{"id":1238,"date":"2023-07-27T04:23:20","date_gmt":"2023-07-27T04:23:20","guid":{"rendered":"https:\/\/statorials.org\/ar\/%d8%aa%d8%ad%d9%84%d9%8a%d9%84-%d8%a7%d9%84%d9%85%d9%83%d9%88%d9%86-%d8%a7%d9%84%d8%b1%d9%8a%d9%94%d9%8a%d8%b3%d9%8a-%d9%81%d9%8a-%d8%b5\/"},"modified":"2023-07-27T04:23:20","modified_gmt":"2023-07-27T04:23:20","slug":"%d8%aa%d8%ad%d9%84%d9%8a%d9%84-%d8%a7%d9%84%d9%85%d9%83%d9%88%d9%86-%d8%a7%d9%84%d8%b1%d9%8a%d9%94%d9%8a%d8%b3%d9%8a-%d9%81%d9%8a-%d8%b5","status":"publish","type":"post","link":"https:\/\/statorials.org\/ar\/%d8%aa%d8%ad%d9%84%d9%8a%d9%84-%d8%a7%d9%84%d9%85%d9%83%d9%88%d9%86-%d8%a7%d9%84%d8%b1%d9%8a%d9%94%d9%8a%d8%b3%d9%8a-%d9%81%d9%8a-%d8%b5\/","title":{"rendered":"\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0641\u064a r: \u0645\u062b\u0627\u0644 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629"},"content":{"rendered":"<p><\/p>\n<hr>\n<p style=\";text-align:right;direction:rtl\"><span style=\"color: #000000;\">\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629\u060c \u0648\u0627\u0644\u0630\u064a \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062a\u0645 \u0627\u062e\u062a\u0635\u0627\u0631\u0647 PCA\u060c \u0647\u0648 \u062a\u0642\u0646\u064a\u0629 \u062a\u0639\u0644\u0645 \u0622\u0644\u064a <a href=\"https:\/\/statorials.org\/ar\/\u0627\u0644\u062a\u0639\u0644\u0645-\u0627\u0644\u062e\u0627\u0636\u0639-\u0644\u0644\u0627\u0655\u0634\u0631\u0627\u0641-\u0645\u0642\u0627\u0628\u0644-\u0627\u0644\u062a\u0639\u0644\u0645-\u063a\u064a\u0631-\u0627\u0644\u062e\u0627\u0636\u0639-\u0644\u0644\u0627\u0655\u0634\u0631\u0627\u0641\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u063a\u064a\u0631 \u062e\u0627\u0636\u0639\u0629 \u0644\u0644\u0631\u0642\u0627\u0628\u0629<\/a> \u062a\u0633\u0639\u0649 \u0625\u0644\u0649 \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 &#8211; \u0645\u062c\u0645\u0648\u0639\u0627\u062a \u062e\u0637\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u062a\u0646\u0628\u0626\u064a\u0646 \u0627\u0644\u0623\u0635\u0644\u064a\u064a\u0646 &#8211; \u0627\u0644\u062a\u064a \u062a\u0641\u0633\u0631 \u062c\u0632\u0621\u064b\u0627 \u0643\u0628\u064a\u0631\u064b\u0627 \u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0627\u0644\u0647\u062f\u0641 \u0645\u0646 PCA \u0647\u0648 \u0634\u0631\u062d \u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0623\u0642\u0644 \u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0639\u064a\u0646\u0629 \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u062a\u063a\u064a\u0631\u0627\u062a <em>p<\/em> \u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0641\u062d\u0635 \u0645\u062e\u0637\u0637\u0627\u062a \u0627\u0644\u062a\u0634\u062a\u062a \u0644\u0643\u0644 \u0645\u062c\u0645\u0648\u0639\u0629 \u0632\u0648\u062c\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a\u060c \u0648\u0644\u0643\u0646 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0635\u0628\u062d \u0639\u062f\u062f \u0645\u062e\u0637\u0637\u0627\u062a \u0627\u0644\u062a\u0634\u062a\u062a \u0643\u0628\u064a\u0631\u064b\u0627 \u0628\u0633\u0631\u0639\u0629 \u0643\u0628\u064a\u0631\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0646\u0628\u0624\u0627\u062a <em>p<\/em> \u060c \u062a\u0648\u062c\u062f \u0633\u062d\u0628 \u0646\u0642\u0637\u064a\u0629 p(p-1)\/2.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0630\u0644\u0643\u060c \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0630\u0627\u062a \u062a\u0646\u0628\u0624\u0627\u062a p = 15\u060c \u0633\u064a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 105 \u0645\u062e\u0637\u0637\u0627\u062a \u0645\u0628\u0639\u062b\u0631\u0629 \u0645\u062e\u062a\u0644\u0641\u0629!