{"id":3433,"date":"2023-07-17T12:26:45","date_gmt":"2023-07-17T12:26:45","guid":{"rendered":"https:\/\/statorials.org\/ar\/%d9%85%d9%82%d9%8a%d8%a7%d8%b3-%d8%a7%d9%84%d8%a7%d9%94%d8%b9%d9%85%d8%af%d8%a9-%d8%a7%d9%84%d8%b1%d9%82%d9%85%d9%8a%d8%a9-%d9%81%d9%82%d8%b7\/"},"modified":"2023-07-17T12:26:45","modified_gmt":"2023-07-17T12:26:45","slug":"%d9%85%d9%82%d9%8a%d8%a7%d8%b3-%d8%a7%d9%84%d8%a7%d9%94%d8%b9%d9%85%d8%af%d8%a9-%d8%a7%d9%84%d8%b1%d9%82%d9%85%d9%8a%d8%a9-%d9%81%d9%82%d8%b7","status":"publish","type":"post","link":"https:\/\/statorials.org\/ar\/%d9%85%d9%82%d9%8a%d8%a7%d8%b3-%d8%a7%d9%84%d8%a7%d9%94%d8%b9%d9%85%d8%af%d8%a9-%d8%a7%d9%84%d8%b1%d9%82%d9%85%d9%8a%d8%a9-%d9%81%d9%82%d8%b7\/","title":{"rendered":"\u0643\u064a\u0641\u064a\u0629 \u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0641\u0642\u0637 \u0641\u064a r (\u0645\u0639 \u0645\u062b\u0627\u0644)"},"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 \u0628\u0646\u0627\u0621 \u0627\u0644\u062c\u0645\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u062d\u0632\u0645\u0629 <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> \u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0644\u0625\u0637\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0641\u064a R \u0641\u0642\u0637:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\ndf %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), scale))\n<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0648\u0636\u062d \u0627\u0644\u0645\u062b\u0627\u0644 \u0627\u0644\u062a\u0627\u0644\u064a \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0647\u0630\u0647 \u0627\u0644\u0648\u0638\u064a\u0641\u0629 \u0639\u0645\u0644\u064a\u064b\u0627.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u062b\u0627\u0644: \u0642\u0645 \u0628\u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0641\u0642\u0637 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr<\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646 \u0644\u062f\u064a\u0646\u0627 \u0625\u0637\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a \u0641\u064a R \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u0644\u0627\u0639\u0628\u064a \u0643\u0631\u0629 \u0627\u0644\u0633\u0644\u0629 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u064a\u0646:<\/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', 'B', 'C', 'D', 'E'),\n                 dots=c(22, 34, 30, 12, 18),\n                 assists=c(7, 9, 9, 12, 14),\n                 rebounds=c(5, 10, 10, 8, 8))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team points assists rebounds\n1 to 22 7 5\n2 B 34 9 10\n3 C 30 9 10\n4 D 12 12 8\n5 E 18 14 8\n<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0646\u0631\u064a\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062f\u0627\u0644\u0629<a href=\"https:\/\/statorials.org\/ar\/\u0648\u0638\u064a\u0641\u0629-\u0627\u0644\u0646\u0637\u0627\u0642-\u0641\u064a-\u0635\/\" target=\"_blank\" rel=\"noopener\">\u0627\u0644\u0642\u064a\u0627\u0633<\/a> \u0641\u064a R \u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0644\u0625\u0637\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0641\u0642\u0637.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0645\u0643\u0646\u0646\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u0646\u0627\u0621 \u0627\u0644\u062c\u0645\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a \u0644\u0644\u0642\u064a\u0627\u0645 \u0628\u0630\u0644\u0643:<\/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> (dplyr)\n\n<span style=\"color: #008080;\">#scale only the numeric columns in the data frame\n<\/span>df %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), scale))\n\n  team points assists rebounds\n1 A -0.1348400 -1.153200 -1.56144012\n2 B 1.2135598 -0.432450 0.87831007\n3 C 0.7640932 -0.432450 0.87831007\n4 D -1.2585064 0.648675 -0.09759001\n5 E -0.5843065 1.369425 -0.09759001\n<\/span><\/span><\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u062d\u0638 \u0623\u0646 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0627\u0644\u062b\u0644\u0627\u062b\u0629 ( <strong>\u0627\u0644\u0646\u0642\u0627\u0637<\/strong> \u060c <strong>\u0627\u0644\u062a\u0645\u0631\u064a\u0631\u0627\u062a \u0627\u0644\u062d\u0627\u0633\u0645\u0629<\/strong> <strong>\u0648\u0627\u0644\u0645\u0631\u062a\u062f\u0627\u062a<\/strong> ) \u062a\u0645 \u062a\u063a\u064a\u064a\u0631 \u062d\u062c\u0645\u0647\u0627 \u0628\u064a\u0646\u0645\u0627 \u0638\u0644 \u0639\u0645\u0648\u062f <strong>\u0627\u0644\u0641\u0631\u064a\u0642<\/strong> \u062f\u0648\u0646 \u062a\u063a\u064a\u064a\u0631.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">\u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629<\/span><\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062f\u0627\u0644\u0629 <strong>scale()<\/strong> \u0641\u064a R \u0628\u0646\u0627\u0621 \u0627\u0644\u062c\u0645\u0644\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0627\u0644\u062a\u0627\u0644\u064a:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>scale(x, center = <span style=\"color: #008000;\">TRUE<\/span> , scale = <span style=\"color: #008000;\">TRUE<\/span> )\n<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0630\u0647\u0628:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>x<\/strong> : \u0627\u0633\u0645 \u0627\u0644\u0643\u0627\u0626\u0646 \u0627\u0644\u0645\u0631\u0627\u062f \u0642\u064a\u0627\u0633\u0647<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0645\u0631\u0643\u0632<\/strong> : \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0633\u064a\u062a\u0645 \u0637\u0631\u062d \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u0639\u0646\u062f \u0627\u0644\u0642\u064a\u0627\u0633. \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a \u0647\u0648 \u0627\u0644\u0635\u062d\u064a\u062d.