{"id":4189,"date":"2023-07-12T23:54:51","date_gmt":"2023-07-12T23:54:51","guid":{"rendered":"https:\/\/statorials.org\/id\/ringkasan-statistik-di-r-dplyr\/"},"modified":"2023-07-12T23:54:51","modified_gmt":"2023-07-12T23:54:51","slug":"ringkasan-statistik-di-r-dplyr","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/ringkasan-statistik-di-r-dplyr\/","title":{"rendered":"Cara menghitung statistik ringkasan di r menggunakan dplyr"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan sintaks berikut untuk menghitung statistik ringkasan untuk semua variabel numerik dalam bingkai data di R menggunakan fungsi dalam paket <strong>dplyr<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\ndf %&gt;% summarise(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), .fns = \n                     list(min = min,\n                          median = median,\n                          mean = mean,\n                          stdev = sd,\n                          q25 = ~quantile(., <span style=\"color: #008000;\">0.25<\/span> ),\n                          q75 = ~quantile(., <span style=\"color: #008000;\">0.75<\/span> ),\n                          max = max))) %&gt;%\n  pivot_longer(everything(), names_sep=' <span style=\"color: #ff0000;\">_<\/span> ', names_to=c(' <span style=\"color: #ff0000;\">variable<\/span> ', ' <span style=\"color: #ff0000;\">.value<\/span> '))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Fungsi <strong>summarise()<\/strong> berasal dari paket <strong>dplyr<\/strong> dan digunakan untuk menghitung ringkasan statistik variabel.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fungsi <strong>pivot_longer()<\/strong> berasal dari paket <strong>Tidyr<\/strong> dan digunakan untuk memformat output agar lebih mudah dibaca.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Sintaks khusus ini menghitung ringkasan statistik berikut untuk setiap variabel numerik dalam bingkai data:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai minimal<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai median<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata<\/span><\/li>\n<li> <span style=\"color: #000000;\">Deviasi standar<\/span><\/li>\n<li> <span style=\"color: #000000;\">persentil ke-25<\/span><\/li>\n<li> <span style=\"color: #000000;\">persentil ke-75<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai maksimum<\/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>Contoh: Hitung ringkasan statistik di R menggunakan dplyr<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki kerangka data berikut di R yang berisi informasi tentang berbagai pemain bola basket:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),\n                 points=c(12, 15, 19, 14, 24, 25, 39, 34),\n                 assists=c(6, 8, 8, 9, 12, 6, 8, 10),\n                 rebounds=c(9, 9, 8, 10, 8, 4, 3, 3))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team points assists rebounds\n1 to 12 6 9\n2 A 15 8 9\n3 A 19 8 8\n4 A 14 9 10\n5 B 24 12 8\n6 B 25 6 4\n7 B 39 8 3\n8 B 34 10 3<\/strong>\n<\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks berikut untuk menghitung statistik ringkasan untuk setiap variabel numerik dalam bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<span style=\"color: #008080;\">#calculate summary statistics for each numeric variable in data frame\n<\/span>df %&gt;% summarise(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), .fns = \n                     list(min = min,\n                          median = median,\n                          mean = mean,\n                          stdev = sd,\n                          q25 = ~quantile(., <span style=\"color: #008000;\">0.25<\/span> ),\n                          q75 = ~quantile(., <span style=\"color: #008000;\">0.75<\/span> ),\n                          max = max))) %&gt;%\n  pivot_longer(everything(), names_sep=' <span style=\"color: #ff0000;\">_<\/span> ', names_to=c(' <span style=\"color: #ff0000;\">variable<\/span> ', ' <span style=\"color: #ff0000;\">.value<\/span> '))\n\n# A tibble: 3 x 8\n  variable min median mean stdev q25 q75 max\n             \n1 points 12 21.5 22.8 9.74 14.8 27.2 39\n2 assists 6 8 8.38 2.00 7.5 9.25 12\n3 rebounds 3 8 6.75 2.92 3.75 9 10\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>&nbsp;<\/strong> Dari hasilnya kita dapat melihat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai minimum pada kolom poin adalah <strong>12<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai median pada kolom poin adalah <strong>21.5<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata pada kolom poin adalah <strong>22,8<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Catatan<\/strong> : Dalam contoh ini, kami menggunakan fungsi <strong>dplyrcross()<\/strong> . Anda dapat menemukan dokumentasi lengkap untuk fungsi ini <a href=\"https:\/\/dplyr.tidyverse.org\/reference\/across.html\" target=\"_blank\" rel=\"noopener\">di sini<\/a> .<\/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 menjalankan fungsi umum lainnya menggunakan dplyr:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/dplyr-meringkas-kolom-simpan\/\" target=\"_blank\" rel=\"noopener\">Cara meringkas data tetapi tetap menggunakan semua kolom menggunakan dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/dplyr-meringkas-beberapa-kolom\/\" target=\"_blank\" rel=\"noopener\">Cara meringkas beberapa kolom menggunakan dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/deviasi-standar-dplyr\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung simpangan baku menggunakan dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan sintaks berikut untuk menghitung statistik ringkasan untuk semua variabel numerik dalam bingkai data di R menggunakan fungsi dalam paket dplyr : library (dplyr) library (tidyr) df %&gt;% summarise(across(where(is. numeric ), .fns = list(min = min, median = median, mean = mean, stdev = sd, q25 = ~quantile(., 0.25 ), q75 = ~quantile(., [&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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