{"id":683,"date":"2023-07-29T02:48:26","date_gmt":"2023-07-29T02:48:26","guid":{"rendered":"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/"},"modified":"2023-07-29T02:48:26","modified_gmt":"2023-07-29T02:48:26","slug":"cara-menghitung-mse-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/","title":{"rendered":"Cara menghitung umk di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Salah satu metrik yang paling umum digunakan untuk mengukur akurasi prediksi model adalah <strong>MSE<\/strong> , yang merupakan singkatan dari <strong>mean square error<\/strong> . Ini dihitung sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>MSE<\/strong> = (1\/n) * \u03a3(aktual \u2013 prediksi) <sup>2<\/sup><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\u03a3<\/strong> \u2013 simbol mewah yang berarti \u201cjumlah\u201d<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>n<\/strong> \u2013 ukuran sampel<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>nyata<\/strong> \u2013 nilai sebenarnya dari data<\/span><\/li>\n<li> <span style=\"color: #000000;\"><b>prediksi<\/b> \u2013 nilai data yang diprediksi<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Semakin rendah nilai MSE, semakin akurat suatu model dalam memprediksi nilai.<\/span><\/p>\n<h2> <strong>Cara menghitung UMK di R<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Bergantung pada format data Anda, ada dua metode sederhana yang dapat Anda gunakan untuk menghitung MSE model regresi di R.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Metode 1: Hitung UMK dari model regresi<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Dalam satu skenario, Anda mungkin memiliki model regresi yang sesuai dan hanya ingin menghitung MSE model tersebut. Misalnya, Anda mungkin memiliki model regresi berikut:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load mtcars dataset<\/span>\ndata(mtcars)\n\n<span style=\"color: #008080;\">#fit regression model<\/span>\nmodel &lt;- lm(mpg~disp+hp, data=mtcars)\n\n<span style=\"color: #008080;\">#get model summary\n<\/span>model_summ &lt;-summary(model)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Untuk menghitung UMK model ini, Anda dapat menggunakan rumus berikut:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate MSE<\/span>\nmean(model_summ$residuals^2)\n\n[1] 8.85917<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ini memberitahu kita bahwa MSE adalah <strong>8.85917<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Metode 2: Hitung MSE dari daftar nilai prediksi dan aktual<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Dalam skenario lain, Anda mungkin hanya memiliki daftar nilai prediksi dan nilai aktual. Misalnya:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame with a column of actual values and a column of predicted values<\/span>\ndata &lt;- data.frame(pred = predict(model), actual = mtcars$mpg)\n\n<span style=\"color: #008080;\">#view first six lines of data<\/span>\nhead(data)\n\n                      pred actual\nMazda RX4 23.14809 21.0\nMazda RX4 Wag 23.14809 21.0\nDatsun 710 25.14838 22.8\nHornet 4 Drive 20.17416 21.4\nHornet Sportabout 15.46423 18.7\nValiant 21.29978 18.1\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dalam hal ini, Anda dapat menggunakan rumus berikut untuk menghitung UMK:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate MSE<\/span>\nmean((data$actual - data$pred)^2)\n\n[1] 8.85917<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ini memberitahu kita bahwa MSE-nya adalah <strong>8.85917<\/strong> , yang cocok dengan MSE yang kita hitung menggunakan metode sebelumnya.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Salah satu metrik yang paling umum digunakan untuk mengukur akurasi prediksi model adalah MSE , yang merupakan singkatan dari mean square error . Ini dihitung sebagai berikut: MSE = (1\/n) * \u03a3(aktual \u2013 prediksi) 2 Emas: \u03a3 \u2013 simbol mewah yang berarti \u201cjumlah\u201d n \u2013 ukuran sampel nyata \u2013 nilai sebenarnya dari data prediksi \u2013 [&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 menghitung MSE di R - Statorials<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana cara menghitung UMK beserta beberapa contohnya.\" \/>\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\/cara-menghitung-mse-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menghitung MSE di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana cara menghitung UMK beserta beberapa contohnya.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T02:48:26+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=\"1 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/\",\"name\":\"Cara menghitung MSE di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-29T02:48:26+00:00\",\"dateModified\":\"2023-07-29T02:48:26+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana cara menghitung UMK beserta beberapa contohnya.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/cara-menghitung-mse-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung umk 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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