{"id":511,"date":"2018-08-18T22:32:25","date_gmt":"2018-08-18T13:32:25","guid":{"rendered":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/how-to-determine-sample-size-in-dunnett-test\/"},"modified":"2024-10-21T08:27:31","modified_gmt":"2024-10-20T23:27:31","slug":"how-to-determine-sample-size-in-dunnett-test","status":"publish","type":"post","link":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/how-to-determine-sample-size-in-dunnett-test\/","title":{"rendered":"R \u3067\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306b\u5fc5\u8981\u306a\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3092 R \u3067\u884c\u3046\u65b9\u6cd5<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u524d\u63d0\">\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u524d\u63d0<\/h2>\n\n\n\n<p>\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u3068\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u3001\u7d71\u5236\u7fa4\u3001\u975e\u51e6\u7406\u7fa4\u306a\u3069\u3068\u547c\u3070\u308c\u308b\u6bd4\u8f03\u5bfe\u7167\u30b0\u30eb\u30fc\u30d7\u3068\u3001\u8907\u6570\u7528\u91cf\u306e\u6cbb\u7642\u7fa4\u3001\u51e6\u7406\u7fa4\u3092\u6bd4\u8f03\u3059\u308b\u691c\u5b9a\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u4f5c\u6210\u306b\u3042\u305f\u3063\u3066\u306f\u3001<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0378375896001930\" target=\"_blank\" rel=\"noopener\">Liu W. 1997\u306e\u8ad6\u6587<\/a>\u3092\u53c2\u7167\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u8ad6\u6587\u306eTable\u306e\u4e00\u90e8\u3092text\u30c7\u30fc\u30bf\u306b\u3057\u3066\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dat.tab <span class=\"synStatement\">&lt;-<\/span> <span class=\"synIdentifier\">read.table<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">\"table-for-dunnett-test-sample-size.txt\"<\/span><span class=\"synSpecial\">)<\/span>\n<\/code><\/pre>\n\n\n\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306f\u3053\u3061\u3089\u304b\u3089 \u2192 <a href=\"https:\/\/happyhappygk.biz\/data\/table-for-dunnett-test-sample-size.txt\">table-for-dunnett-test-sample-size.txt<\/a><\/p>\n\n\n\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u306e\u3061Working directory\uff08Windows\u3067\u3042\u308c\u3070\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u30d5\u30a9\u30eb\u30c0\uff09\u306b\u4fdd\u5b58\u3057\u3066\u3001\u4e0a\u8a18\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u30b9\u30af\u30ea\u30d7\u30c8\">\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u30b9\u30af\u30ea\u30d7\u30c8<\/h2>\n\n\n\n<p>\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sample.size.dunnett <span class=\"synStatement\">&lt;-<\/span>\n<span class=\"synType\">function<\/span><span class=\"synSpecial\">(<\/span>\nnu<span class=\"synStatement\">=<\/span><span class=\"synConstant\">40<\/span><span class=\"synSpecial\">,<\/span>sig.level<span class=\"synStatement\">=<\/span><span class=\"synIdentifier\">c<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">.1<\/span><span class=\"synSpecial\">,<\/span><span class=\"synConstant\">.05<\/span><span class=\"synSpecial\">,<\/span><span class=\"synConstant\">.01<\/span><span class=\"synSpecial\">),<\/span>power<span class=\"synStatement\">=<\/span><span class=\"synIdentifier\">c<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">.75<\/span><span class=\"synSpecial\">,<\/span><span class=\"synConstant\">.80<\/span><span class=\"synSpecial\">,<\/span><span class=\"synConstant\">.85<\/span><span class=\"synSpecial\">,<\/span><span class=\"synConstant\">.90<\/span><span class=\"synSpecial\">,<\/span><span class=\"synConstant\">.95<\/span><span class=\"synSpecial\">),<\/span>\ntreat<span class=\"synStatement\">=<\/span><span class=\"synIdentifier\">c<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">:<\/span><span class=\"synConstant\">10<\/span><span class=\"synSpecial\">),<\/span>Delta<span class=\"synSpecial\">,<\/span>sd<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span>\n<span class=\"synSpecial\">)<\/span>\n<span class=\"synSpecial\">{<\/span>\ndat.tab.abs <span class=\"synStatement\">&lt;-<\/span> <span class=\"synIdentifier\">subset<\/span><span class=\"synSpecial\">(<\/span>dat.tab<span class=\"synSpecial\">,<\/span> alpha<span class=\"synStatement\">==<\/span>sig.level <span class=\"synStatement\">&amp;<\/span> Power<span class=\"synStatement\">==<\/span>power <span class=\"synStatement\">&amp;<\/span> k<span class=\"synStatement\">==<\/span>treat<span class=\"synSpecial\">)<\/span>\nn <span class=\"synStatement\">&lt;-<\/span> <span class=\"synSpecial\">(<\/span>dat.tab.abs<span class=\"synSpecial\">$<\/span>sqrt.n.delta<span class=\"synStatement\">\/<\/span>Delta<span class=\"synStatement\">*<\/span>sd<span class=\"synSpecial\">)<\/span><span class=\"synStatement\">^<\/span><span class=\"synConstant\">2<\/span>\nn0 <span class=\"synStatement\">&lt;-<\/span> <span class=\"synIdentifier\">sqrt<\/span><span class=\"synSpecial\">(<\/span>treat<span class=\"synSpecial\">)<\/span><span class=\"synStatement\">*<\/span>n\n<span class=\"synTodo\">NOTE<\/span> <span class=\"synStatement\">&lt;-<\/span> <span class=\"synConstant\">\"n is each number in *treatment* groups\"<\/span>\nMETHOD <span class=\"synStatement\">&lt;-<\/span> <span class=\"synConstant\">\"Sample size determination for Dunnett test\"<\/span>\n<span class=\"synIdentifier\">structure<\/span><span class=\"synSpecial\">(<\/span>\n<span class=\"synType\">list<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">\"n0 (control)\"<\/span> <span class=\"synStatement\">=<\/span> n0<span class=\"synSpecial\">,<\/span> <span class=\"synConstant\">\"n (treatment)\"<\/span> <span class=\"synStatement\">=<\/span> n<span class=\"synSpecial\">,<\/span>\n<span class=\"synConstant\">\"Treatment groups\"<\/span> <span class=\"synStatement\">=<\/span> treat<span class=\"synSpecial\">,<\/span>\n<span class=\"synConstant\">\"Diff. to be rejected\"<\/span> <span class=\"synStatement\">=<\/span> Delta<span class=\"synSpecial\">,<\/span>\nSD <span class=\"synStatement\">=<\/span> sd<span class=\"synSpecial\">,<\/span>\nsig.level <span class=\"synStatement\">=<\/span> sig.level<span class=\"synSpecial\">,<\/span>\npower <span class=\"synStatement\">=<\/span> power<span class=\"synSpecial\">,<\/span> alternative <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">\"two.sided\"<\/span><span class=\"synSpecial\">,<\/span> note <span class=\"synStatement\">=<\/span> <span class=\"synTodo\">NOTE<\/span><span class=\"synSpecial\">,<\/span>\nmethod <span class=\"synStatement\">=<\/span> METHOD<span class=\"synSpecial\">),<\/span>\nclass <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">\"power.htest\"<\/span><span class=\"synSpecial\">)<\/span>\n<span class=\"synSpecial\">}<\/span>\n<\/code><\/pre>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306b\u306f\u5236\u9650\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6709\u610f\u6c34\u6e96\u304c10%\u30015%\u30011%\u306e\u4e09\u7a2e\u985e\u3057\u304b\u9078\u3079\u306a\u3044\u3002<\/li>\n\n\n\n<li>\u691c\u51fa\u529b\u304c75%\u300180%\u300185%\u300190%\u300195%\u306e\u4e94\u7a2e\u985e\u3057\u304b\u9078\u3079\u306a\u3044\u3002<\/li>\n\n\n\n<li>\u6cbb\u7642\u7fa4\u306f2\u304b\u3089\u6700\u592710\u307e\u3067\u3057\u304b\u9078\u3079\u306a\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<div id=\"biost-1280705957\" class=\"biost- biost-entity-placement\"><p style=\"text-align: center;\"><span style=\"font-size: 20px;\"><strong><a href=\"https:\/\/best-biostatistics.com\/kmhl\">\uff1e\uff1e\u3082\u3046\u7d71\u8a08\u3067\u60a9\u3080\u306e\u306f\u7d42\u308f\u308a\u306b\u3057\u307e\u305b\u3093\u304b\uff1f\u00a0<\/a><\/strong><\/span><\/p>\r\n<a href=\"https:\/\/best-biostatistics.com\/kmhl\"><img class=\"aligncenter wp-image-2794 size-full\" src=\"https:\/\/best-biostatistics.com\/wp\/wp-content\/uploads\/2023\/11\/bn_r_03.png\" alt=\"\" width=\"500\" height=\"327\" \/><\/a>\r\n<p style=\"text-align: center;\"><span style=\"color: #ff0000; font-size: 20px;\"><strong><span class=\"marker2\">\u21911\u4e07\u4eba\u4ee5\u4e0a\u306e\u533b\u7642\u5f93\u4e8b\u8005\u304c\u8cfc\u8aad\u4e2d<\/span><\/strong><\/span><\/p><\/div><h2 