<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u062d\u0633\u0646 \u0627\u0644\u062d\u0638\u060c \u064a\u0648\u0641\u0631 PCA \u0637\u0631\u064a\u0642\u0629 \u0644\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u062a\u0645\u062b\u064a\u0644 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0623\u0628\u0639\u0627\u062f \u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0644\u062a\u0642\u0637 \u0623\u0643\u0628\u0631 \u0642\u062f\u0631 \u0645\u0645\u0643\u0646 \u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0625\u0630\u0627 \u062a\u0645\u0643\u0646\u0627 \u0645\u0646 \u0627\u0644\u062a\u0642\u0627\u0637 \u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0628\u0639\u062f\u064a\u0646 \u0641\u0642\u0637\u060c \u0641\u064a\u0645\u0643\u0646\u0646\u0627 \u0625\u0633\u0642\u0627\u0637 \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0639\u0644\u0649 \u0645\u062e\u0637\u0637 \u062a\u0634\u062a\u062a \u0628\u0633\u064a\u0637.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u062a\u064a \u0646\u062c\u062f \u0628\u0647\u0627 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0647\u064a \u0643\u0645\u0627 \u064a\u0644\u064a:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><sub>\u0628\u0627\u0644\u0646\u0638\u0631 \u0625\u0644\u0649<\/sub> <sub>\u0645\u062c\u0645\u0648\u0639\u0629<\/sub> <sub>\u0628\u064a\u0627\u0646\u0627\u062a<\/sub> <sub>\u0630\u0627\u062a<\/sub> <sub>\u062a\u0646\u0628\u0624\u0627\u062a<\/sub> <em>p<\/em> <em>:<\/em> <em>_<\/em><\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><sub>\u0636<\/sub> <sub>\u0645<\/sub> <sub>=<\/sub> <sub>\u03a3\u03a6<\/sub> <sub>\u062c\u0645<\/sub> <sub>_<\/sub><\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">Z <sub>1<\/sub> \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u062e\u0637\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u062a\u0646\u0628\u0626\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0644\u062a\u0642\u0637 \u0623\u0643\u0628\u0631 \u0642\u062f\u0631 \u0645\u0645\u0643\u0646 \u0645\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">Z <sub>2<\/sub> \u0647\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u062a\u0646\u0628\u0626\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0644\u062a\u0642\u0637 \u0623\u0643\u0628\u0631 \u0642\u062f\u0631 \u0645\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0628\u064a\u0646\u0645\u0627 \u062a\u0643\u0648\u0646 <em>\u0645\u062a\u0639\u0627\u0645\u062f\u0629<\/em> (\u0623\u064a \u063a\u064a\u0631 \u0645\u0631\u062a\u0628\u0637\u0629) \u0628\u0640 Z <sub>1<\/sub> .<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">Z <sub>3<\/sub> \u0647\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u062a\u0646\u0628\u0626\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0644\u062a\u0642\u0637 \u0623\u0643\u0628\u0631 \u0642\u062f\u0631 \u0645\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0628\u064a\u0646\u0645\u0627 \u062a\u0643\u0648\u0646 \u0645\u062a\u0639\u0627\u0645\u062f\u0629 \u0645\u0639 Z <sub>2<\/sub> .<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0645\u0627 \u0625\u0644\u0649 \u0630\u0644\u0643 \u0648\u0647\u0644\u0645 \u062c\u0631\u0627.<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u060c \u0646\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0627\u062a \u0627\u0644\u062e\u0637\u064a\u0629 \u0644\u0644\u0645\u062a\u0646\u0628\u0626\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>1.<\/strong> \u0642\u0645 \u0628\u0642\u064a\u0627\u0633 \u0643\u0644 \u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u062a\u0648\u0633\u0637 0 \u0648\u0627\u0646\u062d\u0631\u0627\u0641 \u0645\u0639\u064a\u0627\u0631\u064a 1.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>2.<\/strong> \u0627\u062d\u0633\u0628 \u0645\u0635\u0641\u0648\u0641\u0629 \u0627\u0644\u062a\u063a\u0627\u064a\u0631 \u0644\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u0642\u0627\u0633\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>3.