{"id":1051,"date":"2023-07-27T20:35:01","date_gmt":"2023-07-27T20:35:01","guid":{"rendered":"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/"},"modified":"2023-07-27T20:35:01","modified_gmt":"2023-07-27T20:35:01","slug":"tes-dunns-di-sungai","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/","title":{"rendered":"Bagaimana melakukan tes dunn di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/uji-kruskal-wallis\/\" target=\"_blank\" rel=\"noopener noreferrer\">Uji Kruskal-Wallis<\/a> digunakan untuk menentukan apakah terdapat perbedaan yang signifikan secara statistik antara median tiga atau lebih kelompok independen. Ini dianggap setara nonparametrik dari <a href=\"https:\/\/statorials.org\/id\/anova-satu-arah\/\" target=\"_blank\" rel=\"noopener noreferrer\">ANOVA satu arah<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika hasil uji Kruskal-Wallis signifikan secara statistik, maka <a href=\"https:\/\/statorials.org\/id\/tes-tak-tahu\/\" target=\"_blank\" rel=\"noopener noreferrer\">uji Dunn<\/a> sebaiknya dilakukan untuk menentukan secara pasti kelompok mana yang berbeda.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini menjelaskan cara melakukan tes Dunn di R.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Tes Dunn di R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Seorang peneliti ingin mengetahui apakah ketiga obat memiliki efek berbeda terhadap sakit punggung. Jadi dia merekrut 30 orang yang semuanya menderita nyeri punggung serupa dan secara acak membagi mereka menjadi tiga kelompok untuk menerima obat A, obat B, atau obat C. Sebulan setelah meminum obat tersebut, peneliti meminta setiap individu untuk menilai nyeri punggung mereka berdasarkan skala 1 sampai 100, dengan 100 menunjukkan nyeri paling parah.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Peneliti melakukan uji Kruskal-Wallis menggunakan tingkat signifikansi 0,05 untuk menentukan apakah terdapat perbedaan yang signifikan secara statistik antara median peringkat nyeri punggung pada ketiga kelompok ini.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara membuat bingkai data di R dan melakukan pengujian Kruskal-Wallis:<\/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(drug = rep(c(\"A\", \"B\", \"C\"), each = 10),\n                   bread = c(runif(10, 40, 60),\n                            runif(10, 45, 65),\n                            runif(10, 55, 70)))<\/span>\n\n#view first six rows of data frame\n<span style=\"color: #000000;\">head(data)\n<\/span>\n<span style=\"color: #000000;\"># drug pain\n#1 A 57.93394\n#2 A 45.31017\n#3 A 47.44248\n#4 A 51.45707\n#5 A 58.16416\n#6 A 44.03364\n\n<span style=\"color: #008080;\">#perform Kruskal-Wallis Test<\/span>\nkruskal.test(pain ~ drug, data = data)\n\n\tKruskal-Wallis rank sum test\n\ndata: pain by drug\nKruskal-Wallis chi-squared = 11.105, df = 2, p-value = 0.003879\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Karena nilai p keseluruhan ( <strong>0,003879<\/strong> ) kurang dari 0,05, ini berarti terdapat perbedaan yang signifikan secara statistik dalam tingkat nyeri yang dilaporkan antara ketiga obat. Jadi kita dapat melakukan uji Dunn untuk menentukan obat mana yang berbeda.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara melakukan pengujian Dunn di R menggunakan fungsi <a href=\"https:\/\/www.rdocumentation.org\/packages\/FSA\/versions\/0.8.30\/topics\/dunnTest\" target=\"_blank\" rel=\"noopener noreferrer\">dunnTest()<\/a> dari pustaka <strong>FSA()<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#loadlibrary\n<span style=\"color: #000000;\">library(FSA)\n\n<span style=\"color: #008080;\">#perform Dunn's Test with Bonferroni correction for p-values<\/span>\ndunnTest(pain ~ drug,\n         data=data,\n         method=\" <span style=\"color: #008000;\">bonferroni<\/span> \")\n\nDunn (1964) Kruskal-Wallis multiple comparison\n  p-values adjusted with the Bonferroni method.\n\n  Comparison Z P.unadj P.adj\n1 A - B -0.8890009 0.374002602 1.000000000\n2 A - C -3.2258032 0.001256197 0.003768591\n3 B - C -2.3368023 0.019449464 0.058348393<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa kami memilih untuk menggunakan koreksi Bonferroni untuk nilai p dari beberapa perbandingan, namun opsi lain yang memungkinkan meliputi:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u201csidak\u201d (penyesuaian sidak)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201cholm\u201d (penyesuaian holom)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201chs\u201d (penyesuaian Holm-Sidak)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201cbs\u201d (penyesuaian Bonferroni-Sidak)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201coleh\u201d (penyesuaian Benjamin-Yekuteili)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201cbh\u201d ( <a href=\"https:\/\/statorials.org\/id\/prosedur-benjamini-hochberg\/\" target=\"_blank\" rel=\"noopener noreferrer\">prosedur Benjamini-Hochberg<\/a> )<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Pada \u03b1 = 0,05, obat A dan C adalah dua obat yang secara statistik berbeda secara signifikan satu sama lain (nilai p yang disesuaikan = <strong>0,003768<\/strong> ).<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uji Kruskal-Wallis digunakan untuk menentukan apakah terdapat perbedaan yang signifikan secara statistik antara median tiga atau lebih kelompok independen. Ini dianggap setara nonparametrik dari ANOVA satu arah . Jika hasil uji Kruskal-Wallis signifikan secara statistik, maka uji Dunn sebaiknya dilakukan untuk menentukan secara pasti kelompok mana yang berbeda. Tutorial ini menjelaskan cara melakukan tes Dunn [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cara melakukan tes Dunn di R - Statorials<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana tentang cara melakukan uji Dunn untuk beberapa perbandingan di R.\" \/>\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\/id\/tes-dunns-di-sungai\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara melakukan tes Dunn di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana tentang cara melakukan uji Dunn untuk beberapa perbandingan di R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T20:35:01+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/\",\"url\":\"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/\",\"name\":\"Cara melakukan tes Dunn di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-27T20:35:01+00:00\",\"dateModified\":\"2023-07-27T20:35:01+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana tentang cara melakukan uji Dunn untuk beberapa perbandingan di R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/tes-dunns-di-sungai\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Bagaimana melakukan tes dunn di r\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/id\/#website\",\"url\":\"https:\/\/statorials.org\/id\/\",\"name\":\"Statorials\",\"description\":\"Panduan anda untuk kompetensi statistik!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/id\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"id\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Halo, saya Benjamin, pensiunan profesor statistika yang menjadi guru Statorial yang berdedikasi. 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