{"id":924,"date":"2023-07-28T07:27:33","date_gmt":"2023-07-28T07:27:33","guid":{"rendered":"https:\/\/statorials.org\/id\/t-nilai-kritis-r\/"},"modified":"2023-07-28T07:27:33","modified_gmt":"2023-07-28T07:27:33","slug":"t-nilai-kritis-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/t-nilai-kritis-r\/","title":{"rendered":"Cara mencari nilai kritis di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Setiap kali Anda melakukan uji-t, Anda mendapatkan statistik uji. Untuk menentukan apakah hasil uji-t signifikan secara statistik, Anda dapat membandingkan statistik uji tersebut dengan <strong>nilai t kritis<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika nilai absolut statistik uji lebih besar dari nilai kritis t, maka hasil pengujian signifikan secara statistik.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nilai kritis t dapat dicari dengan menggunakan tabel distribusi t atau menggunakan software statistik.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk mencari nilai kritis t, Anda harus menentukan:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Tingkat signifikansi (pilihan umum adalah 0,01, 0,05, dan 0,10)<\/span><\/li>\n<li> <span style=\"color: #000000;\">Derajat kebebasan<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dengan menggunakan kedua nilai ini, Anda dapat menentukan nilai t kritis untuk dibandingkan dengan statistik uji.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Cara mencari nilai kritis T di R<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Untuk mencari nilai kritis T di R, Anda dapat menggunakan fungsi qt()<\/span> <span style=\"color: #000000;\">, yang menggunakan sintaks berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>qt(p, df, bawah.ekor=BENAR)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>p :<\/strong> Tingkat signifikansi untuk digunakan<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>df<\/strong> : Derajat kebebasan<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>lower.tail:<\/strong> Jika TRUE, probabilitas kiri <strong>p<\/strong> dalam distribusi t dikembalikan. Jika FALSE, probabilitas ke kanan dikembalikan. Standarnya adalah BENAR.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Contoh berikut mengilustrasikan cara mencari nilai t kritis untuk pengujian sisi kiri, pengujian sisi kanan, dan pengujian dua sisi.<\/span><\/p>\n<h3> <strong>Tes kiri<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin mencari nilai t kritis untuk uji kiri dengan tingkat signifikansi 0,05 dan derajat kebebasan = 22:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find t critical value<\/span>\nqt(p=.05, df=22, lower.tail= <span style=\"color: #008000;\">TRUE<\/span> )\n\n[1] -1.717144\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nilai kritis t adalah <strong>-1.7171<\/strong> . Jadi, jika statistik pengujian kurang dari nilai tersebut, maka hasil pengujian tersebut signifikan secara statistik.<\/span><\/p>\n<h3> <strong>Tes yang benar<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin mencari nilai t kritis untuk uji ekstrim kanan dengan tingkat signifikansi 0,05 dan derajat kebebasan = 22:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find t critical value\n<\/span>qt(p=.05, df=22, lower.tail= <span style=\"color: #008000;\">FALSE<\/span> )\n\n[1] 1.717144 \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nilai kritis t adalah <strong>1,7171<\/strong> . Jadi, jika statistik pengujian lebih besar dari nilai tersebut, maka hasil pengujian tersebut signifikan secara statistik.<\/span><\/p>\n<h3> <strong>Tes dua sisi<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin mencari nilai t kritis untuk pengujian dua sisi dengan tingkat signifikansi 0,05 dan derajat kebebasan = 22:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find two-tailed t critical values<\/span>\nqt(p=.05\/2, df=22, lower.tail= <span style=\"color: #008000;\">FALSE<\/span> )\n\n[1] 2.073873\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Setiap kali Anda melakukan pengujian dua sisi, akan ada dua nilai kritis. Dalam hal ini nilai kritis T adalah <strong>2.0739<\/strong> dan <strong>-2.0739<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jadi, jika statistik pengujian lebih kecil dari -2,0739 atau lebih besar dari 2,0739, maka hasil pengujian tersebut signifikan secara statistik.<\/span><\/p>\n<div class=\"entry-content entry-content-single\" data-content-ads-inserted=\"true\">\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\"><i><span style=\"color: #000000;\">Anda dapat menemukan lebih banyak tutorial R<\/span> di sini .<\/i><\/span><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Setiap kali Anda melakukan uji-t, Anda mendapatkan statistik uji. Untuk menentukan apakah hasil uji-t signifikan secara statistik, Anda dapat membandingkan statistik uji tersebut dengan nilai t kritis . Jika nilai absolut statistik uji lebih besar dari nilai kritis t, maka hasil pengujian signifikan secara statistik. Nilai kritis t dapat dicari dengan menggunakan tabel distribusi t [&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 mencari nilai kritis di R - Statorials<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana cara mencari nilai kritis t pada R, disertai beberapa contoh.\" \/>\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\/t-nilai-kritis-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara mencari nilai kritis di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana cara mencari nilai kritis t pada R, disertai beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/t-nilai-kritis-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T07:27:33+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\/t-nilai-kritis-r\/\",\"url\":\"https:\/\/statorials.org\/id\/t-nilai-kritis-r\/\",\"name\":\"Cara mencari nilai kritis di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-28T07:27:33+00:00\",\"dateModified\":\"2023-07-28T07:27:33+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana cara mencari nilai kritis t pada R, disertai beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/t-nilai-kritis-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/t-nilai-kritis-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/t-nilai-kritis-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara mencari nilai kritis 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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