class=\"wp-block-heading\" id=\"\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u306e\u4f8b\">\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u306e\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5927\u304d\u306a\u5dee\u3092\u691c\u51fa\u3059\u308b\u6761\u4ef6\u3060\u3068\">\u5927\u304d\u306a\u5dee\u3092\u691c\u51fa\u3059\u308b\u6761\u4ef6\u3060\u3068&#8230;<\/h3>\n\n\n\n<p>\u6709\u610f\u6c34\u6e965%\u3001\u691c\u51fa\u529b80%\u3001\u6cbb\u7642\u7fa4\u304c\u4e09\u7fa4\u3001\u6a19\u6e96\u504f\u5deeSD=1\u306b\u5bfe\u3057\u3066\u3001\u5deeDelta=0.9\u3092\u68c4\u5374\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3092\u3059\u308b\u3068\u3001\u5bfe\u7167\u304c53\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u5404\u7fa431\u4f8b\u5fc5\u8981\u3068\u8a08\u7b97\u3055\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u6a19\u6e96\u504f\u5deeSD\uff1d\uff11\u306b\u5bfe\u3057\u3066\u3001\u5deeDelta\u3092\u3069\u3046\u8003\u3048\u308b\u304b\u306f\u3001\u4e0b\u8a18\u3092\u53c2\u7167\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/best-biostatistics.com\/toukei-er\/wp-content\/uploads\/2024\/08\/1920x1080-video-Excel-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/best-biostatistics.com\/toukei-er\/entry\/how-to-determine-sample-size-in-t-test\/\">R \u3067 t \u691c\u5b9a\u306b\u5fc5\u8981\u306a\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">t \u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u6570\u8a08\u7b97\u306e\u65b9\u6cd5 t \u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u6570\u8a08\u7b97\uff081:1\u306e\u5834\u5408\uff09 R \u306e power.t.test()\u3092\u7528\u3044\u308b\u3002 \u5fc5\u8981\u306a\u60c5\u5831\u306f\u3001\u691c\u51fa\u529b\u3092\u3069\u3046\u3059\u308b\u304b\u3068\u3001\u4e8c\u7fa4\u306e\u5e73\u5747\u5024\u306e\u5dee\u3002 \u6a19\u6e96\u504f&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">sample.size.dunnett<\/span><span class=\"synSpecial\">(<\/span>sig.level<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.05<\/span><span class=\"synSpecial\">,<\/span>power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.8<\/span><span class=\"synSpecial\">,<\/span>treat<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span>Delta<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.9<\/span><span class=\"synSpecial\">)<\/span>\nSample size determination <span class=\"synStatement\">for<\/span> Dunnett test\n<span class=\"synIdentifier\">n0 <\/span><span class=\"synSpecial\">(<\/span>control<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">52.7338<\/span>\n<span class=\"synIdentifier\">n <\/span><span class=\"synSpecial\">(<\/span>treatment<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">30.44587<\/span>\nTreatment groups <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">3<\/span>\nDiff. to be rejected <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.9<\/span>\nSD <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">1<\/span>\nsig.level <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.05<\/span>\npower <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.8<\/span>\nalternative <span class=\"synStatement\">=<\/span> two.sided\nNOTE<span class=\"synSpecial\">:<\/span> n is each number <span class=\"synStatement\">in<\/span> <span class=\"synStatement\">*<\/span>treatment<span class=\"synStatement\">*<\/span> groups\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Effect-size\u304c\u534a\u5206\u304f\u3089\u3044\u306b\u306a\u308b\u3068\">Effect size\u304c\u534a\u5206\u304f\u3089\u3044\u306b\u306a\u308b\u3068&#8230;<\/h3>\n\n\n\n<p>\u68c4\u5374\u3059\u3079\u304d\u5dee\u304c\u7d04\u534a\u5206\u306e0.5\u306b\u306a\u308b\u3068\u3001\u5fc5\u8981\u306a\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306f\u5897\u52a0\u3057\u3066\u3001\u5bfe\u7167\u7fa4\u304c171\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u5404\u7fa499\u4f8b\u5fc5\u8981\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">sample.size.dunnett<\/span><span class=\"synSpecial\">(<\/span>sig.level<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.05<\/span><span class=\"synSpecial\">,<\/span>power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.8<\/span><span class=\"synSpecial\">,<\/span>treat<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span>Delta<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.5<\/span><span class=\"synSpecial\">)<\/span>\nSample size determination <span class=\"synStatement\">for<\/span> Dunnett test\n<span class=\"synIdentifier\">n0 <\/span><span class=\"synSpecial\">(<\/span>control<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">170.8575<\/span>\n<span class=\"synIdentifier\">n <\/span><span class=\"synSpecial\">(<\/span>treatment<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">98.64462<\/span>\nTreatment groups <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">3<\/span>\nDiff. to be rejected <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.5<\/span>\nSD <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">1<\/span>\nsig.level <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.05<\/span>\npower <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.8<\/span>\nalternative <span class=\"synStatement\">=<\/span> two.sided\nNOTE<span class=\"synSpecial\">:<\/span> n is each number <span class=\"synStatement\">in<\/span> <span class=\"synStatement\">*<\/span>treatment<span class=\"synStatement\">*<\/span> groups\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Effect-size\u304c\u76f8\u5bfe\u7684\u306b\u5927\u304d\u3044\u3068\">Effect size\u304c\u76f8\u5bfe\u7684\u306b\u5927\u304d\u3044\u3068&#8230;<\/h3>\n\n\n\n<p>\u52d5\u7269\u5b9f\u9a13\u306a\u3069\u30d4\u30e5\u30a2\u306a\u5b9f\u9a13\u7cfb\u3067\u3042\u308b\u3068\u3001\u3070\u3089\u3064\u304d\u304c\u5c0f\u3055\u304f\u3001\u76f8\u5bfe\u7684\u306b\u52b9\u679c\u91cf\uff08Effect size\uff09\u304c\u5927\u304d\u304f\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u305d\u3046\u3044\u3046\u5834\u5408\u306f\u3069\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u68c4\u5374\u3059\u3079\u304d\u5dee\u304c\u6a19\u6e96\u504f\u5deeSD=1\u306b\u5bfe\u3057\u3066\u3001Delta=2\u3060\u3063\u305f\u5834\u5408\u3001\u5fc5\u8981\u3068\u306a\u308b\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306f\u3001\u5bfe\u7167\u7fa4\u304c11\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u5404\u7fa47\u4f8b\u3068\u306a\u308b\u3002<\/p>\n\n\n\n<p>\u5b9f\u969b\u306e\u5b9f\u9a13\u5ba4\u3067\u306e\u72b6\u6cc1\u3067\u306f\u3053\u306e\u304f\u3089\u3044\u3067\u306f\u306a\u3044\u3060\u308d\u3046\u304b\uff1f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">sample.size.dunnett<\/span><span class=\"synSpecial\">(<\/span>sig.level<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.05<\/span><span class=\"synSpecial\">,<\/span>power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.8<\/span><span class=\"synSpecial\">,<\/span>treat<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span>Delta<span class=\"synStatement\">=<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">)<\/span>\nSample size determination <span class=\"synStatement\">for<\/span> Dunnett test\n<span class=\"synIdentifier\">n0 <\/span><span class=\"synSpecial\">(<\/span>control<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">10.67859<\/span>\n<span class=\"synIdentifier\">n <\/span><span class=\"synSpecial\">(<\/span>treatment<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">6.165289<\/span>\nTreatment groups <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">3<\/span>\nDiff. to be rejected <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">2<\/span>\nSD <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">1<\/span>\nsig.level <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.05<\/span>\npower <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.8<\/span>\nalternative <span class=\"synStatement\">=<\/span> two.sided\nNOTE<span class=\"synSpecial\">:<\/span> n is each number <span class=\"synStatement\">in<\/span> <span class=\"synStatement\">*<\/span>treatment<span class=\"synStatement\">*<\/span> groups\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u6cbb\u7642\u7fa4\u306e\u6570\u304c\u6e1b\u308b\u3068\">\u6cbb\u7642\u7fa4\u306e\u6570\u304c\u6e1b\u308b\u3068&#8230;<\/h3>\n\n\n\n<p>\u6a19\u6e96\u5316\u3055\u308c\u305f\u5dee\u304c2\u306e\u307e\u307e\u3067\u3001\u6cbb\u7642\u7fa4\u304c\u4e8c\u7fa4\u306e\u30c7\u30b6\u30a4\u30f3\u306b\u306a\u308b\u3068\u3001\u5fc5\u8981\u3068\u306a\u308b\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306f\u3055\u3089\u306b\u5c0f\u3055\u304f\u306a\u308a\u3001\u5bfe\u7167\u7fa4\u304c8\u4f8b\u3001\u6cbb\u7642\u7fa4\u304c\u5404\u7fa46\u4f8b\u3067\u6e08\u3080\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">sample.size.dunnett<\/span><span class=\"synSpecial\">(<\/span>sig.level<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.05<\/span><span class=\"synSpecial\">,<\/span>power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">.8<\/span><span class=\"synSpecial\">,<\/span>treat<span class=\"synStatement\">=<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">,<\/span>Delta<span class=\"synStatement\">=<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">)<\/span>\nSample size determination <span class=\"synStatement\">for<\/span> Dunnett test\n<span class=\"synIdentifier\">n0 <\/span><span class=\"synSpecial\">(<\/span>control<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">7.836604<\/span>\n<span class=\"synIdentifier\">n <\/span><span class=\"synSpecial\">(<\/span>treatment<span class=\"synSpecial\">)<\/span> <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">5.541316<\/span>\nTreatment groups <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">2<\/span>\nDiff. to be rejected <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">2<\/span>\nSD <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">1<\/span>\nsig.level <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.05<\/span>\npower <span class=\"synStatement\">=<\/span> <span class=\"synConstant\">0.8<\/span>\nalternative <span class=\"synStatement\">=<\/span> two.sided\nNOTE<span class=\"synSpecial\">:<\/span> n is each number <span class=\"synStatement\">in<\/span> <span class=\"synStatement\">*<\/span>treatment<span class=\"synStatement\">*<\/span> groups\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3092\u30a8\u30af\u30bb\u30eb\u3067\">\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3092\u30a8\u30af\u30bb\u30eb\u3067<\/h2>\n\n\n\n<p>\u30a8\u30af\u30bb\u30eb\u30d5\u30a1\u30a4\u30eb\u3067\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6570\u5024\u8868\u8fbc\u307f\u3002<\/p>\n\n\n\n<p>\u3088\u304b\u3063\u305f\u3089\u3069\u3046\u305e\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/happyhappygk.base.ec\/items\/27953816\">\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a \u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3010\u30a8\u30af\u30bb\u30eb\u3067\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u3011 | TKER SHOP<\/a><\/p>\n\n\n\n<p>\u30a8\u30af\u30bb\u30eb\u30d5\u30a1\u30a4\u30eb\u306e\u4f7f\u3044\u65b9\u3092\u89e3\u8aac\u3057\u305f\u52d5\u753b\u3002<\/p>\n\n\n\n<p>\u3053\u3061\u3089\u3082\u3088\u3051\u308c\u3070\u3069\u3046\u305e\u3002<\/p>\n\n\n\n<p><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/l-xibgU-biY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"allowfullscreen\" title=\"\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a \u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97 \u30a8\u30af\u30bb\u30eb\u30d5\u30a1\u30a4\u30eb\u306e\u4f7f\u3044\u65b9\u3010\u30a8\u30af\u30bb\u30eb\u3067\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u3011\"><\/iframe><cite class=\"hatena-citation\"><a href=\"https:\/\/youtu.be\/l-xibgU-biY\">youtu.be<\/a><\/cite><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3092-R-\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\">\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3092 R \u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u8a08\u7b97\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>DunnettTests\u30d1\u30c3\u30b1\u30fc\u30b8\u306envDT()\u95a2\u6570\u3067\u8a08\u7b97\u53ef\u80fd\u3060\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3053\u306e\u95a2\u6570\u306f\u4e0a\u8a18\u3068\u9055\u3063\u3066\u7247\u5074\u691c\u5b9a\u306a\u306e\u3067\u627f\u77e5\u304a\u304d\u3092\u3002<\/p>\n\n\n\n<p>\u4e00\u5ea6\u3060\u3051\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synIdentifier\">install.packages<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">\"DunnettTests\"<\/span><span class=\"synSpecial\">)<\/span>\n<\/code><\/pre>\n\n\n\n<p>\u547c\u3073\u51fa\u3057\u3066\u304b\u3089\u5229\u7528\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synPreProc\">library<\/span><span class=\"synSpecial\">(<\/span>DunnettTests<span class=\"synSpecial\">)<\/span>\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ratio\u306f\u3001\u6cbb\u7642\u7fa4\u3068\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u306e\u6bd4\u3002<\/li>\n\n\n\n<li>power\u306f\u691c\u51fa\u529b\u3002<\/li>\n\n\n\n<li>r\u306f\u5c11\u306a\u304f\u3068\u3082\u3044\u304f\u3064\u306e\u7fa4\u9593\u3067\u6709\u610f\u306b\u306a\u3063\u3066\u307b\u3057\u3044\u304b\u3002<\/li>\n\n\n\n<li>k\u306f\u6cbb\u7642\u7fa4\u306e\u6570\u3002<\/li>\n\n\n\n<li>mu\u306f\u6cbb\u7642\u7fa4\u306e\u5e73\u5747\u5024\u3002<\/li>\n\n\n\n<li>mu0\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u306e\u5e73\u5747\u5024\u3002<\/li>\n\n\n\n<li>contrast\u306fmeans\u306b\u3059\u308b\u3068\u5e73\u5747\u5024\u306e\u6bd4\u8f03\u3002props\u3068\u3059\u308b\u3068\u5272\u5408\u306e\u6bd4\u8f03\u3002<\/li>\n\n\n\n<li>sigma\u306f\u6a19\u6e96\u504f\u5dee\