c\ubb38\uc5d0<\/span> <span style=\"color: #000000;\">\uc774 \uac00\uc815\uc774 \ucda9\uc871\ub418\ubbc0\ub85c \ub108\ubb34 \uac71\uc815\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. \uc815\uaddc\uc131<\/strong> \u2013 \uc885\uc18d\ubcc0\uc218\ub294 \uc608\uce21\ubcc0\uc218\uc758 \uac01 \uc218\uc900\uc5d0 \ub300\ud574 \ub300\ub7b5 \uc815\uaddc\ubd84\ud3ec\ub97c \uac00\uc838\uc57c \ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>3. \ub4f1\ubd84\uc0b0<\/strong> &#8211; \uac01 \uadf8\ub8f9\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\uac70\ub098 \uac70\uc758 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\uc815\uaddc\uc131<\/strong> \uacfc <strong>\ub4f1\ubd84\uc0b0<\/strong> \uc758 \uac00\uc815\uc744 \ud655\uc778\ud558\ub294 \ud55c \uac00\uc9c0 \ubc29\ubc95\uc740 4\uac1c\uc758 \ubaa8\ub378 \ud655\uc778 \ud50c\ub86f\uc744 \uc0dd\uc131\ud558\ub294 <strong>plot()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud2b9\ud788 \uc6b0\ub9ac\ub294 \ub2e4\uc74c \ub450 \uac00\uc9c0 \ud50c\ub86f\uc5d0 \ud2b9\ud788 \uad00\uc2ec\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\uc794\ucc28 \ub300 \uc801\ud569<\/strong> \u2013 \uc774 \uadf8\ub798\ud504\ub294 \uc794\ucc28\uc640 \uc801\ud569\uce58 \uc0ac\uc774\uc758 \uad00\uacc4\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc774 \uadf8\ub798\ud504\ub97c \uc0ac\uc6a9\ud558\uc5ec \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \ub300\ub7b5 \uac19\uc740\uc9c0 \uc5ec\ubd80\ub97c \ub300\ub7b5\uc801\uc73c\ub85c \ud3c9\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>QQ \ud50c\ub86f<\/strong> \u2013 \uc774 \ud50c\ub86f\uc740 \uc774\ub860\uc801 \ubd84\uc704\uc218\uc5d0 \ub300\ud55c \ud45c\uc900\ud654\ub41c \uc794\ucc28\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4. \uc774 \uadf8\ub798\ud504\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc815\uaddc\uc131 \uac00\uc815\uc774 \ucda9\uc871\ub418\ub294\uc9c0 \uc5ec\ubd80\ub97c \ub300\ub7b5\uc801\uc73c\ub85c \ud3c9\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ub7ec\ud55c \ubaa8\ub378 \uac80\uc0ac \ud50c\ub86f\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">plot(model)<\/span><\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">\uc704\uc758 <em>QQ \uadf8\ub798\ud504\ub97c<\/em> \ud1b5\ud574 \uc815\uaddc\uc131 \uac00\uc815\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc0c1\uc801\uc73c\ub85c\ub294 \ud45c\uc900\ud654\ub41c \uc794\ucc28\uac00 \uadf8\ub9bc\uc758 \uc9c1\uc120 \ub300\uac01\uc120\uc744 \ub530\ub77c \ub193\uc774\uac8c \ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc704\uc758 \uadf8\ub798\ud504\uc5d0\uc11c\ub294 \uc794\ucc28\uac00 \uc120\uc5d0\uc11c \uc2dc\uc791\uacfc \ub05d\uc73c\ub85c \uc57d\uac04 \ubc97\uc5b4\ub098\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc815\uaddc\uc131 \uac00\uc815\uc774 \uc704\ubc18\ub420 \uc218 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><em>\uc794\ucc28 \ub300<\/em> \uc704 <em>\uc758 \uc870\uc815\ub41c \uadf8\ub798\ud504\ub97c<\/em> \ud1b5\ud574 \ub4f1\ubd84\uc0b0 \uac00\uc815\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc0c1\uc801\uc73c\ub85c\ub294 \uc794\ucc28\uac00 \uc801\ud569\uce58\uc758 \uac01 \uc218\uc900\uc5d0 \uade0\ub4f1\ud558\uac8c \ubd84\ud3ec\ub418\uae30\ub97c \uc6d0\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc801\ud569\uce58\uac00 \ub192\uc744\uc218\ub85d \uc794\ucc28\uac00 \ud6e8\uc52c \ub354 \ub9ce\uc774 \ud37c\uc838 \uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub294\ub370, \uc774\ub294 <a href=\"https:\/\/statorials.org\/ko\/\u1103\u1173\u11bc\u1107\u116e\u11ab\u1109\u1161\u11ab-\u1100\u1161\u110c\u1165\u11bc\/\" target=\"_blank\" rel=\"noopener\">\ub4f1\ubd84\uc0b0 \uac00\uc815\uc774<\/a> \uc704\ubc18\ub420 \uc218 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub4f1\ubd84\uc0b0\uc744 \uacf5\uc2dd\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud558\uae30 \uc704\ud574 <strong>car<\/strong> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec Levene \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load car package\n<\/span><span style=\"color: #008000;\">library<\/span> (car)\n\n<span style=\"color: #008080;\">#conduct Levene's Test for equality of variances\n<\/span>leveneTest(weight_loss ~ program, data = data)\n\n#Levene's Test for Homogeneity of Variance (center = median)\n# Df F value Pr(&gt;F)  \n#group 2 4.1716 0.01862 *\n#87                  \n#---\n#Significant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\uac80\uc815\uc758 p-\uac12\uc740 <strong>0.01862<\/strong> \uc785\ub2c8\ub2e4. \uc720\uc758 \uc218\uc900 0.05\ub97c \uc0ac\uc6a9\ud558\uba74 \uc138 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uadc0\ubb34 \uac00\uc124\uc744 \uae30\uac01\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc720\uc758\uc218\uc900 0.01\uc744 \uc0ac\uc6a9\ud558\uba74 \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc815\uaddc\uc131\uacfc \ub4f1\ubd84\uc0b0\uc5d0 \ub300\ud55c \uac00\uc815\uc774 \ucda9\uc871\ub418\ub3c4\ub85d \ub370\uc774\ud130\ub97c \ubcc0\ud658\ud558\ub824\uace0 \uc2dc\ub3c4\ud560 \uc218 \uc788\uc9c0\ub9cc \uc9c0\uae08\uc740 \uc774\uc5d0 \ub300\ud574 \ub108\ubb34 \uac71\uc815\ud558\uc9c0 \uc54a\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\uce58\ub8cc \ucc28\uc774\uc810 \ubd84\uc11d<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ubaa8\ub378 \uac00\uc815\uc774 \ucda9\uc871\ub418\ub294\uc9c0(\ub610\ub294 \ud569\ub9ac\uc801\uc73c\ub85c \ucda9\uc871\ub418\ub294\uc9c0) \ud655\uc778\ub418\uba74 <a href=\"https:\/\/statorials.org\/ko\/\u1110\u1169\u11bc\u1100\u1168\u1112\u1161\u11a8\u110b\u1173\u11ab-\u1100\u1161\u11ab\u1103\u1161\u11ab\u1112\u1161\u1100\u1169-\u110c\u1175\u11a8\u110c\u1165\u11b8\u110c\u1165\u11a8\u110b\u1175\u11ab-\u1107\u1161\u11bc\u1107\u1165\u11b8\u110b\u1173\u1105\u1169-\u1100\u1162\u1102\u1167\u11b7\u110b\u1173\u11af-\u1109\u1165\u11af\u1106\u1167\u11bc\u1112\u1161\u1106\u1173\u1105\u1169-\u1110\u1169\u11bc\u1100\u1168\u1105\u1173\u11af-\u1103\u1165-\u1109\u1171\u11b8\u1100\u1166-\u1107\u1162\u110b\u116e\u11af-\u1109\u116e-\u110b\u1175\u11bb\u1109\u1173\u11b8\u1102\u1175\u1103\u1161.