{"id":2219,"date":"2023-07-23T05:04:40","date_gmt":"2023-07-23T05:04:40","guid":{"rendered":"https:\/\/statorials.org\/ar\/dplyr-%d8%ad%d8%b3%d8%a7%d8%a8-%d9%85%d9%86%d9%81%d8%b5%d9%84\/"},"modified":"2023-07-23T05:04:40","modified_gmt":"2023-07-23T05:04:40","slug":"dplyr-%d8%ad%d8%b3%d8%a7%d8%a8-%d9%85%d9%86%d9%81%d8%b5%d9%84","status":"publish","type":"post","link":"https:\/\/statorials.org\/ar\/dplyr-%d8%ad%d8%b3%d8%a7%d8%a8-%d9%85%d9%86%d9%81%d8%b5%d9%84\/","title":{"rendered":"\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr (\u0645\u0639 \u0623\u0645\u062b\u0644\u0629)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p style=\";text-align:right;direction:rtl\"><span style=\"color: #000000;\">\u064a\u0645\u0643\u0646\u0643 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u064a \u0645\u0646 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u062d\u0633\u0627\u0628 \u0639\u062f\u062f \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0625\u0637\u0627\u0631 \u0628\u064a\u0627\u0646\u0627\u062a R \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u0638\u064a\u0641\u0629 <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> &#8216;s <strong>n_distinct()<\/strong> :<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0639\u0645\u0648\u062f<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>n_distinct(df$column_name)\n<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0643\u0627\u0641\u0629 \u0627\u0644\u0623\u0639\u0645\u062f\u0629<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sapply(df, <span style=\"color: #008000;\">function<\/span> (x) n_distinct(x))<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0644\u062b\u0629: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u062d\u0633\u0628 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\">df %&gt;%<\/span><\/strong>\n<strong><span style=\"color: #000000;\"><span style=\"color: #3366ff;\">group_by<\/span> (grouping_column) %&gt;%<\/span><\/strong>\n<strong><span style=\"color: #000000;\"><span style=\"color: #3366ff;\">summarize<\/span> (count_distinct = n_distinct(values_column))<\/span><\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062a\u0648\u0636\u062d \u0627\u0644\u0623\u0645\u062b\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u0644 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u0642 \u0639\u0645\u0644\u064a\u064b\u0627 \u0645\u0639 \u0625\u0637\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<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(6, 6, 8, 10, 9, 9, 12, 12),\n                 assists=c(3, 6, 4, 2, 4, 5, 5, 9))\n\n<span style=\"color: #008080;\">#view data frame<\/span>\ndf\n\n  team points assists\n1 to 6 3\n2 to 6 6\n3 to 8 4\n4 to 10 2\n5 B 9 4\n6 B 9 5\n7 B 12 5\n8 B 12 9\n<\/span><\/strong><\/pre>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0639\u0645\u0648\u062f<\/strong><\/span><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0648\u0636\u062d \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0629 \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 <strong>n_distinct()<\/strong> \u0644\u062d\u0633\u0627\u0628 \u0639\u062f\u062f \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0639\u0645\u0648\u062f &#8220;\u0627\u0644\u0641\u0631\u064a\u0642&#8221;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#count distinct values in 'team' column\n<span style=\"color: #000000;\">n_distinct(df$team)\n\n[1] 2\n<\/span><\/span><\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0646\u0627\u0643 \u0642\u064a\u0645\u062a\u0627\u0646 <strong>\u0645\u0645\u064a\u0632\u062a\u0627\u0646<\/strong> \u0641\u064a \u0639\u0645\u0648\u062f &#8220;\u0627\u0644\u0641\u0631\u064a\u0642&#8221;.<\/span><\/p>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0643\u0627\u0641\u0629 \u0627\u0644\u0623\u0639\u0645\u062f\u0629<\/strong><\/span><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0648\u0636\u062d \u0627\u0644\u0643\u0648\u062f \u0627\u0644\u062a\u0627\u0644\u064a \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062f\u0627\u0644\u062a\u064a\u0646 <strong>sapply()<\/strong> \u0648 <strong>n_distinct()<\/strong> \u0644\u062d\u0633\u0627\u0628 \u0639\u062f\u062f \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0643\u0644 \u0639\u0645\u0648\u062f \u0645\u0646 \u0625\u0637\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#count distinct values in every column<\/span>\nsapply(df, <span style=\"color: #008000;\">function<\/span> (x) n_distinct(x))<\/span>\n<span style=\"color: #000000;\">\n   team points assists \n      2 5 6<\/span><\/span><\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0645\u0646 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u0631\u0649:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0646\u0627\u0643 \u0642\u064a\u0645\u062a\u0627\u0646 <strong>\u0645\u0645\u064a\u0632\u062a\u0627\u0646<\/strong> \u0641\u064a \u0639\u0645\u0648\u062f &#8220;\u0627\u0644\u0641\u0631\u064a\u0642&#8221;.