u3002props\u306e\u3068\u304d\u306f\u6307\u5b9a\u3057\u306a\u3044\u3002<\/li>\n\n\n\n<li>dist\u306ft\u5206\u5e03(tdist)\u304b\u6a19\u6e96\u6b63\u898f\u5206\u5e03(zdist)\u304b\u6307\u5b9a\u3002n\u304c\u5c0f\u3055\u3044\u3068\u4e88\u60f3\u3055\u308c\u308b\u5834\u5408\u306ftdist\u304c\u3088\u3044\u3002<\/li>\n\n\n\n<li>testcall\u306fStep-up(SU)\u3068Step-down(SD)\u304c\u6307\u5b9a\u3067\u304d\u308b\u3002<br>Step-up\u306fHochberg\u306e\u65b9\u6cd5\u3001Step-down\u306fHolm\u306e\u65b9\u6cd5\u3068\u601d\u3048\u3070\u3044\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<p>Hochberg\u306e\u65b9\u6cd5\u3001Holm\u306e\u65b9\u6cd5\u306f\u4e0b\u8a18\u3092\u53c2\u7167\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/best-biostatistics.com\/toukei-er\/wp-content\/uploads\/2024\/08\/1920x1080-video-Excel-300x169.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/best-biostatistics.com\/toukei-er\/entry\/multiple-comparison-of-mean-with-bonferroni-type-adjustment-in-r\/\">R \u3067\u30dc\u30f3\u30d5\u30a7\u30ed\u30fc\u30cb\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u691c\u8a3c\u8a66\u9a13\u306b\u304a\u3044\u3066\u3001\u4e09\u7fa4\u4ee5\u4e0a\u306e\u5e73\u5747\u5024\u3092\u6bd4\u8f03\u3057\u305f\u3044\u3068\u304d\u306b\u3001\u5358\u7d14\u306b\u4e8c\u7fa4\u6bd4\u8f03\u3092\u7e70\u308a\u8fd4\u3059\u3068\u6709\u610f\u6c34\u6e96\u304c\u7518\u304f\u306a\u308b\u3002 \u6709\u610f\u6c34\u6e96\u306e\u8abf\u6574\u306b\u3088\u3063\u3066\u7c21\u5358\u306b\u51e6\u7406\u3059\u308b\u65b9\u6cd5\u304c\u30dc\u30f3\u30d5\u30a7\u30ed\u30fc\u30cb&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5927\u304d\u306a\u5dee\u3092\u691c\u51fa\u3059\u308b\u6761\u4ef6\u518d\u8a08\u7b97\">\u5927\u304d\u306a\u5dee\u3092\u691c\u51fa\u3059\u308b\u6761\u4ef6\u518d\u8a08\u7b97<\/h3>\n\n\n\n<p>Effect size\u304c0.9\u3068\u3001\u5927\u304d\u306a\u5dee\u306e\u5834\u5408\u306f\u3001\u4e0a\u8a18\u306e\u65b9\u6cd5\u3067\u306f\u3001\u4e21\u5074\u691c\u5b9a\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c53\u4f8b\u3001\u6cbb\u7642\u7fa4\u304c\u5404\u7fa431\u4f8b\u5fc5\u8981\u3068\u8a08\u7b97\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u3061\u3089\u306e nvDT() \u306b\u3088\u308b\u7247\u5074\u691c\u5b9a\u306e\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3067\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c32\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u540418\u4f8b\u3068\u8a08\u7b97\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">nvDT<\/span><span class=\"synSpecial\">(<\/span>ratio<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synStatement\">\/<\/span><span class=\"synIdentifier\">sqrt<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">),<\/span> power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.8<\/span><span class=\"synSpecial\">,<\/span> r<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span> k<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span> mu<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.9<\/span><span class=\"synSpecial\">,<\/span> mu0<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0<\/span><span class=\"synSpecial\">,<\/span> contrast<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"means\"<\/span><span class=\"synSpecial\">,<\/span> sigma<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">,<\/span> dist<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"zdist\"<\/span><span class=\"synSpecial\">,<\/span> testcall<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"SU\"<\/span><span class=\"synSpecial\">)<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in each treatment groups`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">18<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in the control group`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">32<\/span>\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Effect-size\u304c\u7d04\u534a\u5206\u306e\u3068\u304d\u518d\u8a08\u7b97\">Effect size\u304c\u7d04\u534a\u5206\u306e\u3068\u304d\u518d\u8a08\u7b97<\/h3>\n\n\n\n<p>Effect size\u304c\u7d04\u534a\u5206\u306e0.5\u306e\u6642\u306f\u3001\u5148\u307b\u3069\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c171\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u5404\u7fa499\u4f8b\u5fc5\u8981\u3068\u8a08\u7b97\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u3061\u3089\u306e\u5834\u5408\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c101\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u540458\u4f8b\u5fc5\u8981\u3068\u8a08\u7b97\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">nvDT<\/span><span