<\/strong> \u0627\u062d\u0633\u0628 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0630\u0627\u062a\u064a\u0629 \u0644\u0645\u0635\u0641\u0648\u0641\u0629 \u0627\u0644\u062a\u063a\u0627\u064a\u0631.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062c\u0628\u0631 \u0627\u0644\u062e\u0637\u064a\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u0628\u064a\u0646 \u0623\u0646 \u0627\u0644\u0645\u062a\u062c\u0647 \u0627\u0644\u0630\u0627\u062a\u064a \u0627\u0644\u0630\u064a \u064a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0623\u0643\u0628\u0631 \u0642\u064a\u0645\u0629 \u0630\u0627\u062a\u064a\u0629 \u0647\u0648 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0623\u0648\u0644. \u0648\u0628\u0639\u0628\u0627\u0631\u0629 \u0623\u062e\u0631\u0649\u060c \u0641\u0625\u0646 \u0647\u0630\u0627 \u0627\u0644\u0645\u0632\u064a\u062c \u0627\u0644\u062e\u0627\u0635 \u0645\u0646 \u0627\u0644\u0645\u062a\u0646\u0628\u0626\u064a\u0646 \u064a\u0641\u0633\u0631 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0623\u0643\u0628\u0631 \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0627\u0644\u0645\u062a\u062c\u0647 \u0627\u0644\u0630\u0627\u062a\u064a \u0627\u0644\u0645\u0642\u0627\u0628\u0644 \u0644\u062b\u0627\u0646\u064a \u0623\u0643\u0628\u0631 \u0642\u064a\u0645\u0629 \u0630\u0627\u062a\u064a\u0629 \u0647\u0648 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u062b\u0627\u0646\u064a\u060c \u0648\u0647\u0643\u0630\u0627.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0642\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u064a \u0645\u062b\u0627\u0644\u0627\u064b \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629 \u0644\u0643\u064a\u0641\u064a\u0629 \u062a\u0646\u0641\u064a\u0630 \u0647\u0630\u0647 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0641\u064a R.<\/span><\/p>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u062e\u0637\u0648\u0629 1: \u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/strong><\/span><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0633\u0646\u0642\u0648\u0645 \u0623\u0648\u0644\u0627\u064b \u0628\u062a\u062d\u0645\u064a\u0644 \u062d\u0632\u0645\u0629 <strong>Tidyverse<\/strong> \u060c \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0648\u0638\u0627\u0626\u0641 \u0627\u0644\u0645\u0641\u064a\u062f\u0629 \u0644\u062a\u0635\u0648\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u0645\u0639\u0627\u0644\u062c\u062a\u0647\u0627:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #993300;\">library<\/span> (tidyverse)\n<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0633\u0648\u0641 \u0646\u0633\u062a\u062e\u062f\u0645 \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a <em>USArrests<\/em> \u0627\u0644\u0645\u0636\u0645\u0646\u0629 \u0641\u064a R\u060c \u0648\u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0639\u062f\u062f \u0627\u0644\u0627\u0639\u062a\u0642\u0627\u0644\u0627\u062a \u0644\u0643\u0644 100.000 \u0645\u0642\u064a\u0645 \u0641\u064a \u0643\u0644 \u0648\u0644\u0627\u064a\u0629 \u0623\u0645\u0631\u064a\u0643\u064a\u0629 \u0641\u064a \u0639\u0627\u0645 1973 \u0628\u062a\u0647\u0645\u0629 <em>\u0627\u0644\u0642\u062a\u0644<\/em> <em>\u0648\u0627\u0644\u0627\u0639\u062a\u062f\u0627\u0621<\/em> <em>\u0648\u0627\u0644\u0627\u063a\u062a\u0635\u0627\u0628<\/em> .<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u064a\u0634\u0645\u0644 \u0623\u064a\u0636\u064b\u0627 \u0627\u0644\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0626\u0648\u064a\u0629 \u0644\u0633\u0643\u0627\u0646 \u0643\u0644 \u0648\u0644\u0627\u064a\u0629 \u0627\u0644\u0630\u064a\u0646 \u064a\u0639\u064a\u0634\u0648\u0646 \u0641\u064a \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u062d\u0636\u0631\u064a\u0629\u060c <em>UrbanPop<\/em> .