{"id":1556,"date":"2023-07-25T21:54:02","date_gmt":"2023-07-25T21:54:02","guid":{"rendered":"https:\/\/statorials.org\/id\/kemunduran\/"},"modified":"2023-07-25T21:54:02","modified_gmt":"2023-07-25T21:54:02","slug":"kemunduran","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/kemunduran\/","title":{"rendered":"Apa itu regresi? (definisi &amp; contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Dalam statistik, <strong>regressor<\/strong> adalah nama yang diberikan kepada variabel apa pun dalam model regresi yang digunakan untuk memprediksi variabel respons.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Regresor disebut juga:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/variabel-tanggapan-penjelas\/\" target=\"_blank\" rel=\"noopener\">Variabel penjelas<\/a><\/span><\/li>\n<li> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/variabel-independen-vs-variabel-dependen\/\" target=\"_blank\" rel=\"noopener\">Variabel independen<\/a><\/span><\/li>\n<li> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/variabel-yang-dimanipulasi\/\" target=\"_blank\" rel=\"noopener\">Variabel yang dimanipulasi<\/a><\/span><\/li>\n<li> <span style=\"color: #000000;\">Prediksi variabel<\/span><\/li>\n<li> <span style=\"color: #000000;\">Sebuah karakteristik<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Semua istilah ini digunakan secara bergantian tergantung pada jenis bidang tempat Anda bekerja: statistik, pembelajaran mesin, ekonometrika, biologi, dll.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Catatan:<\/strong> Terkadang variabel respons disebut &#8220;dapat diregresi&#8221;.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Regressor dalam model regresi<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kebanyakan model regresi mengambil bentuk berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Y = \u03b2 <sub>0<\/sub> + B <sub>1<\/sub> x <sub>1<\/sub> + B <sub>2<\/sub> x <sub>2<\/sub> + B <sub>3<\/sub> x <sub>3<\/sub> + \u03b5<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Y :<\/strong> variabel respon<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u03b2 <sub>i<\/sub> :<\/strong> Koefisien untuk regresi<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>x <sub>i<\/sub> :<\/strong> Para regresi<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u03b5:<\/strong> Istilah kesalahan<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Inti dari membangun model regresi adalah untuk memahami bagaimana perubahan pada regressor menyebabkan perubahan pada variabel respon (atau \u201cregressor\u201d).<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa model regresi dapat memiliki satu atau lebih regresi.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika hanya terdapat satu regressor maka model tersebut disebut <a href=\"https:\/\/statorials.org\/id\/regresi-linier-1\/\" target=\"_blank\" rel=\"noopener\">model regresi linier sederhana<\/a> dan bila terdapat banyak regressor maka model tersebut disebut <a href=\"https:\/\/statorials.org\/id\/regresi-linier-berganda\/\" target=\"_blank\" rel=\"noopener\">model regresi linier berganda<\/a> untuk menunjukkan adanya <em>beberapa<\/em> regressor.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut mengilustrasikan cara menafsirkan regresi dalam model regresi yang berbeda.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Hasil panen<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan seorang petani ingin memahami faktor-faktor yang mempengaruhi hasil panen total (dalam pon). Ini mengumpulkan data dan membangun model regresi berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Hasil panen = 154,34 + 3,56*(pon pupuk) + 1,89*(pon tanah)<\/span><\/p>\n<p> <span style=\"color: #000000;\">Model ini memiliki dua regressor: Pupuk dan Tanah.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Berikut cara menafsirkan kedua regressor ini:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Pupuk:<\/strong> Untuk setiap tambahan pon pupuk yang digunakan, hasil panen meningkat rata-rata 3,56 pon, dengan asumsi jumlah tanah tetap konstan.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Tanah:<\/strong> Untuk setiap tambahan pon tanah yang digunakan, hasil panen meningkat rata-rata 1,89 pon, dengan asumsi jumlah pupuk tetap.<\/span> <\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-15409 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/regresseur1.png\" alt=\"Contoh Regresor\" width=\"586\" height=\"272\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Hasil ujian<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan seorang profesor ingin memahami bagaimana jumlah jam belajar mempengaruhi nilai ujian. Ini mengumpulkan data dan membangun model regresi berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nilai ujian = 68,34 + 3,44* (jam belajar)<\/span><\/p>\n<p> <span style=\"color: #000000;\">Model ini mencakup regresi: jam belajar. Kami menafsirkan koefisien regresi ini berarti bahwa untuk setiap tambahan jam belajar, nilai ujian meningkat rata-rata 3,44 poin.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-15410 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/regresseur2.png\" alt=\"Regresor vs regresor\" width=\"618\" height=\"154\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/id\/bagaimana-menafsirkan-koefisien-regresi\/\" target=\"_blank\" rel=\"noopener\">Bagaimana menafsirkan koefisien regresi<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/uji-signifikansi-kemiringan-regresi\/\" target=\"_blank\" rel=\"noopener\">Cara Menguji Signifikansi Kemiringan Regresi<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/membaca-tabel-interpretasi-regresi\/\" target=\"_blank\" rel=\"noopener\">Cara Membaca dan Menafsirkan Tabel Regresi<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dalam statistik, regressor adalah nama yang diberikan kepada variabel apa pun dalam model regresi yang digunakan untuk memprediksi variabel respons. Regresor disebut juga: Variabel penjelas Variabel independen Variabel yang dimanipulasi Prediksi variabel Sebuah karakteristik Semua istilah ini digunakan secara bergantian tergantung pada jenis bidang tempat Anda bekerja: statistik, pembelajaran mesin, ekonometrika, biologi, dll. Catatan: Terkadang [&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>Apa itu regresi? 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