class=\"synSpecial\">(<\/span>ratio<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synStatement\">\/<\/span><span class=\"synIdentifier\">sqrt<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">),<\/span> power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.8<\/span><span class=\"synSpecial\">,<\/span> r<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span> k<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span> mu<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.5<\/span><span class=\"synSpecial\">,<\/span> mu0<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0<\/span><span class=\"synSpecial\">,<\/span> contrast<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"means\"<\/span><span class=\"synSpecial\">,<\/span> sigma<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">,<\/span> dist<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"zdist\"<\/span><span class=\"synSpecial\">,<\/span> testcall<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"SU\"<\/span><span class=\"synSpecial\">)<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in each treatment groups`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">58<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in the control group`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">101<\/span>\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Effect-size\u304c\u76f8\u5bfe\u7684\u306b\u5927\u304d\u3044\u3068\u304d\u518d\u8a08\u7b97\">Effect size\u304c\u76f8\u5bfe\u7684\u306b\u5927\u304d\u3044\u3068\u304d\u518d\u8a08\u7b97<\/h3>\n\n\n\n<p>Effect size\u304c\u76f8\u5bfe\u7684\u306b\u5927\u304d\u304f\u30012\u3067\u3042\u3063\u305f\u5834\u5408\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c11\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u54047\u4f8b\u5fc5\u8981\u3067\u3042\u3063\u305f\u3068\u3053\u308d\u304c\u3001nvDT()\u306e\u65b9\u6cd5\u3067\u3042\u308b\u3068\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c7\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u54044\u4f8b\u5fc5\u8981\u3068\u8a08\u7b97\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">nvDT<\/span><span class=\"synSpecial\">(<\/span>ratio<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synStatement\">\/<\/span><span class=\"synIdentifier\">sqrt<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">),<\/span> power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.8<\/span><span class=\"synSpecial\">,<\/span> r<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span> k<span class=\"synStatement\">=<\/span><span class=\"synConstant\">3<\/span><span class=\"synSpecial\">,<\/span> mu<span class=\"synStatement\">=<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">,<\/span> mu0<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0<\/span><span class=\"synSpecial\">,<\/span> contrast<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"means\"<\/span><span class=\"synSpecial\">,<\/span> sigma<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">,<\/span> dist<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"zdist\"<\/span><span class=\"synSpecial\">,<\/span> testcall<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"SU\"<\/span><span class=\"synSpecial\">)<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in each treatment groups`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">4<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in the control group`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">7<\/span>\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u6cbb\u7642\u7fa4\u304c\u6e1b\u3063\u305f\u3068\u304d\u518d\u8a08\u7b97\">\u6cbb\u7642\u7fa4\u304c\u6e1b\u3063\u305f\u3068\u304d\u518d\u8a08\u7b97<\/h3>\n\n\n\n<p>\u6cbb\u7642\u7fa4\u304c\u4e09\u7fa4\u304b\u3089\u4e8c\u7fa4\u306b\u6e1b\u308b\u3068\u3001\u5fc5\u8981\u6570\u3082\u6e1b\u308b\u3002<\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c8\u4f8b\u3001\u6cbb\u7642\u7fa4\u304c\u54046\u4f8b\u5fc5\u8981\u3067\u3042\u3063\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u3061\u3089\u306e\u65b9\u6cd5\u3067\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7fa4\u304c6\u4f8b\u3001\u6cbb\u7642\u7fa4\u306f\u54044\u4f8b\u5fc5\u8981\u3068\u8a08\u7b97\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><span