{"id":2945,"date":"2023-07-19T23:31:34","date_gmt":"2023-07-19T23:31:34","guid":{"rendered":"https:\/\/statorials.org\/id\/titik-awan-menurut-kelompok-di-r\/"},"modified":"2023-07-19T23:31:34","modified_gmt":"2023-07-19T23:31:34","slug":"titik-awan-menurut-kelompok-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/titik-awan-menurut-kelompok-di-r\/","title":{"rendered":"Cara membuat point cloud berdasarkan grup di r (2 contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan metode berikut untuk membuat plot sebar berbasis klaster di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Gunakan Basis R<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\">plot(df$x, df$y, col=as. <span style=\"color: #3366ff;\">factor<\/span> (df$group))\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: gunakan ggplot2<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (ggplot2)\n\nggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (x, y)) +\n  geom_point( <span style=\"color: #3366ff;\">aes<\/span> (color=group))<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan setiap metode dalam praktik dengan kerangka data berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=c(1, 2, 2, 3, 5, 6, 7),\n                 y=c(4, 8, 7, 9, 15, 14, 20),\n                 group=c('A', 'A', 'A', 'B', 'B', 'B', 'B'))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  xy group\n1 1 4 A\n2 2 8 A\n3 2 7 A\n4 3 9 B\n5 5 15 B\n6 6 14 B\n7 7 20 B\n<\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: titik cloud berdasarkan grup di basis R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara membuat titik awan di basis R dimana titik-titik tersebut diwarnai sesuai dengan nilai variabel &#8216;grup&#8217;:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create scatterplot with points colored by group\n<\/span>plot(df$x, df$y, col=as. <span style=\"color: #3366ff;\">factor<\/span> (df$group), pch= <span style=\"color: #008000;\">19<\/span> )<\/strong>\n<\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25563 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/groupe-de-couleurs1.jpg\" alt=\"\" width=\"462\" height=\"420\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Warna setiap titik mencerminkan nilai variabel \u201cgrup\u201d dalam bingkai data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Titik dengan nilai \u201cgrup\u201d A ditampilkan dalam warna hitam dan titik dengan nilai \u201cgrup\u201d B ditampilkan dalam warna merah.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa <strong>pch=19<\/strong> memberitahu R untuk menggunakan lingkaran padat sebagai titik plot.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Anda dapat menemukan daftar lengkap nilai pch dan formulir terkait <a href=\"https:\/\/stat.ethz.ch\/R-manual\/R-devel\/library\/graphics\/html\/points.html\" target=\"_blank\" rel=\"noopener\">di sini<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Sebarkan plot berdasarkan grup di ggplot2<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara membuat scatterplot di ggplot2 yang titik-titiknya diwarnai berdasarkan nilai variabel &#8216;grup&#8217;:<\/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 scatterplot with points colored by group\n<\/span>ggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (x, y)) +\n  geom_point( <span style=\"color: #3366ff;\">aes<\/span> (color=group))\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25564 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/groupe-de-couleurs2.jpg\" alt=\"\" width=\"477\" height=\"472\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa Anda juga dapat mengubah warna dan ukuran titik di plot:<\/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 scatterplot with points colored by group\n<\/span>ggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (x, y)) +\n  geom_point( <span style=\"color: #3366ff;\">aes<\/span> (color=group), size= <span style=\"color: #008000;\">3<\/span> ) +\n  scale_color_manual(values=c(' <span style=\"color: #ff0000;\">purple<\/span> ', ' <span style=\"color: #ff0000;\">steelblue<\/span> '))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-25565\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/groupe-de-couleurs3.jpg\" alt=\"titik cloud berdasarkan grup di R\" width=\"453\" height=\"456\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa kita meningkatkan ukuran titik menggunakan argumen <strong>size<\/strong> dan warna titik sesuai dengan warna yang kita tentukan dalam argumen <strong>scale_color_manual()<\/strong> .<\/span><\/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 tugas umum lainnya dengan point cloud di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/label-titik-awan-r\/\" target=\"_blank\" rel=\"noopener\">Cara memberi label titik pada plot sebar di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/plot-sebar-dengan-garis-regresi-r\/\" target=\"_blank\" rel=\"noopener\">Cara membuat scatterplot dengan garis regresi di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/fungsi-jitter-r\/\" target=\"_blank\" rel=\"noopener\">Cara menggunakan fungsi Jitter untuk point cloud di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan metode berikut untuk membuat plot sebar berbasis klaster di R: Metode 1: Gunakan Basis R plot(df$x, df$y, col=as. factor (df$group)) Metode 2: gunakan ggplot2 library (ggplot2) ggplot(df, aes (x, y)) + geom_point( aes (color=group)) Contoh berikut menunjukkan cara menggunakan setiap metode dalam praktik dengan kerangka data berikut: #create data frame df &lt;- [&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 membuat plot sebar berdasarkan grup di R (2 contoh) - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara membuat plot sebar grup di R, dengan beberapa 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\/titik-awan-menurut-kelompok-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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