<\/span><\/p>\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 \u062a\u062d\u0645\u064a\u0644 \u0648\u0639\u0631\u0636 \u0627\u0644\u0635\u0641\u0648\u0641 \u0627\u0644\u0623\u0648\u0644\u0649 \u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #993300;\"><span style=\"color: #008080;\">#load data<\/span>\n<span style=\"color: #000000;\">data<\/span><\/span> <span style=\"color: #000000;\">(\"USArrests\")<\/span>\n\n<span style=\"color: #008080;\">#view first six rows of data<\/span>\nhead(USArrests)\n\n           Murder Assault UrbanPop Rape\nAlabama 13.2 236 58 21.2\nAlaska 10.0 263 48 44.5\nArizona 8.1 294 80 31.0\nArkansas 8.8 190 50 19.5\nCalifornia 9.0 276 91 40.6\nColorado 7.9 204 78 38.7\n<\/strong><\/pre>\n<h3 style=\";text-align:right;direction:rtl\"> <strong>\u0627\u0644\u062e\u0637\u0648\u0629 2: \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/strong><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0639\u062f \u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u0638\u064a\u0641\u0629 R \u0627\u0644\u0645\u0636\u0645\u0646\u0629 <strong>prcomp()<\/strong> \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062a\u0623\u0643\u062f \u0645\u0646 \u062a\u062d\u062f\u064a\u062f <strong>\u0627\u0644\u0645\u0642\u064a\u0627\u0633 = TRUE<\/strong> \u0628\u062d\u064a\u062b \u064a\u062a\u0645 \u0642\u064a\u0627\u0633 \u0643\u0644 \u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0645\u062a\u0648\u0633\u0637\u0647\u0627 0 \u0648\u0627\u0646\u062d\u0631\u0627\u0641 \u0645\u0639\u064a\u0627\u0631\u064a \u0642\u062f\u0631\u0647 1 \u0642\u0628\u0644 \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u062d\u0638 \u0623\u064a\u0636\u064b\u0627 \u0623\u0646 \u0627\u0644\u0645\u062a\u062c\u0647\u0627\u062a \u0627\u0644\u0630\u0627\u062a\u064a\u0629 \u0641\u064a R \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0627\u0644\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0633\u0644\u0628\u064a \u0627\u0641\u062a\u0631\u0627\u0636\u064a\u064b\u0627\u060c \u0644\u0630\u0644\u0643 \u0633\u0646\u0636\u0631\u0628\u0647\u0627 \u0641\u064a -1 \u0644\u0639\u0643\u0633 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate main components\n<\/span>results &lt;- prcomp(USArrests, scale = <span style=\"color: #008000;\">TRUE<\/span> )\n\n<span style=\"color: #008080;\">#reverse the signs\n<\/span>results$rotation &lt;- -1*results$rotation\n\n<span style=\"color: #008080;\">#display main components\n<\/span>results$rotation\n\n               PC1 PC2 PC3 PC4\nMurder 0.5358995 -0.4181809 0.3412327 -0.64922780\nAssault 0.5831836 -0.1879856 0.2681484 0.74340748\nUrbanPop 0.2781909 0.8728062 0.3780158 -0.13387773\nRape 0.5434321 0.1673186 -0.8177779 -0.08902432<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u0631\u0649 \u0623\u0646 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0623\u0648\u0644 (PC1) \u0644\u0647 \u0642\u064a\u0645 \u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u0642\u062a\u0644 \u0648\u0627\u0644\u0627\u0639\u062a\u062f\u0627\u0621 \u0648\u0627\u0644\u0627\u063a\u062a\u0635\u0627\u0628\u060c \u0645\u0645\u0627 \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0623\u0646 \u0647\u0630\u0627 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u064a\u0635\u0641 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0623\u0643\u0628\u0631 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u064a\u0636\u064b\u0627 \u0623\u0646 \u0646\u0631\u0649 \u0623\u0646 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u062b\u0627\u0646\u064a (PC2) \u0644\u0647 \u0642\u064a\u0645\u0629 \u0639\u0627\u0644\u064a\u0629 \u0644\u0640 UrbanPop\u060c \u0645\u0645\u0627 \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0623\u0646 \u0647\u0630\u0627 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u064a\u0631\u0643\u0632 \u0639\u0644\u0649 \u0633\u0643\u0627\u0646 \u0627\u0644\u062d\u0636\u0631.