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0646\u0627\u0643 <strong>5<\/strong> \u0642\u064a\u0645 \u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0639\u0645\u0648\u062f &#8220;\u0627\u0644\u0646\u0642\u0627\u0637&#8221;.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0646\u0627\u0643 <strong>6<\/strong> \u0642\u064a\u0645 \u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0639\u0645\u0648\u062f &#8220;\u0627\u0644\u0645\u0633\u0627\u0639\u062f\u0627\u062a&#8221;.<\/span><\/li>\n<\/ul>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0644\u062b\u0629: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u062d\u0633\u0628 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629<\/strong><\/span><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0648\u0636\u062d \u0627\u0644\u0643\u0648\u062f \u0627\u0644\u062a\u0627\u0644\u064a \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062f\u0627\u0644\u0629 <strong>n_distinct()<\/strong> \u0644\u062d\u0633\u0627\u0628 \u0639\u062f\u062f \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0644\u0643\u0644 \u0645\u062c\u0645\u0648\u0639\u0629:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#count distinct 'points' values by 'team'\n<\/span>df %&gt;%\n  <span style=\"color: #3366ff;\">group_by<\/span> (team) %&gt;%\n  <span style=\"color: #3366ff;\">summarize<\/span> (distinct_points = n_distinct(points))\n\n# A tibble: 2 x 2\n  team distinct_points \n1 to 3\n2 B 2\n<\/span><\/span><\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0645\u0646 \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u0631\u0649:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0646\u0627\u0643 <strong>3<\/strong> \u0642\u064a\u0645 \u0646\u0642\u0627\u0637 \u0645\u0645\u064a\u0632\u0629 \u0644\u0644\u0641\u0631\u064a\u0642 \u0623.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0646\u0627\u0643 \u0642\u064a\u0645\u062a\u0627\u0646 <strong>\u0645\u0646\u0641\u0635\u0644\u062a\u0627\u0646<\/strong> \u0644\u0644\u0646\u0642\u0627\u0637 \u0644\u0644\u0641\u0631\u064a\u0642 B.<\/span><\/li>\n<\/ul>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u0635\u0627\u062f\u0631 \u0625\u0636\u0627\u0641\u064a\u0629<\/strong><\/span><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062a\u0634\u0631\u062d \u0627\u0644\u0628\u0631\u0627\u0645\u062c \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0643\u064a\u0641\u064a\u0629 \u0625\u062c\u0631\u0627\u0621 \u0639\u0645\u0644\u064a\u0627\u062a \u0634\u0627\u0626\u0639\u0629 \u0623\u062e\u0631\u0649 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <a href=\"https:\/\/statorials.org\/ar\/\u0627\u0655\u0639\u0627\u062f\u0629-\u062a\u0631\u0645\u064a\u0632-dplyr\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u0625\u0639\u0627\u062f\u0629 \u062a\u0631\u0645\u064a\u0632 \u0627\u0644\u0642\u064a\u0645 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/dplyr-\u0627\u0633\u062a\u0628\u062f\u0644-na-\u0628\u0635\u0641\u0631\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u0628\u062f\u0627\u0644 NA \u0628\u0635\u0641\u0631 \u0641\u064a dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u062a\u0635\u0646\u064a\u0641-dplyr-\u062d\u0633\u0628-\u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u0641\u0631\u0632 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u062d\u0633\u0628 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u062d\u062f\u062f-\u0627\u0644\u0633\u0637\u0631-\u0627\u0644\u0627\u0654\u0648\u0644-\u0645\u0646-\u0645\u062c\u0645\u0648\u0639\u0629-dplyr\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0635\u0641 \u0627\u0644\u0623\u0648\u0644 \u062d\u0633\u0628 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u064a\u0645\u0643\u0646\u0643 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u064a \u0645\u0646 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u062d\u0633\u0627\u0628 \u0639\u062f\u062f \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0625\u0637\u0627\u0631 \u0628\u064a\u0627\u0646\u0627\u062a R \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u0638\u064a\u0641\u0629 dplyr &#8216;s n_distinct() : \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0639\u0645\u0648\u062f n_distinct(df$column_name) \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0641\u064a \u0643\u0627\u0641\u0629 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 sapply(df, function (x) n_distinct(x)) \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062b\u0627\u0644\u062b\u0629: \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u062d\u0633\u0628 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 df %&gt;% group_by (grouping_column) %&gt;% summarize (count_distinct = [&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>\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0645\u064a\u0632\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr (\u0645\u0639 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