\/\" target=\"_blank\" rel=\"noopener\">\uc0ac\ud6c4 \ud14c\uc2a4\ud2b8\ub97c<\/a> \uc218\ud589\ud558\uc5ec \uc815\ud655\ud788 \uc5b4\ub5a4 \uce58\ub8cc \uadf8\ub8f9\uc774 \uc11c\ub85c \ub2e4\ub978\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc0ac\ud6c4 \ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub294 <strong>TukeyHSD()<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc911 \ube44\uad50\ub97c \uc704\ud55c Tukey \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#perform Tukey's Test for multiple comparisons\n<\/span>TukeyHSD(model, conf.level=.95) \n\n#Tukey multiple comparisons of means\n# 95% family-wise confidence level\n#\n#Fit: aov(formula = weight_loss ~ program, data = data)\n#\n#$program\n# diff lwr upr p adj\n#BA 0.9777414 0.1979466 1.757536 0.0100545\n#CA 2.5454024 1.7656076 3.325197 0.0000000\n#CB 1.5676610 0.7878662 2.347456 0.0000199\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">p-\uac12\uc740 \uac01 \ud504\ub85c\uadf8\ub7a8 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uadf8 \uacb0\uacfc, \uac01 \ud504\ub85c\uadf8\ub7a8\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\ub7c9\uc740 \uc720\uc758\uc218\uc900 0.05\uc5d0\uc11c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub610\ud55c R\uc758 <strong>plot(TukeyHSD())<\/strong> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec Tukey \ud14c\uc2a4\ud2b8\uc758 \uacb0\uacfc\uc778 95% \uc2e0\ub8b0 \uad6c\uac04\uc744 \uc2dc\uac01\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create confidence interval for each comparison\n<\/span>plot(TukeyHSD(model, conf.level=.95), las = 2)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\uc2e0\ub8b0 \uad6c\uac04\uc758 \uacb0\uacfc\ub294 \uac00\uc124 \uac80\uc815 \uacb0\uacfc\uc640 \uc77c\uce58\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud2b9\ud788, \ud504\ub85c\uadf8\ub7a8 \uac04\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\ub7c9\uc5d0 \ub300\ud55c \uc2e0\ub8b0\uad6c\uac04 \uc911 \uc5b4\ub290 \uac83\ub3c4 <em>0<\/em> \uac12\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uc9c0 \uc54a\uc74c\uc744 \uc54c \uc218 \uc788\ub294\ub370, \uc774\ub294 \uc138 \ud504\ub85c\uadf8\ub7a8 \uac04\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\ub7c9\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774\ub294 <a href=\"https:\/\/statorials.org\/ko\/\u1100\u1161\u1109\u1165\u11af-\u1100\u1165\u11b7\u110c\u1165\u11bc-1\/\" target=\"_blank\" rel=\"noopener\">\uac00\uc124 \uac80\uc815<\/a> \uc5d0 \ub300\ud55c \ubaa8\ub4e0 <a href=\"https:\/\/statorials.org\/ko\/p-\u1100\u1161\u11b9-\u1110\u1169\u11bc\u1100\u1168\u110c\u1165\u11a8-\u110b\u1172\u110b\u1174\u1109\u1165\u11bc\/\" target=\"_blank\" rel=\"noopener\">p-\uac12\uc774<\/a> 0.05 \ubbf8\ub9cc\uc778 \uac83\uacfc \uc77c\uce58\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d \uacb0\uacfc \ubcf4\uace0<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">\ub9c8\uc9c0\ub9c9\uc73c\ub85c \uacb0\uacfc\ub97c \uc694\uc57d\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc758 \uacb0\uacfc\ub97c \ubcf4\uace0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc6b4\ub3d9 \ud504\ub85c\uadf8\ub7a8\uc758 \ud6a8\uacfc\ub97c \uc870\uc0ac\ud558\uae30 \uc704\ud574 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud588\uc2b5\ub2c8\ub2e4. <em>&nbsp;<\/em> \uccb4\uc911 \uac10\ub7c9 <em>(\ud30c\uc6b4\ub4dc\ub85c \uce21\uc815).<\/em> \uccb4\uc911 \uac10\ub7c9\uc5d0 \ub300\ud55c \uc138 \uac00\uc9c0 \ud504\ub85c\uadf8\ub7a8\uc758 \ud6a8\uacfc \uac04\uc5d0\ub294 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\uc5c8\uc2b5\ub2c8\ub2e4(F(2, 87) = 30.83, p = 7.55e-11).