{"id":2452,"date":"2023-07-22T05:33:01","date_gmt":"2023-07-22T05:33:01","guid":{"rendered":"https:\/\/statorials.org\/id\/garis-yang-paling-cocok-di-r\/"},"modified":"2023-07-22T05:33:01","modified_gmt":"2023-07-22T05:33:01","slug":"garis-yang-paling-cocok-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/garis-yang-paling-cocok-di-r\/","title":{"rendered":"Cara menggambar garis yang paling cocok di r (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan salah satu metode berikut untuk menggambar garis yang paling sesuai di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Gambarkan garis yang paling sesuai di dasar R<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create scatter plot of x vs. y<\/span>\nplot(x, y)\n\n<span style=\"color: #008080;\">#add line of best fit to scatter plot\n<\/span>abline(lm(y ~ x))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Plot garis yang paling sesuai di ggplot2<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (ggplot2)<\/span>\n\n#create scatter plot with line of best fit<\/span>\nggplot(df, <span style=\"color: #0000ff;\">aes<\/span> (x=x, y=y)) +\n    geom_point() +\n    geom_smooth(method=lm, se= <span style=\"color: #008000;\">FALSE<\/span> )<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan masing-masing metode dalam praktik.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: menggambar garis yang paling sesuai dengan basis R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggambar garis yang paling sesuai untuk model regresi linier sederhana menggunakan basis R:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<span style=\"color: #000000;\">x &lt;- c(1, 2, 3, 4, 5, 6, 7, 8)\ny &lt;- c(2, 5, 6, 7, 9, 12, 16, 19)<\/span>\n\n#create scatter plot of x vs. y<\/span>\nplot(x, y)\n\n<span style=\"color: #008080;\">#add line of best fit to scatter plot\n<\/span>abline(lm(y ~ x))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-21946 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lignede1.png\" alt=\"\" width=\"426\" height=\"389\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Jangan ragu juga untuk memodifikasi gaya titik dan garis:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<span style=\"color: #000000;\">x &lt;- c(1, 2, 3, 4, 5, 6, 7, 8)\ny &lt;- c(2, 5, 6, 7, 9, 12, 16, 19)<\/span>\n\n#create scatter plot of x vs. y<\/span>\nplot(x, y, pch= <span style=\"color: #008000;\">16<\/span> , col=' <span style=\"color: #ff0000;\">red<\/span> ', cex= <span style=\"color: #008000;\">1.2<\/span> )\n\n<span style=\"color: #008080;\">#add line of best fit to scatter plot\n<\/span>abline(lm(y ~ x), col=' <span style=\"color: #ff0000;\">blue<\/span> ', lty=' <span style=\"color: #ff0000;\">dashed<\/span> ')<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-21947 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lignede2.png\" alt=\"\" width=\"427\" height=\"397\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Kita juga dapat menggunakan kode berikut untuk menghitung garis yang paling sesuai dengan cepat:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find regression model coefficients\n<span style=\"color: #000000;\">summary(lm(y ~ x))$coefficients\n\n              Estimate Std. Error t value Pr(&gt;|t|)\n(Intercept) -0.8928571 1.0047365 -0.888648 4.084029e-01\nx 2.3095238 0.1989675 11.607544 2.461303e-05<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Garis yang paling cocok adalah: <strong>y = -0.89 + 2.31x<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Membuat plot garis yang paling sesuai di ggplot2<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara memplot garis yang paling sesuai untuk model regresi linier sederhana menggunakan paket visualisasi data <a href=\"https:\/\/ggplot2.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">ggplot2<\/a> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (ggplot2)<\/span>\n\n#define data\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=c(1, 2, 3, 4, 5, 6, 7, 8),<\/span>\n<span style=\"color: #000000;\">y=c(2, 5, 6, 7, 9, 12, 16, 19))<\/span>\n\n#create scatter plot with line of best fit\n<span style=\"color: #000000;\">ggplot(df, <span style=\"color: #0000ff;\">aes<\/span> (x=x, y=y)) +\n    geom_point() +\n    geom_smooth(method=lm, se= <span style=\"color: #008000;\">FALSE<\/span> )<\/span>\n<\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-21949 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lignede3.png\" alt=\"\" width=\"445\" height=\"440\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Jangan ragu untuk mengubah estetika plot juga:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (ggplot2)<\/span>\n\n#define data\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=c(1, 2, 3, 4, 5, 6, 7, 8),<\/span>\n<span style=\"color: #000000;\">y=c(2, 5, 6, 7, 9, 12, 16, 19))<\/span>\n\n#create scatter plot with line of best fit\n<span style=\"color: #000000;\">ggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (x=x, y=y)) +\n    geom_point(col=' <span style=\"color: #ff0000;\">red<\/span> ', size= <span style=\"color: #008000;\">2<\/span> ) +\n    geom_smooth(method=lm, se= <span style=\"color: #008000;\">FALSE<\/span> , col=' <span style=\"color: #ff0000;\">purple<\/span> ', linetype=' <span style=\"color: #ff0000;\">dashed<\/span> ') +\n    theme_bw()<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-21950 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/lignede4.png\" alt=\"\" width=\"450\" height=\"447\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan operasi umum lainnya di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/regresi-linier-sederhana-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi linier sederhana di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/regresi-linier-berganda-r\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi linier berganda di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/menafsirkan-keluaran-regresi-di-r\/\" target=\"_blank\" rel=\"noopener\">Bagaimana menafsirkan keluaran regresi di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan salah satu metode berikut untuk menggambar garis yang paling sesuai di R: Metode 1: Gambarkan garis yang paling sesuai di dasar R #create scatter plot of x vs. y plot(x, y) #add line of best fit to scatter plot abline(lm(y ~ x)) Metode 2: Plot garis yang paling sesuai di ggplot2 library [&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 - 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