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u062d\u0638 \u0623\u0646\u0647 \u064a\u062a\u0645 \u062a\u062e\u0632\u064a\u0646 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0644\u0643\u0644 \u0648\u0644\u0627\u064a\u0629 \u0641\u064a <strong>results$x<\/strong> . \u0633\u0646\u0642\u0648\u0645 \u0623\u064a\u0636\u064b\u0627 \u0628\u0636\u0631\u0628 \u0647\u0630\u0647 \u0627\u0644\u062f\u0631\u062c\u0627\u062a \u0641\u064a -1 \u0644\u0639\u0643\u0633 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#reverse the signs of the scores\n<\/span>results$x &lt;- -1*results$x\n\n<span style=\"color: #008080;\">#display the first six scores\n<span style=\"color: #000000;\">head(results$x)<\/span>\n<\/span><span style=\"color: #000000;\">\n                  PC1 PC2 PC3 PC4\nAlabama 0.9756604 -1.1220012 0.43980366 -0.154696581\nAlaska 1.9305379 -1.0624269 -2.01950027 0.434175454\nArizona 1.7454429 0.7384595 -0.05423025 0.826264240\nArkansas -0.1399989 -1.1085423 -0.11342217 0.180973554\nCalifornia 2.4986128 1.5274267 -0.59254100 0.338559240\nColorado 1.4993407 0.9776297 -1.08400162 -0.001450164\n<\/span><\/strong><\/pre>\n<h3 style=\";text-align:right;direction:rtl\"> <strong>\u0627\u0644\u062e\u0637\u0648\u0629 3: \u062a\u0635\u0648\u0631 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062e\u0637\u0637 \u062b\u0646\u0627\u0626\u064a<\/strong><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0639\u062f \u0630\u0644\u0643\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0625\u0646\u0634\u0627\u0621 \u0645\u062e\u0637\u0637 <strong>\u062b\u0646\u0627\u0626\u064a<\/strong> &#8211; \u0645\u062e\u0637\u0637 \u064a\u0639\u0631\u0636 \u0643\u0644 \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0639\u0644\u0649 \u0645\u062e\u0637\u0637 \u0645\u0628\u0639\u062b\u0631 \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0643\u0648\u0646\u064a\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u064a\u0646 \u0627\u0644\u0623\u0648\u0644 \u0648\u0627\u0644\u062b\u0627\u0646\u064a \u0643\u0645\u062d\u0627\u0648\u0631:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u062d\u0638 \u0623\u0646 <strong>\u0627\u0644\u0645\u0642\u064a\u0627\u0633 = 0<\/strong> \u064a\u0636\u0645\u0646 \u062a\u063a\u064a\u064a\u0631 \u062d\u062c\u0645 \u0627\u0644\u0623\u0633\u0647\u0645 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0645\u062e\u0637\u0637 \u0644\u062a\u0645\u062b\u064a\u0644 \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u062d\u0645\u064a\u0644.<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>biplot(results, scale = <span style=\"color: #008000;\">0<\/span> )\n<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12281 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pca1.png\" alt=\"Biplot \u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0641\u064a R\" width=\"465\" height=\"464\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0645\u0646 \u0627\u0644\u0645\u062e\u0637\u0637 \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u0631\u0649 \u0643\u0644 \u0648\u0644\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u062e\u0645\u0633\u064a\u0646 \u0645\u0645\u062b\u0644\u0629 \u0641\u064a \u0645\u0633\u0627\u062d\u0629 \u0628\u0633\u064a\u0637\u0629 \u062b\u0646\u0627\u0626\u064a\u0629 \u0627\u0644\u0623\u0628\u0639\u0627\u062f.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0627\u0644\u062f\u0648\u0644 \u0627\u0644\u0642\u0631\u064a\u0628\u0629 \u0645\u0646 \u0628\u0639\u0636\u0647\u0627 \u0627\u0644\u0628\u0639\u0636 \u0639\u0644\u0649 \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u064a \u0644\u062f\u064a\u0647\u0627 \u0623\u0646\u0645\u0627\u0637 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0645\u0627\u062b\u0644\u0629 \u0641\u064a\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0628\u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u064a\u0636\u064b\u0627 \u0623\u0646 \u0646\u0631\u0649 \u0623\u0646 \u0628\u0639\u0636 \u0627\u0644\u062f\u0648\u0644 \u062a\u0631\u062a\u0628\u0637 \u0628\u0642\u0648\u0629 \u0628\u062c\u0631\u0627\u0626\u0645 \u0645\u0639\u064a\u0646\u0629 \u0623\u0643\u062b\u0631 \u0645\u0646 \u063a\u064a\u0631\u0647\u0627. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u062c\u0648\u0631\u062c\u064a\u0627 \u0647\u064a \u0627\u0644\u0648\u0644\u0627\u064a\u0629 \u0627\u0644\u0623\u0642\u0631\u0628 \u0625\u0644\u0649 \u0645\u062a\u063a\u064a\u0631 <em>\u0627\u0644\u0642\u062a\u0644<\/em> \u0641\u064a \u0627\u0644\u0645\u0624\u0627\u0645\u0631\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0625\u0630\u0627 \u0646\u0638\u0631\u0646\u0627 \u0625\u0644\u0649 \u0627\u0644\u0648\u0644\u0627\u064a\u0627\u062a \u0627\u0644\u062a\u064a \u0644\u062f\u064a\u0647\u0627 \u0623\u0639\u0644\u0649 \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u0642\u062a\u0644 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u0631\u0649 \u0623\u0646 \u062c\u0648\u0631\u062c\u064a\u0627 \u062a\u062a\u0635\u062f\u0631 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0628\u0627\u0644\u0641\u0639\u0644:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#display states with highest murder rates in original dataset<\/span>\nhead(USArrests[ <span style=\"color: #3366ff;\">order<\/span> (-USArrests$Murder),])\n\n               Murder Assault UrbanPop Rape\nGeorgia 17.4 211 60 25.8\nMississippi 16.1 259 44 17.1\nFlorida 15.4 335 80 31.9\nLouisiana 15.4 249 66 22.2\nSouth Carolina 14.4 279 48 22.5\nAlabama 13.2 236 58 21.2<\/strong><\/pre>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u062e\u0637\u0648\u0629 4: \u0627\u0628\u062d\u062b \u0639\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0645\u0648\u0636\u062d \u0644\u0643\u0644 \u0645\u0643\u0648\u0646 \u0631\u0626\u064a\u0633\u064a<\/strong><\/span><\/h3>\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 \u0627\u0644\u0643\u0648\u062f \u0627\u0644\u062a\u0627\u0644\u064a \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0627\u0644\u0645\u0648\u0636\u062d\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 \u0643\u0644 \u0645\u0643\u0648\u0646 \u0631\u0626\u064a\u0633\u064a:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate total variance explained by each principal component\n<\/span>results$sdev^2 \/ <span style=\"color: #3366ff;\">sum<\/span> (results$sdev^2)\n\n[1] 0.62006039 0.24744129 0.08914080 0.04335752\n<\/strong><\/pre>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0645\u0646 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u064a\u0645\u0643\u0646\u0646\u0627 \u0645\u0644\u0627\u062d\u0638\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0634\u0631\u062d \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0623\u0648\u0644 <strong>62%<\/strong> \u0645\u0646 \u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u064a\u0641\u0633\u0631 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u062b\u0627\u0646\u064a <strong>24.7%<\/strong> \u0645\u0646 \u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u064a\u0641\u0633\u0631 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u062b\u0627\u0644\u062b <strong>8.9%<\/strong> \u0645\u0646 \u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u064a\u0634\u0631\u062d \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0631\u0627\u0628\u0639 <strong>4.3%<\/strong> \u0645\u0646 \u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u0643\u0648\u0646\u064a\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u064a\u0646 \u0627\u0644\u0623\u0648\u0644\u064a\u0646 \u064a\u0641\u0633\u0631\u0627\u0646 \u063a\u0627\u0644\u0628\u064a\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0647\u0630\u0647 \u0639\u0644\u0627\u0645\u0629 \u062c\u064a\u062f\u0629 \u0644\u0623\u0646 \u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0633\u0627\u0628\u0642 \u0623\u0633\u0642\u0637 \u0643\u0644 \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0645\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u0639\u0644\u0649 \u0645\u062e\u0637\u0637 \u0627\u0644\u062a\u0634\u062a\u062a \u0627\u0644\u0630\u064a \u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0641\u0642\u0637 \u0627\u0644\u0645\u0643\u0648\u0646\u064a\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u064a\u0646 \u0627\u0644\u0623\u0648\u0644\u064a\u0646.