<\/span> <span style=\"color: #000000;\">\uc0ac\ud6c4 Tukey\uc758 HSD \ud14c\uc2a4\ud2b8\uac00 \uc218\ud589\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud504\ub85c\uadf8\ub7a8 C \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\ub294 \ud504\ub85c\uadf8\ub7a8 B \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\ubcf4\ub2e4 \ud6e8\uc52c \ud07d\ub2c8\ub2e4(p &lt; 0.0001).<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud504\ub85c\uadf8\ub7a8 C \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\ub294 \ud504\ub85c\uadf8\ub7a8 A \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\ubcf4\ub2e4 \ud6e8\uc52c \ud07d\ub2c8\ub2e4(p &lt; 0.0001).<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub610\ud55c \ud504\ub85c\uadf8\ub7a8 B \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\ub294 \ud504\ub85c\uadf8\ub7a8 A \ucc38\uac00\uc790\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\ubcf4\ub2e4 \ud6e8\uc52c \ucef8\uc2b5\ub2c8\ub2e4(p = 0.01).<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \uc790\uc2b5\uc11c\uc5d0\uc11c\ub294 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc5d0 \ub300\ud55c \ucd94\uac00 \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/ko\/\u1103\u1161\u11ab\u1107\u1161\u11bc\u1112\u1163\u11bc-\u110b\u1161\u1102\u1169\u1107\u1161\/\" target=\"_blank\" rel=\"noopener\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d \uc18c\uac1c<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/\u1109\u1161\u1112\u116e-anova-\u1110\u1166\u1109\u1173\u1110\u1173\/\" target=\"_blank\" rel=\"noopener\">ANOVA\ub97c \ud1b5\ud55c \uc0ac\ud6c4 \ud14c\uc2a4\ud2b8 \uc0ac\uc6a9 \uac00\uc774\ub4dc<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/anova-\u1100\u1167\u11af\u1100\u116a\u1105\u1173\u11af-\u1107\u1169\u1100\u1169\u1112\u1161\u1102\u1173\u11ab-\u1107\u1161\u11bc\u1107\u1165\u11b8\/\" target=\"_blank\" rel=\"noopener\">\uc804\uccb4 \uac00\uc774\ub4dc: ANOVA \uacb0\uacfc \ubcf4\uace0 \ubc29\ubc95<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc740 3\uac1c \uc774\uc0c1\uc758 \ub3c5\ub9bd \uadf8\ub8f9 \ud3c9\uade0 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc720\ud615\uc758 \ud14c\uc2a4\ud2b8\ub294 \uc608\uce21 \ubcc0\uc218\uac00 \ubc18\uc751 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ubd84\uc11d\ud558\uae30 \ub54c\ubb38\uc5d0 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \ucc38\uace0 : \ubc18\uc751 \ubcc0\uc218\uc5d0 \ub300\ud55c \ub450 \uc608\uce21 \ubcc0\uc218\uc758 \uc601\ud5a5\uc5d0 \uad00\uc2ec\uc774 \uc788\ub294 \uacbd\uc6b0 \uc591\ubc29\ud5a5 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 [&hellip;]<\/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-490","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95 - Statorials<\/title>\n<meta name=\"description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 \uc804\uccb4 \uc608\uc81c\ub97c \ud3ec\ud568\ud558\uc5ec R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/ko\/\u1103\u1161\u11ab\u1107\u1161\u11bc\u1112\u1163\u11bc-anova-r\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95 - 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