{"id":543,"date":"2023-07-29T13:35:37","date_gmt":"2023-07-29T13:35:37","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%a1%e1%84%82%e1%85%a9%e1%84%87%e1%85%a1-%e1%84%80%e1%85%a1%e1%84%89%e1%85%a5%e1%86%af\/"},"modified":"2023-07-29T13:35:37","modified_gmt":"2023-07-29T13:35:37","slug":"%e1%84%83%e1%85%a1%e1%84%82%e1%85%a9%e1%84%87%e1%85%a1-%e1%84%80%e1%85%a1%e1%84%89%e1%85%a5%e1%86%af","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%a1%e1%84%82%e1%85%a9%e1%84%87%e1%85%a1-%e1%84%80%e1%85%a1%e1%84%89%e1%85%a5%e1%86%af\/","title":{"rendered":"Anova \uac00\uc815\uc744 \ud655\uc778\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d <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\">(one-way ANOVA)\uc740<\/a> \uc138 \uac1c \uc774\uc0c1\uc758 \ub3c5\ub9bd \uadf8\ub8f9\uc758 \ud3c9\uade0 \uac04\uc5d0 \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ud1b5\uacc4 \ud14c\uc2a4\ud2b8\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c\uc740 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0\uc758 \uc608\uc785\ub2c8\ub2e4.<\/span><\/p>\n<blockquote>\n<p> <span style=\"color: #000000;\">90\uba85\uc758 \ud559\uc0dd\uc73c\ub85c \uad6c\uc131\ub41c \ud559\uae09\uc744 \ubb34\uc791\uc704\ub85c 30\uba85\uc758 \uc138 \uadf8\ub8f9\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4. \uac01 \uadf8\ub8f9\uc740 \ud55c \ub2ec \ub3d9\uc548 \uc11c\ub85c \ub2e4\ub978 \ud559\uc2b5 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2dc\ud5d8\uc744 \uc900\ube44\ud569\ub2c8\ub2e4. \uc6d4\ub9d0\uc5d0\ub294 \ubaa8\ub4e0 \ud559\uc0dd\uc774 \ub3d9\uc77c\ud55c \uc2dc\ud5d8\uc744 \uce58\ub985\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud559\uc2b5 \ubc29\ubc95\uc774 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc5ec\ubd80\ub97c \uc54c\uace0 \uc2f6\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c <strong>\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744<\/strong> \uc218\ud589\ud558\uc5ec \uc138 \uadf8\ub8f9\uc758 \ud3c9\uade0 \uc810\uc218 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/span><\/p>\n<\/blockquote>\n<p> <span style=\"color: #000000;\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub824\uba74 \uba3c\uc800 \uc138 \uac00\uc9c0 \uac00\uc815\uc774 \ucda9\uc871\ub418\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. \uc815\uaddc\uc131<\/strong> &#8211; \uac01 \ud45c\ubcf8\uc740 \uc815\uaddc \ubd84\ud3ec \ubaa8\uc9d1\ub2e8\uc5d0\uc11c \ucd94\ucd9c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. \ub4f1\ubd84\uc0b0<\/strong> &#8211; \ud45c\ubcf8\uc744 \ucd94\ucd9c\ud558\ub294 \ubaa8\uc9d1\ub2e8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>3. \ub3c5\ub9bd\uc131<\/strong> \u2013 \uac01 \uadf8\ub8f9 \ub0b4\uc758 \uad00\uce21\uce58\ub294 \uc11c\ub85c \ub3c5\ub9bd\uc801\uc774\uba70 \uadf8\ub8f9 \ub0b4\uc758 \uad00\uce21\uce58\ub294<\/span> <span style=\"color: #000000;\">\ubb34\uc791\uc704 \uc0d8\ud50c\ub9c1\uc744 \ud1b5\ud574 \uc5bb\uc5b4\uc84c\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774\ub7ec\ud55c \uac00\uc815\uc774 \ucda9\uc871\ub418\uc9c0 \uc54a\uc73c\uba74 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc758 \uacb0\uacfc\uac00 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \uae00\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uac00\uc815\uc744 \ud655\uc778\ud558\ub294 \ubc29\ubc95\uacfc \uadf8 \uc911 \ud558\ub098\ub77c\ub3c4 \uc704\ubc18\ub418\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uac00\uc815 #1: \uc815\uaddc\uc131<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">ANOVA\ub294 \uac01 \ud45c\ubcf8\uc774 \uc815\uaddc \ubd84\ud3ec \ubaa8\uc9d1\ub2e8\uc5d0\uc11c \ucd94\ucd9c\ub418\uc5c8\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">R\uc5d0\uc11c \uc774 \uac00\uc124\uc744 \ud655\uc778\ud558\ub294 \ubc29\ubc95:<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">\uc774 \uac00\uc124\uc744 \uac80\uc99d\ud558\uae30 \uc704\ud574 \ub450 \uac00\uc9c0 \uc811\uadfc \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\ud788\uc2a4\ud1a0\uadf8\ub7a8\uc774\ub098 <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\">QQ \ud50c\ub86f\uc744<\/a> \uc0ac\uc6a9\ud558\uc5ec \uac00\uc124\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \uac80\uc99d\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Shapiro-Wilk, Kolmogorov-Smironov, Jarque-Barre \ub610\ub294 D&#8217;Agostino-Pearson\uacfc \uac19\uc740 \uacf5\uc2dd \ud1b5\uacc4 \ud14c\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac00\uc124\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uc608\ub97c \ub4e4\uc5b4, \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 \uccb4\uc911 \uac10\ub7c9 \uc2e4\ud5d8\uc5d0 \ucc38\uac00\ud558\uae30 \uc704\ud574 90\uba85\uc744 \ubaa8\uc9d1\ud55c\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \ud504\ub85c\uadf8\ub7a8\uc774 \uccb4\uc911 \uac10\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. \ub2e4\uc74c \ucf54\ub4dc\ub294 \ud788\uc2a4\ud1a0\uadf8\ub7a8, QQ \ud50c\ub86f \ubc0f Shapiro-Wilk \ud14c\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc815\uaddc\uc131 \uac00\uc815\uc744 \ud655\uc778\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. ANOVA \ubaa8\ub378\uc744 \ud53c\ud305\ud569\ub2c8\ub2e4.<\/strong><\/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. <span style=\"color: #3366ff;\">frame<\/span> (program = rep(c(\" <span style=\"color: #ff0000;\">A<\/span> \", \" <span style=\"color: #ff0000;\">B<\/span> \", \" <span style=\"color: #ff0000;\">C<\/span> \"), each = <span style=\"color: #008000;\">30<\/span> ),\n                   weight_loss = c(runif(30, 0, 3),\n                                   runif(30, 0, 5),\n                                   runif(30, 1, 7)))<\/span>\n\n#fit the one-way ANOVA model\n<span style=\"color: #000000;\">model &lt;- aov(weight_loss ~ program, data = data)<\/span>\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>2. \ubc18\uc751 \uac12\uc758 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.<\/strong><\/span> <\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create histogram<\/span>\nhist(data$weight_loss)\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-4758 size-full\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/histogramme.jpg\" alt=\"\" width=\"541\" height=\"392\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">\ubd84\ud3ec\ub294 \uc815\uaddc \ubd84\ud3ec\ucc98\ub7fc \ubcf4\uc774\uc9c0 \uc54a\uc9c0\ub9cc(\uc608: &#8220;\uc885&#8221; \ubaa8\uc591\uc774 \uc544\ub2d8) \ubd84\ud3ec\ub97c \ub2e4\uc2dc \uc0b4\ud3b4\ubcf4\uae30 \uc704\ud574 QQ \ud50c\ub86f\uc744 \ub9cc\ub4e4 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>3. \uc794\ucc28\uc758 QQ \ud50c\ub86f \uc0dd\uc131<\/strong><\/span> <\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create