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0641\u0645\u0646 \u0627\u0644\u0635\u062d\u064a\u062d \u0641\u062d\u0635 \u0627\u0644\u0623\u0646\u0645\u0627\u0637 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0645\u062e\u0637\u0637 \u0627\u0644\u062b\u0646\u0627\u0626\u064a \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0645\u062a\u0634\u0627\u0628\u0647\u0629 \u0645\u0639 \u0628\u0639\u0636\u0647\u0627 \u0627\u0644\u0628\u0639\u0636.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u064a\u0636\u064b\u0627 \u0625\u0646\u0634\u0627\u0621 <strong>\u0645\u062e\u0637\u0637 \u062d\u0635\u0648\u064a<\/strong> \u2013 \u0631\u0633\u0645 \u0628\u064a\u0627\u0646\u064a \u064a\u0639\u0631\u0636 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u0645\u0648\u0636\u062d \u0628\u0648\u0627\u0633\u0637\u0629 \u0643\u0644 \u0645\u0643\u0648\u0646 \u0631\u0626\u064a\u0633\u064a \u2013 \u0644\u062a\u0635\u0648\u0631 \u0646\u062a\u0627\u0626\u062c PCA:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate total variance explained by each principal component\n<\/span>var_explained = results$sdev^2 \/ <span style=\"color: #3366ff;\">sum<\/span> (results$sdev^2)\n\n<span style=\"color: #008080;\">#create scree plot\n<\/span>qplot(c(1:4), var_explained) + \n  geom_line() + \n  xlab(\" <span style=\"color: #008000;\">Principal Component<\/span> \") + \n  ylab(\" <span style=\"color: #008000;\">Variance Explained<\/span> \") +\n  ggtitle(\" <span style=\"color: #008000;\">Scree Plot<\/span> \") +\n  ylim(0, 1)<\/strong> <\/pre>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12282 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pca2.png\" alt=\"\u062a\u0636\u0627\u0631\u064a\u0633 \u0635\u062e\u0631\u064a\u0629 \u0639\u0644\u0649 \u0634\u0643\u0644 \u062d\u0631\u0641 R\" width=\"427\" height=\"428\" srcset=\"\" sizes=\"\"><\/p>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0641\u064a \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/strong><\/span><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629\u060c \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 PCA \u0641\u064a \u0623\u063a\u0644\u0628 \u0627\u0644\u0623\u062d\u064a\u0627\u0646 \u0644\u0633\u0628\u0628\u064a\u0646:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>1. \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u0643\u0634\u0627\u0641\u064a\u0629<\/strong> &#8211; \u0646\u0633\u062a\u062e\u062f\u0645 PCA \u0639\u0646\u062f\u0645\u0627 \u0646\u0633\u062a\u0643\u0634\u0641 \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0644\u0623\u0648\u0644 \u0645\u0631\u0629 \u0648\u0646\u0631\u064a\u062f \u0623\u0646 \u0646\u0641\u0647\u0645 \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0644\u0623\u0643\u062b\u0631 \u062a\u0634\u0627\u0628\u0647\u0627\u064b \u0641\u064a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0639 \u0628\u0639\u0636\u0647\u0627 \u0627\u0644\u0628\u0639\u0636.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>2. \u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a<\/strong> &#8211; \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u064a\u0636\u064b\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 PCA \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0648\u0627\u0644\u062a\u064a \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u0628\u0639\u062f \u0630\u0644\u0643 \u0641\u064a <a