{"id":4428,"date":"2023-07-11T04:37:05","date_gmt":"2023-07-11T04:37:05","guid":{"rendered":"https:\/\/statorials.org\/id\/begitulah\/"},"modified":"2023-07-11T04:37:05","modified_gmt":"2023-07-11T04:37:05","slug":"begitulah","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/begitulah\/","title":{"rendered":"Cara menghitung rmse di sas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Salah satu cara untuk mengevaluasi seberapa cocok model regresi dengan kumpulan data adalah dengan menghitung <strong>mean squared error<\/strong> , yaitu metrik yang memberi tahu kita jarak rata-rata antara nilai prediksi model dan nilai sebenarnya dari kumpulan data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Semakin rendah RMSE, semakin baik model tertentu mampu \u201cmenyesuaikan\u201d kumpulan data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rumus untuk mencari mean square error yang sering disingkat <strong>RMSE<\/strong> adalah:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>RMSE =<\/strong> \u221a <span style=\"border-top: 1px solid black;\">\u03a3(P <sub>saya<\/sub> \u2013 O <sub>saya<\/sub> ) <sup>2<\/sup> \/ n<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u03a3 adalah simbol yang melambangkan \u201cjumlah\u201d<\/span><\/li>\n<li> <span style=\"color: #000000;\">P <sub>i<\/sub> adalah nilai prediksi observasi <sup>ke-i<\/sup> dalam dataset<\/span><\/li>\n<li> <span style=\"color: #000000;\">O <sub>i<\/sub> adalah nilai observasi untuk observasi <sup>ke-i<\/sup> dalam kumpulan data<\/span><\/li>\n<li> <span style=\"color: #000000;\">n adalah ukuran sampel<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Contoh langkah demi langkah berikut menunjukkan cara menghitung RMSE untuk model regresi linier sederhana di SAS.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><b>Langkah 1: Buat datanya<\/b><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Untuk contoh ini, kita akan membuat dataset yang berisi jumlah jam belajar dan nilai ujian akhir 15 siswa.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kami akan menyesuaikan model regresi linier sederhana dengan menggunakan <em>jam<\/em> sebagai variabel prediktor dan <em>skor<\/em> sebagai variabel respon.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara membuat kumpulan data ini di SAS:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #800080;\">data<\/span> exam_data;\n    <span style=\"color: #3366ff;\">input<\/span> hours score;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n1 64\n2 66\n4 76\n5 73\n5 74\n6 81\n6 83\n7 82\n8 80\n10 88\n11 84\n11 82\n12 91\n12 93\n14 89\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =exam_data;\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22743 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/simplesas1.jpg\" alt=\"\" width=\"143\" height=\"367\" srcset=\"\" sizes=\"\"><\/p>\n<h2> <span style=\"color: #000000;\"><b>Langkah 2: Sesuaikan model regresi linier sederhana<\/b><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Selanjutnya, kita akan menggunakan <strong>proc reg<\/strong> agar sesuai dengan model regresi linier sederhana:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*fit simple linear regression model*\/\n<\/span><span style=\"color: #800080;\">proc reg<\/span> <span style=\"color: #3366ff;\">data<\/span> =exam_data;\n    <span style=\"color: #3366ff;\">model<\/span> score = hours;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-22744\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/simplesas2.jpg\" alt=\"keluaran regresi linier sederhana di SAS\" width=\"416\" height=\"501\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa RMSE pada keluarannya adalah <strong>3.64093<\/strong> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Langkah 3: Ekstrak RMSE dari model regresi<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Jika Anda hanya ingin menampilkan RMSE model ini dan tidak ada hasil keluaran lainnya, Anda dapat menggunakan kode berikut:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*fit simple linear regression model*\/<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">\nproc reg<\/span> <span style=\"color: #3366ff;\">data<\/span> =exam_data <span style=\"color: #3366ff;\">outest<\/span> =outest <span style=\"color: #3366ff;\">noprint<\/span> ;\n    <span style=\"color: #3366ff;\">model<\/span> score = hours \/ <span style=\"color: #3366ff;\">rmse<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*print RMSE of model*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =outest;\n    <span style=\"color: #3366ff;\">var<\/span> _RMSE_;\n<span style=\"color: #800080;\">run<\/span> ;<\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-34702\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/rmse11.png\" alt=\"Hitung RMSE di SAS\" width=\"182\" height=\"96\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa hanya nilai RMSE <b>3,64093<\/b> yang ditampilkan di output.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Catatan<\/strong> : Argumen <strong>noprint<\/strong> di <strong>proc reg<\/strong> memberitahu SAS untuk tidak mencetak seluruh output hasil regresi seperti yang dilakukan pada langkah sebelumnya.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tugas umum lainnya di SAS:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/regresi-linier-sederhana-di-sas\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi linier sederhana di SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/regresi-linier-berganda-di-sas\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi linier berganda di SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/regresi-polinomial-di-sas\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi polinomial di SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/regresi-logistik-di-airlock\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi logistik di SAS<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Salah satu cara untuk mengevaluasi seberapa cocok model regresi dengan kumpulan data adalah dengan menghitung mean squared error , yaitu metrik yang memberi tahu kita jarak rata-rata antara nilai prediksi model dan nilai sebenarnya dari kumpulan data. Semakin rendah RMSE, semakin baik model tertentu mampu \u201cmenyesuaikan\u201d kumpulan data. Rumus untuk mencari mean square error yang [&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 RMSE di SAS - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung RMSE di SAS, dengan sebuah 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\/begitulah\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menghitung RMSE di SAS - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung RMSE di SAS, dengan sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/begitulah\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-11T04:37:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/simplesas1.jpg\" \/>\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\/begitulah\/\",\"url\":\"https:\/\/statorials.org\/id\/begitulah\/\",\"name\":\"Cara menghitung RMSE di SAS - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-11T04:37:05+00:00\",\"dateModified\":\"2023-07-11T04:37:05+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung RMSE di SAS, dengan sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/begitulah\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/begitulah\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/begitulah\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung rmse di sas\"}]},{\"@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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