{"id":504,"date":"2023-07-29T16:49:12","date_gmt":"2023-07-29T16:49:12","guid":{"rendered":"https:\/\/statorials.org\/id\/abline-di-sungai\/"},"modified":"2023-07-29T16:49:12","modified_gmt":"2023-07-29T16:49:12","slug":"abline-di-sungai","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/abline-di-sungai\/","title":{"rendered":"Cara menggunakan aline() di r untuk menambahkan garis lurus ke plot"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Fungsi <strong>abline()<\/strong> di R dapat digunakan untuk menambahkan satu atau lebih garis lurus ke plot di R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fungsi ini menggunakan sintaks berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>abline(a=NULL, b=NULL, h=NULL, v=NULL, \u2026)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>a, b:<\/strong> nilai unik yang menentukan asal dan kemiringan garis<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>h :<\/strong> nilai y untuk garis horizontal<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>v :<\/strong> nilai x untuk garis vertikal<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Bagaimana cara menambahkan garis horizontal<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kode dasar untuk menambahkan garis horizontal ke plot di R adalah: <strong>abline(h = beberapa nilai)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki diagram sebar berikut yang menampilkan nilai <em>x<\/em> dan <em>y<\/em> dalam kumpulan data:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define dataset\n<\/span>data &lt;- data.frame(x = c(1, 1, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 10, 11, 11),\n                   y = c(13, 14, 17, 12, 23, 24, 25, 25, 24, 28, 32, 33, 35, 40, 41))\n\n<span style=\"color: #008080;\">#plot <em>x<\/em> and <em>y<\/em> values in dataset\n<\/span>plot(data$x, data$y, pch = 16)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Untuk menambahkan garis horizontal pada nilai y = 20, kita dapat menggunakan kode berikut:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>abline(h = 20, col = 'coral2', lwd = 2)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kode berikut mengilustrasikan cara menambahkan garis horizontal padat pada nilai rata-rata <em>y<\/em> dan dua garis putus-putus horizontal satu standar deviasi di atas dan di bawah nilai rata-rata:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create scatterplot for <em>x<\/em> and <em>y<\/em><\/span>\nplot(data$x, data$y, pch = 16)\n\n<span style=\"color: #008080;\">#create horizontal line at mean value of <em>y<\/em>\n<\/span>abline(h = mean(data$y), lwd = 2)\n\n<span style=\"color: #008080;\">#create horizontal lines at one standard deviation above and below the mean value\n<\/span>abline(h = mean(data$y) + sd(data$y), col = 'steelblue', lwd = 3, lty = 2)\nabline(h = mean(data$y) - sd(data$y), col = 'steelblue', lwd = 3, lty = 2)<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Cara menambahkan garis vertikal<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kode dasar untuk menambahkan garis vertikal ke plot di R adalah: <strong>abline(v = beberapa nilai)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menambahkan garis vertikal ke nilai rata-rata pada histogram:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#make this example reproducible\n<\/span>set.seed(0)\n\n<span style=\"color: #008080;\">#create dataset with 1000 random values normally distributed with mean = 10, sd = 2\n<\/span>data &lt;- rnorm(1000, mean = 10, sd = 2)\n\n<span style=\"color: #008080;\">#create histogram of data values\n<\/span>hist(data, col = 'steelblue')\n\n<span style=\"color: #008080;\">#draw a vertical dashed line at the mean value\n<\/span>abline(v = mean(data), lwd = 3, lty = 2)<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Bagaimana cara menambahkan garis regresi<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kode dasar untuk menambahkan garis regresi linier sederhana ke plot di R adalah: <strong>abline(model)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menambahkan garis regresi linier yang sesuai ke plot sebar:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define dataset\n<\/span>data &lt;- data.frame(x = c(1, 1, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 10, 11, 11),\n                   y = c(13, 14, 17, 12, 23, 24, 25, 25, 24, 28, 32, 33, 35, 40, 41))\n\n<span style=\"color: #008080;\">#create scatterplot of <em>x<\/em> and <em>y<\/em> values\n<\/span>plot(data$x, data$y, pch = 16)\n\n<span style=\"color: #008080;\">#fit a linear regression model to the data\n<\/span>reg_model &lt;- lm(y ~ x, data = data)\n\n<span style=\"color: #008080;\">#add the fitted regression line to the scatterplot\n<\/span>abline(reg_model, col=\"steelblue\")<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa kita hanya memerlukan nilai intersep dan kemiringan agar sesuai dengan garis regresi linier sederhana ke data menggunakan fungsi abline().<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jadi, cara lain menggunakan <strong>abline()<\/strong> untuk menambahkan garis regresi adalah dengan secara eksplisit menentukan koefisien asli dan koefisien kemiringan model regresi:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define dataset\n<\/span>data &lt;- data.frame(x = c(1, 1, 2, 3, 4, 4, 5, 6, 7, 7, 8, 9, 10, 11, 11),\n                   y = c(13, 14, 17, 12, 23, 24, 25, 25, 24, 28, 32, 33, 35, 40, 41))\n\n<span style=\"color: #008080;\">#create scatterplot of <em>x<\/em> and <em>y<\/em> values\n<\/span>plot(data$x, data$y, pch = 16)\n\n<span style=\"color: #008080;\">#fit a linear regression model to the data\n<\/span>reg_model &lt;- lm(y ~ x, data = data)\n\n<span style=\"color: #008080;\">#define intercept and slope values\n<\/span>a &lt;- coefficients(reg_model)[1] <span style=\"color: #008080;\">#intercept<\/span>\nb &lt;- coefficients(reg_model)[2] <span style=\"color: #008080;\">#slope<\/span>\n\n<span style=\"color: #008080;\">#add the fitted regression line to the scatterplot\n<\/span>abline(a=a, b=b, col=\"steelblue\")<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa ini menghasilkan baris yang sama seperti sebelumnya.<\/span><\/p>\n<hr>\n<p> <span style=\"color: #000000;\">Anda dapat menemukan lebih banyak tutorial R di halaman ini .<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fungsi abline() di R dapat digunakan untuk menambahkan satu atau lebih garis lurus ke plot di R. Fungsi ini menggunakan sintaks berikut: abline(a=NULL, b=NULL, h=NULL, v=NULL, \u2026) Emas: a, b: nilai unik yang menentukan asal dan kemiringan garis h : nilai y untuk garis horizontal v : nilai x untuk garis vertikal Contoh berikut menunjukkan [&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 menggunakan abline() di R untuk menambahkan garis lurus ke plot - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi abline() di R untuk menambahkan satu atau lebih garis lurus ke jalur di R.\" \/>\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\/abline-di-sungai\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menggunakan abline() di R untuk menambahkan garis lurus ke plot - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi abline() di R untuk menambahkan satu atau lebih garis lurus ke jalur di R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/abline-di-sungai\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T16:49:12+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=\"3 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/abline-di-sungai\/\",\"url\":\"https:\/\/statorials.org\/id\/abline-di-sungai\/\",\"name\":\"Cara menggunakan abline() di R untuk menambahkan garis lurus ke plot - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-29T16:49:12+00:00\",\"dateModified\":\"2023-07-29T16:49:12+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi abline() di R untuk menambahkan satu atau lebih garis lurus ke jalur di R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/abline-di-sungai\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/abline-di-sungai\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/abline-di-sungai\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan aline() di r untuk menambahkan garis lurus ke plot\"}]},{\"@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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