class=\"synStatement\">&gt;<\/span> <span class=\"synIdentifier\">nvDT<\/span><span class=\"synSpecial\">(<\/span>ratio<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synStatement\">\/<\/span><span class=\"synIdentifier\">sqrt<\/span><span class=\"synSpecial\">(<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">),<\/span> power<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0.8<\/span><span class=\"synSpecial\">,<\/span> r<span class=\"synStatement\">=<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">,<\/span> k<span class=\"synStatement\">=<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">,<\/span> mu<span class=\"synStatement\">=<\/span><span class=\"synConstant\">2<\/span><span class=\"synSpecial\">,<\/span> mu0<span class=\"synStatement\">=<\/span><span class=\"synConstant\">0<\/span><span class=\"synSpecial\">,<\/span> contrast<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"means\"<\/span><span class=\"synSpecial\">,<\/span> sigma<span class=\"synStatement\">=<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">,<\/span> dist<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"zdist\"<\/span><span class=\"synSpecial\">,<\/span> testcall<span class=\"synStatement\">=<\/span><span class=\"synConstant\">\"SU\"<\/span><span class=\"synSpecial\">)<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in each treatment groups`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">4<\/span>\n<span class=\"synSpecial\">$<\/span>`least sample size required in the control group`\n<span class=\"synSpecial\">&#91;<\/span><span class=\"synConstant\">1<\/span><span class=\"synSpecial\">]<\/span> <span class=\"synConstant\">6<\/span>\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u3092\u884c\u3046\u8a66\u9a13\u30c7\u30b6\u30a4\u30f3\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u793a\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001Liu W 1997\u8ad6\u6587\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u8868\u306e\u4e00\u90e8\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u3059\u3079\u3066\u306e\u6761\u4ef6\u3092\u7db2\u7f85\u3057\u3066\u304a\u3089\u305a\u9650\u754c\u304c\u3042\u308b\u3002<\/p>\n\n\n\n<p>DunnettTests\u30d1\u30c3\u30b1\u30fc\u30b8\u306envDT()\u95a2\u6570\u3082\u5229\u7528\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u7247\u5074\u691c\u5b9a\u306a\u306e\u3067\u305d\u306e\u70b9\u6ce8\u610f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u53c2\u8003\u6587\u732e\">\u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0378375896001930\" target=\"_blank\" rel=\"noopener\">Liu W.<br>On sample size determination of Dunnett&#8217;s procedure<br>for comparing several treatments with a control.<\/a><\/p>\n\n\n\n<p>\u6c38\u7530 \u9756 \u30c0\u30cd\u30c3\u30c8\u306e\u65b9\u6cd5\u306b\u304a\u3051\u308b\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306e\u6c7a\u3081\u65b9\u306b\u3064\u3044\u3066 \u533b\u85ac\u5b89\u5168\u6027\u7814\u7a76\u4f1a \u4f1a\u5831 2005;50(May):51-59.<\/p>\n\n\n\n<p><a href=\"https:\/\/cran.r-project.org\/web\/packages\/DunnettTests\/DunnettTests.pdf\" target=\"_blank\" rel=\"noopener\">Package &#8216;DunnettTests&#8217;<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.tandfonline.com\/doi\/abs\/10.1080\/01621459.1992.10475188\" target=\"_blank\" rel=\"noopener\">A Step-Up Multiple Test Procedure<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30c0\u30cd\u30c3\u30c8\u691c\u5b9a\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u8a08\u7b97\u3092 R \u3067\u884c\u3046\u65b9\u6cd5<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5,30,16,49],"tags":[],"class_list":["post-511","post","type-post","status-publish","format-standard","hentry","category-r","category-30","category-16","category-49"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/comments?post=511"}],"version-history":[{"count":3,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/511\/revisions"}],"predecessor-version":[{"id":3140,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/511\/revisions\/3140"}],"wp:attachment":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/media?parent=511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/categories?post=511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/tags?post=511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}