QQ plot to compare this dataset to a theoretical normal distribution<\/span>\nqqnorm(model$residuals)\n\n<span style=\"color: #008080;\">#add straight diagonal line to plot\n<\/span>qqline(model$residuals)<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-4760 size-full\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/qqplot.jpg\" alt=\"R\uc758 Q-Q \ud50c\ub86f \uc608\" width=\"557\" height=\"394\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">\uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\uac00 QQ \ud50c\ub86f\uc5d0\uc11c \uc9c1\uc120 \ub300\uac01\uc120\uc744 \ub530\ub77c \uc788\ub294 \uacbd\uc6b0 \ub370\uc774\ud130 \uc138\ud2b8\ub294 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub97c \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub05d\uc744 \ub530\ub77c \uc120\uc5d0\uc11c \ub208\uc5d0 \ub744\ub294 \ud3b8\ucc28\uac00 \uc788\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub294\ub370, \uc774\ub294 \ub370\uc774\ud130\uac00 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub974\uc9c0 \uc54a\uc74c\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>4. \uc815\uaddc\uc131\uc744 \ud655\uc778\ud558\uae30 \uc704\ud574 Shapiro-Wilk \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/strong><\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#Conduct Shapiro-Wilk Test for normality<\/span>\nshapiro. <span style=\"color: #3366ff;\">test<\/span> (data$weight_loss)\n\n#Shapiro-Wilk normality test\n#\n#data: data$weight_loss\n#W = 0.9587, p-value = 0.005999\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Shapiro-Wilk \uac80\uc815\uc740 \ud45c\ubcf8\uc774 \uc815\uaddc \ubd84\ud3ec\uc5d0\uc11c \ub098\uc624\uc9c0 \uc54a\ub294\ub2e4\ub294 \ub300\ub9bd \uac00\uc124\uc5d0 \ub300\ud574 \ud45c\ubcf8\uc774 \uc815\uaddc \ubd84\ud3ec\uc5d0\uc11c \ub098\uc628\ub2e4\ub294 \uadc0\ubb34 \uac00\uc124\uc744 \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ud14c\uc2a4\ud2b8\uc758 p-\uac12\uc740 <strong>0.005999<\/strong> \ub85c \uc54c\ud30c \uc218\uc900\uc778 0.05\ubcf4\ub2e4 \ub0ae\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud45c\ubcf8\uc774 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub974\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">\uc774 \uac00\uc815\uc774 \uc874\uc911\ub418\uc9c0 \uc54a\uc73c\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">\uc77c\ubc18\uc801\uc73c\ub85c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc740 \ud45c\ubcf8 \ud06c\uae30\uac00 \ucda9\ubd84\ud788 \ud06c\uba74 \uc815\uaddc\uc131 \uac00\uc815 \uc704\ubc18\uc5d0 \ub300\ud574 \uc0c1\ub2f9\ud788 \uacac\uace0\ud55c \uac83\uc73c\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub610\ud55c \ub9e4\uc6b0 \ud070 \uc0d8\ud50c\uc774 \uc788\ub294 \uacbd\uc6b0 Shapiro-Wilk \ud14c\uc2a4\ud2b8\uc640 \uac19\uc740 \ud1b5\uacc4 \ud14c\uc2a4\ud2b8\ub294 \uac70\uc758 \ud56d\uc0c1 \ub370\uc774\ud130\uac00 \uc815\uaddc\uc801\uc774\uc9c0 \uc54a\ub2e4\ub294 \uac83\uc744 \uc54c\ub824\uc90d\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c \ud788\uc2a4\ud1a0\uadf8\ub7a8, QQ \ud50c\ub86f\uacfc \uac19\uc740 \ucc28\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc2dc\uac01\uc801\uc73c\ub85c \uac80\uc0ac\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc88b\uc740 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uadf8\ub798\ud504\ub9cc \ubd10\ub3c4 \ub370\uc774\ud130\uac00 \uc815\uaddc \ubd84\ud3ec\ub97c \uc774\ub8e8\uace0 \uc788\ub294\uc9c0 \uc544\ub2cc\uc9c0\ub97c \uaf64 \uc798 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc815\uaddc\uc131 \uac00\uc815\uc774 <em>\uc2ec\uac01\ud558\uac8c<\/em> \uc704\ubc18\ub418\uac70\ub098 \ub9e4\uc6b0 \ubcf4\uc218\uc801\uc73c\ub85c \uc801\uc6a9\ud558\ub824\ub294 \uacbd\uc6b0 \ub450 \uac00\uc9c0 \uc120\ud0dd\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>(1)<\/strong> \ubd84\ud3ec\uac00 \ubcf4\ub2e4 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub974\ub3c4\ub85d \ub370\uc774\ud130\uc758 \ubc18\uc751 \uac12\uc744 \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>(2)<\/strong> \uc815\uaddc\uc131 \uac00\uc815\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 <a href=\"https:\/\/statorials.org\/ko\/\u110f\u1173\u1105\u116e\u1109\u1173\u110f\u1161\u11af-\u110b\u116f\u11af\u1105\u1175\u1109\u1173-\u1110\u1166\u1109\u1173\u1110\u1173\/\" target=\"_blank\" rel=\"noopener\">Kruskal-Wallis \ud14c\uc2a4\ud2b8<\/a> \uc640 \uac19\uc740 \ub3d9\ub4f1\ud55c \ube44\ubaa8\uc218 \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uac00\uc815 #2: \ub4f1\ubd84\uc0b0<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">ANOVA\ub294 \ud45c\ubcf8\uc744 \ucd94\ucd9c\ud55c \ubaa8\uc9d1\ub2e8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">R\uc5d0\uc11c \uc774 \uac00\uc124\uc744 \ud655\uc778\ud558\ub294 \ubc29\ubc95:<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">\uc6b0\ub9ac\ub294 \ub450 \uac00\uc9c0 \uc811\uadfc\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec R\uc5d0\uc11c \uc774 \uac00\uc124\uc744 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uc0c1\uc790 \uadf8\ub9bc\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac00\uc124\uc744 \uc2dc\uac01\uc801\uc73c\ub85c \uac80\uc99d\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Bartlett\uc758 \uac80\uc815\uacfc \uac19\uc740 \uacf5\uc2dd\uc801\uc778 \ud1b5\uacc4 \uac80\uc815\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac00\uc124\uc744 \uac80\uc815\ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ucf54\ub4dc\ub294 \uc774\uc804\uc5d0 \uc0dd\uc131\ud55c \uac83\uacfc \ub3d9\uc77c\ud55c \uac00\uc9dc \uccb4\uc911 \uac10\ub7c9 \ub370\uc774\ud130 \uc138\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ub97c \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. \uc0c1\uc790 \uadf8\ub9bc\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.<\/strong><\/span> <\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#Create box plots that show distribution of weight loss for each group<\/span>\nboxplot(weight_loss ~ program, xlab=' <span style=\"color: #ff0000;\">Program<\/span> ', ylab=' <span style=\"color: #ff0000;\">Weight Loss<\/span> ', data=data)\n<\/strong><\/pre>\n<h3><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-4762 size-full\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-a-moustaches.jpg\" alt=\"\" width=\"557\" height=\"371\" srcset=\"\" sizes=\"auto, \"><\/h3>\n<p> <span style=\"color: #000000;\">\uac01 \uadf8\ub8f9\uc758 \uccb4\uc911 \uac10\uc18c \ucc28\uc774\ub294 \uac01 \uc0c1\uc790 \uadf8\ub9bc\uc758 \uae38\uc774\ub97c \ud1b5\ud574 \uad00\ucc30\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c1\uc790\uac00 \uae38\uc218\ub85d \ubd84\uc0b0\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud504\ub85c\uadf8\ub7a8 A \ubc0f \ud504\ub85c\uadf8\ub7a8 B\uc5d0 \ube44\ud574 \ud504\ub85c\uadf8\ub7a8 C \ucc38\uac00\uc790\uc758 \ucc28\uc774\uac00 \uc57d\uac04 \ub354 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. Bartlett \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/strong><\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#Create box plots that show distribution of weight loss for each group<\/span>\nbartlett. <span style=\"color: #3366ff;\">test<\/span> (weight_loss ~ program, data=data)\n\n#Bartlett test of homogeneity of variances\n#\n#data: weight_loss by program\n#Bartlett's K-squared = 8.2713, df = 2, p-value = 0.01599<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ko\/r\u110b\u1174-\u1107\u1161\u1110\u1173\u11af\u1105\u1166\u11ba-\u1110\u1166\u1109\u1173\u1110\u1173\/\" target=\"_blank\" rel=\"noopener\">Bartlett \uac80\uc815\uc740<\/a> \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\uc9c0 \uc54a\ub2e4\ub294 \ub300\ub9bd \uac00\uc124\uc5d0 \ub300\ud574 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uadc0\ubb34\uac00\uc124\uc744 \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \uac80\uc815\uc758 p-\uac12\uc740 <strong>0.01599<\/strong> \ub85c \uc54c\ud30c \uc218\uc900\uc778 0.05\ubcf4\ub2e4 \ub0ae\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ubaa8\ub450 \ub3d9\uc77c\ud558\uc9c0 \uc54a\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">\uc774 \uac00\uc815\uc774 \uc874\uc911\ub418\uc9c0 \uc54a\uc73c\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">\uc77c\ubc18\uc801\uc73c\ub85c<\/span> <span style=\"color: #000000;\">\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc740 \uac01 \uadf8\ub8f9\uc774 \ub3d9\uc77c\ud55c \ud45c\ubcf8 \ud06c\uae30\ub97c \uac16\ub294 \ud55c \ub4f1\ubd84\uc0b0 \uac00\uc815\uc744 \uc704\ubc18\ud558\ub294 \uacbd\uc6b0 \uc0c1\ub2f9\ud788 \uacac\uace0\ud55c \uac83\uc73c\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uadf8\ub7ec\ub098 \ud45c\ubcf8 \ud06c\uae30\uac00 \ub3d9\uc77c\ud558\uc9c0 \uc54a\uace0 \uc774 \uac00\uc815\uc774 \uc2ec\uac01\ud558\uac8c \uc704\ubc18\ub418\ub294 \uacbd\uc6b0 \ub300\uc2e0 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc758 \ube44\ubaa8\uc218\uc801 \ubc84\uc804\uc778 <a href=\"https:\/\/statorials.org\/ko\/\u110f\u1173\u1105\u116e\u1109\u1173\u110f\u1161\u11af-\u110b\u116f\u11af\u1105\u1175\u1109\u1173-\u1110\u1166\u1109\u1173\u1110\u1173\/\" target=\"_blank\" rel=\"noopener\">Kruskal-Wallis \uac80\uc815\uc744<\/a> \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uac00\uc815 #3: \ub3c5\ub9bd\uc131<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">ANOVA\ub294 \ub2e4\uc74c\uc744 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uac01 \uadf8\ub8f9\uc758 \uad00\uce21\uce58\ub294 \ub2e4\ub978 \ubaa8\ub4e0 \uadf8\ub8f9\uc758 \uad00\uce21\uce58\uc640 \ub3c5\ub9bd\uc801\uc785\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uac01 \uadf8\ub8f9 \ub0b4\uc758 \uad00\ucc30\uc740 \ubb34\uc791\uc704 \ud45c\ubcf8\uc744 \ud1b5\ud574 \uc5bb\uc5b4\uc84c\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<h3> <strong><span style=\"color: #000000;\">\uc774 \uac00\uc124\uc744 \uac80\uc99d\ud558\ub294 \ubc29\ubc95:<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">\uac01 \uadf8\ub8f9\uc758 \uad00\uce21\uce58\uac00 \ub3c5\ub9bd\uc801\uc774\uace0 \ubb34\uc791\uc704 \ud45c\ubcf8\uc744 \ud1b5\ud574 \uc5bb\uc740 \uac83\uc778\uc9c0 \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uacf5\uc2dd\uc801\uc778 \ud14c\uc2a4\ud2b8\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/span> <span style=\"color: #000000;\">\uc774 \uac00\uc815\uc744 \ub9cc\uc871\uc2dc\ud0a4\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc740 \ubb34\uc791\uc704 \uc124\uacc4\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">\uc774 \uac00\uc815\uc774 \uc874\uc911\ub418\uc9c0 \uc54a\uc73c\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694?<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">\ubd88\ud589\ud558\uac8c\ub3c4 \uc774 \uac00\uc815\uc774 \ucda9\uc871\ub418\uc9c0 \uc54a\uc73c\uba74 \ud560 \uc218 \uc788\ub294 \uc77c\uc774 \ub9ce\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uac04\ub2e8\ud788 \ub9d0\ud574\uc11c, \uac01 \uadf8\ub8f9\uc758 \uad00\uce21\uac12\uc774 \ub2e4\ub978 \uadf8\ub8f9\uc758 \uad00\uce21\uac12\uacfc \ub3c5\ub9bd\uc801\uc774\uc9c0 \uc54a\uc740 \ubc29\uc2dd\uc73c\ub85c \ub370\uc774\ud130\uac00 \uc218\uc9d1\ub418\uc5c8\uac70\ub098 \uac01 \uadf8\ub8f9 \ub0b4\uc758 \uad00\uce21\uac12\uc774 \ubb34\uc791\uc704 \ud504\ub85c\uc138\uc2a4\uc5d0 \uc758\ud574 \uc5bb\uc5b4\uc9c0\uc9c0 \uc54a\uc740 \uacbd\uc6b0 ANOVA \uacb0\uacfc\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. .<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \uac00\uc815\uc774 \ucda9\uc871\ub418\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \uac00\uc7a5 \uc88b\uc740 \ubc29\ubc95\uc740 \ubb34\uc791\uc704 \uc124\uacc4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2e4\ud5d8\uc744 \uc7ac\ud604\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ucd94\uac00 \uc790\ub8cc:<\/strong><\/span><\/p>\n<p> <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\">R\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><br \/> <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\">Excel\uc5d0\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d (one-way ANOVA)\uc740 \uc138 \uac1c \uc774\uc0c1\uc758 \ub3c5\ub9bd \uadf8\ub8f9\uc758 \ud3c9\uade0 \uac04\uc5d0 \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \ud1b5\uacc4 \ud14c\uc2a4\ud2b8\uc785\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0\uc758 \uc608\uc785\ub2c8\ub2e4. 90\uba85\uc758 \ud559\uc0dd\uc73c\ub85c \uad6c\uc131\ub41c \ud559\uae09\uc744 \ubb34\uc791\uc704\ub85c 30\uba85\uc758 \uc138 \uadf8\ub8f9\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4. \uac01 \uadf8\ub8f9\uc740 \ud55c \ub2ec \ub3d9\uc548 \uc11c\ub85c \ub2e4\ub978 \ud559\uc2b5 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2dc\ud5d8\uc744 \uc900\ube44\ud569\ub2c8\ub2e4. \uc6d4\ub9d0\uc5d0\ub294 \ubaa8\ub4e0 \ud559\uc0dd\uc774 \ub3d9\uc77c\ud55c [&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-543","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>ANOVA \uac00\uc815\uc744 \ud655\uc778\ud558\ub294 \ubc29\ubc95 - \ud1b5\uacc4<\/title>\n<meta name=\"description\" content=\"ANOVA\uc758 \uc138 \uac00\uc9c0 \uae30\ubcf8 \uac00\uc815\uacfc \uc774\ub7ec\ud55c \uac00\uc815\uc774 \ucda9\uc871\ub418\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud558\ub294 \uac04\ub2e8\ud55c \ud29c\ud1a0\ub9ac\uc5bc\uc785\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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