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u0642\u064a\u0627\u0633<\/strong> : \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0633\u064a\u062a\u0645 \u0627\u0644\u0642\u0633\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0639\u0646\u062f \u0627\u0644\u0642\u064a\u0627\u0633. \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a \u0647\u0648 \u0627\u0644\u0635\u062d\u064a\u062d.<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062a\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u062f\u0627\u0644\u0629 \u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u0642\u0627\u0633\u0629:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong><sub>\u062a\u062d\u062c\u064a\u0645<\/sub> x = ( <sub>\u0627\u0644\u0623\u0635\u0644\u064a<\/sub> x \u2013 x\u0304) \/ s<\/strong><\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0630\u0647\u0628:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong><sub>\u0627\u0644\u0623\u0635\u0644\u064a<\/sub> x<\/strong> : \u0642\u064a\u0645\u0629 x \u0627\u0644\u0623\u0635\u0644\u064a\u0629<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>x\u0304<\/strong> : \u062a\u0639\u0646\u064a \u0627\u0644\u0639\u064a\u0646\u0629<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>s<\/strong> : \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0644\u0644\u0639\u064a\u0646\u0629<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u064f\u0639\u0631\u0641 \u0647\u0630\u0627 \u0623\u064a\u0636\u064b\u0627 \u0628\u0627\u0633\u0645 <em>\u062a\u0637\u0628\u064a\u0639<\/em> \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0642\u0648\u0645 \u0628\u0628\u0633\u0627\u0637\u0629 \u0628\u062a\u062d\u0648\u064a\u0644 \u0643\u0644 \u0642\u064a\u0645\u0629 \u0623\u0635\u0644\u064a\u0629 \u0625\u0644\u0649 <a href=\"https:\/\/statorials.org\/ar\/\u062a\u0641\u0633\u064a\u0631-\u062f\u0631\u062c\u0627\u062a-z\/\" target=\"_blank\" rel=\"noopener\">\u062f\u0631\u062c\u0629 z<\/a> .<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u0635\u0627\u062f\u0631 \u0625\u0636\u0627\u0641\u064a\u0629<\/strong><\/span><\/h2>\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 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0645\u0647\u0627\u0645 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0627\u0644\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\/dplyr-\u062a\u062d\u062f\u064a\u062f-\u0627\u0644\u0627\u0654\u0639\u0645\u062f\u0629-\u0628\u0627\u0644\u0627\u0633\u0645\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0628\u0627\u0644\u0627\u0633\u0645 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/dplyr-\u062a\u062d\u062f\u064a\u062f-\u0627\u0644\u0627\u0654\u0639\u0645\u062f\u0629-\u062d\u0633\u0628-\u0627\u0644\u0641\u0647\u0631\u0633\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u062d\u0633\u0628 \u0627\u0644\u0641\u0647\u0631\u0633 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u062d\u062f\u062f-dplyr-\u0627\u0655\u0630\u0627-\u0643\u0627\u0646\u062a-\u0647\u0646\u0627\u0643-\u0634\u0631\u0648\u0637-\u0645\u062a\u0639\u062f\u062f\u0629\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 Select_if \u0645\u0639 \u0634\u0631\u0648\u0637 \u0645\u062a\u0639\u062f\u062f\u0629 \u0641\u064a dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u064a\u0645\u0643\u0646\u0643 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u0646\u0627\u0621 \u0627\u0644\u062c\u0645\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u062d\u0632\u0645\u0629 dplyr \u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0644\u0625\u0637\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0641\u064a R \u0641\u0642\u0637: library (dplyr) df %&gt;% mutate(across(where(is. numeric ), scale)) \u064a\u0648\u0636\u062d \u0627\u0644\u0645\u062b\u0627\u0644 \u0627\u0644\u062a\u0627\u0644\u064a \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0647\u0630\u0647 \u0627\u0644\u0648\u0638\u064a\u0641\u0629 \u0639\u0645\u0644\u064a\u064b\u0627. \u0645\u062b\u0627\u0644: \u0642\u0645 \u0628\u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0641\u0642\u0637 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 dplyr \u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646 \u0644\u062f\u064a\u0646\u0627 \u0625\u0637\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a \u0641\u064a R \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u0644\u0627\u0639\u0628\u064a \u0643\u0631\u0629 [&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 \u0642\u064a\u0627\u0633 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629 \u0641\u0642\u0637 \u0641\u064a R (\u0645\u0639 \u0645\u062b\u0627\u0644) - Statorials<\/title>\n<meta name=\"description\" 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