href=\"https:\/\/statorials.org\/ar\/\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a-\u0627\u0644\u0631\u064a\u0654\u064a\u0633\u064a\u0629-\u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631-\u0641\u064a-\u0635\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a<\/a> . \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 <a href=\"https:\/\/statorials.org\/ar\/\u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631-\u0645\u062a\u0639\u062f\u062f-\u0627\u0644\u062e\u0637\u064a\u0629\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u0639\u0644\u0627\u0642\u0629 \u062e\u0637\u064a\u0629 \u0645\u062a\u0639\u062f\u062f\u0629<\/a> \u0628\u064a\u0646 \u0627\u0644\u0645\u062a\u0646\u0628\u0626\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/p>\n<hr>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0645\u0643\u0646 \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0631\u0645\u0632 R \u0627\u0644\u0643\u0627\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u064a <a href=\"https:\/\/github.com\/- Statorials\/R-Guides\/blob\/main\/pca.R\" target=\"_blank\" rel=\"noopener noreferrer\">\u0647\u0646\u0627<\/a> .<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629\u060c \u0648\u0627\u0644\u0630\u064a \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062a\u0645 \u0627\u062e\u062a\u0635\u0627\u0631\u0647 PCA\u060c \u0647\u0648 \u062a\u0642\u0646\u064a\u0629 \u062a\u0639\u0644\u0645 \u0622\u0644\u064a \u063a\u064a\u0631 \u062e\u0627\u0636\u0639\u0629 \u0644\u0644\u0631\u0642\u0627\u0628\u0629 \u062a\u0633\u0639\u0649 \u0625\u0644\u0649 \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 &#8211; \u0645\u062c\u0645\u0648\u0639\u0627\u062a \u062e\u0637\u064a\u0629 \u0645\u0646 \u0627\u0644\u0645\u062a\u0646\u0628\u0626\u064a\u0646 \u0627\u0644\u0623\u0635\u0644\u064a\u064a\u0646 &#8211; \u0627\u0644\u062a\u064a \u062a\u0641\u0633\u0631 \u062c\u0632\u0621\u064b\u0627 \u0643\u0628\u064a\u0631\u064b\u0627 \u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a. \u0627\u0644\u0647\u062f\u0641 \u0645\u0646 PCA \u0647\u0648 \u0634\u0631\u062d \u0645\u0639\u0638\u0645 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0623\u0642\u0644 \u0645\u0646 \u0645\u062c\u0645\u0648\u0639\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>\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0641\u064a R: \u0645\u062b\u0627\u0644 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/title>\n<meta name=\"description\" content=\"\u064a\u0642\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u064a \u0645\u062b\u0627\u0644\u0627\u064b \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629 \u0644\u0643\u064a\u0641\u064a\u0629 \u0625\u062c\u0631\u0627\u0621 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0641\u064a R.\" \/>\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\/ar\/\u062a\u062d\u0644\u064a\u0644-\u0627\u0644\u0645\u0643\u0648\u0646-\u0627\u0644\u0631\u064a\u0654\u064a\u0633\u064a-\u0641\u064a-\u0635\/\" \/>\n<meta property=\"og:locale\" content=\"az_AZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0641\u064a R: \u0645\u062b\u0627\u0644 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629\" \/>\n<meta property=\"og:description\" content=\"\u064a\u0642\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c 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content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u062f\u0643\u062a\u0648\u0631 \u0628\u0646\u064a\u0627\u0645\u064a\u0646 \u0623\u0646\u062f\u0631\u0633\u0648\u0646\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/ar\/%d8%aa%d8%ad%d9%84%d9%8a%d9%84-%d8%a7%d9%84%d9%85%d9%83%d9%88%d9%86-%d8%a7%d9%84%d8%b1%d9%8a%d9%94%d9%8a%d8%b3%d9%8a-%d9%81%d9%8a-%d8%b5\/\",\"url\":\"https:\/\/statorials.org\/ar\/%d8%aa%d8%ad%d9%84%d9%8a%d9%84-%d8%a7%d9%84%d9%85%d9%83%d9%88%d9%86-%d8%a7%d9%84%d8%b1%d9%8a%d9%94%d9%8a%d8%b3%d9%8a-%d9%81%d9%8a-%d8%b5\/\",\"name\":\"\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u0643\u0648\u0646 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