{"id":674,"date":"2023-07-29T03:29:17","date_gmt":"2023-07-29T03:29:17","guid":{"rendered":"https:\/\/statorials.org\/id\/uji-tren-mann-kendall-r\/"},"modified":"2023-07-29T03:29:17","modified_gmt":"2023-07-29T03:29:17","slug":"uji-tren-mann-kendall-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/uji-tren-mann-kendall-r\/","title":{"rendered":"Cara melakukan uji tren mann-kendall di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Uji tren Mann-Kendall<\/strong> digunakan untuk mengetahui ada atau tidaknya tren pada data deret waktu. Ini adalah uji non-parametrik, artinya tidak ada asumsi mendasar yang dibuat mengenai normalitas data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Hipotesis pengujiannya adalah sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>0<\/sub> (hipotesis nol):<\/strong> tidak ada tren dalam data.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>A<\/sub> (hipotesis alternatif):<\/strong> Ada tren dalam data. (Ini bisa menjadi tren positif atau negatif)<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika nilai p pengujian berada di bawah tingkat signifikansi tertentu (pilihan umum adalah 0,10, 0,05, dan 0,01), maka terdapat bukti signifikan secara statistik bahwa terdapat tren dalam data dari rangkaian waktu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini menjelaskan cara melakukan uji tren Mann-Kendall di R.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Uji tren Mann-Kendall di R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Untuk melakukan uji tren Mann-Kendall di R, kita akan menggunakan fungsi <strong>MannKendall()<\/strong> dari perpustakaan <strong>Kendall<\/strong> , yang menggunakan sintaks berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>MannKendall(x)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> = vektor data, seringkali berupa deret waktu<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Untuk mengilustrasikan cara melakukan pengujian, kami akan menggunakan kumpulan data <strong>PrecipGL<\/strong> bawaan Perpustakaan <strong>Kendall<\/strong> , yang berisi informasi curah hujan tahunan untuk semua Great Lakes dari tahun 1900 hingga 1986:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load Kendall library and PrecipGL dataset<\/span>\nlibrary(Kendall)\ndata(PrecipGL)\n\n<span style=\"color: #008080;\">#view dataset<\/span>\nPrecipGL\n\nTime Series:\nStart = 1900 \nEnd = 1986 \nFrequency = 1 \n[1] 31.69 29.77 31.70 33.06 31.31 32.72 31.18 29.90 29.17 31.48 28.11 32.61\n[13] 31.31 30.96 28.40 30.68 33.67 28.65 30.62 30.21 28.79 30.92 30.92 28.13\n[25] 30.51 27.63 34.80 32.10 33.86 32.33 25.69 30.60 32.85 30.31 27.71 30.34\n[37] 29.14 33.41 33.51 29.90 32.69 32.34 35.01 33.05 31.15 36.36 29.83 33.70\n[49] 29.81 32.41 35.90 37.45 30.39 31.15 35.75 31.14 30.06 32.40 28.44 36.38\n[61] 31.73 31.27 28.51 26.01 31.27 35.57 30.85 33.35 35.82 31.78 34.25 31.43\n[73] 35.97 33.87 28.94 34.62 31.06 38.84 32.25 35.86 32.93 32.69 34.39 33.97\n[85] 32.15 40.16 36.32\nattr(,\"title\")\n[1] Annual precipitation, 1900-1986, Entire Great Lakes\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Untuk melihat apakah ada tren pada data, kita dapat melakukan uji tren Mann-Kendall:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#Perform the Mann-Kendall Trend Test<\/span>\nMannKendall(PrecipGL)\n\ntau = 0.265, 2-sided pvalue = 0.00029206\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Statistik ujinya adalah <strong>0,265<\/strong> dan nilai p dua sisi yang sesuai adalah <strong>0,00029206<\/strong> . Karena nilai p ini kurang dari 0,05, kami akan menolak hipotesis nol dari pengujian tersebut dan menyimpulkan bahwa terdapat tren dalam data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk memvisualisasikan tren, kita dapat membuat plot waktu curah hujan tahunan per tahun dan menambahkan garis halus untuk mewakili tren tersebut:<\/span> <\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#Plot the time series data<\/span>\nplot(PrecipGL)\n\n<span style=\"color: #008080;\">#Add a smooth line to visualize the trend<\/span> \nlines(lowess(time(PrecipGL),PrecipGL), col='blue')\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6485 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannkendall1.png\" alt=\"Bagan deret waktu dengan garis halus\" width=\"414\" height=\"380\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa kita juga dapat melakukan uji tren Mann-Kendall yang disesuaikan secara musiman untuk memperhitungkan setiap musiman dalam data menggunakan perintah <strong>SeasonalMannKendall(x)<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#Perform a seasonally-adjusted Mann-Kendall Trend Test<\/span>\nSeasonalMannKendall(PrecipGL)\n\ntau = 0.265, 2-sided pvalue = 0.00028797\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Statistik ujinya adalah <strong>0,265<\/strong> dan nilai p dua sisi yang sesuai adalah <strong>0,00028797<\/strong> . Sekali lagi nilai p ini kurang dari 0,05, jadi kami akan menolak hipotesis nol dari pengujian tersebut dan menyimpulkan bahwa terdapat tren dalam data.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uji tren Mann-Kendall digunakan untuk mengetahui ada atau tidaknya tren pada data deret waktu. Ini adalah uji non-parametrik, artinya tidak ada asumsi mendasar yang dibuat mengenai normalitas data. Hipotesis pengujiannya adalah sebagai berikut: H 0 (hipotesis nol): tidak ada tren dalam data. H A (hipotesis alternatif): Ada tren dalam data. (Ini bisa menjadi tren positif [&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 uji tren Mann-Kendall di R - Statorials<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana tentang cara melakukan uji tren Mann-Kendall di R, termasuk contoh langkah demi langkah.\" \/>\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\/uji-tren-mann-kendall-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara melakukan uji tren Mann-Kendall di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana tentang cara melakukan uji tren Mann-Kendall di R, termasuk contoh langkah demi langkah.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/uji-tren-mann-kendall-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T03:29:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannkendall1.png\" \/>\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\/uji-tren-mann-kendall-r\/\",\"url\":\"https:\/\/statorials.org\/id\/uji-tren-mann-kendall-r\/\",\"name\":\"Cara melakukan uji tren Mann-Kendall di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-29T03:29:17+00:00\",\"dateModified\":\"2023-07-29T03:29:17+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana tentang cara melakukan uji tren Mann-Kendall di R, termasuk contoh langkah demi langkah.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/uji-tren-mann-kendall-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/uji-tren-mann-kendall-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/uji-tren-mann-kendall-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara melakukan uji tren mann-kendall 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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