{"id":2117,"date":"2023-07-23T15:01:59","date_gmt":"2023-07-23T15:01:59","guid":{"rendered":"https:\/\/statorials.org\/ar\/%d9%85%d8%aa%d8%b9%d8%af%d8%af-%d8%a7%d9%84%d8%ae%d8%b7%d9%8a%d8%a7%d8%aa-%d8%a7%d9%84%d9%83%d9%85%d8%a7%d9%84\/"},"modified":"2023-07-23T15:01:59","modified_gmt":"2023-07-23T15:01:59","slug":"%d9%85%d8%aa%d8%b9%d8%af%d8%af-%d8%a7%d9%84%d8%ae%d8%b7%d9%8a%d8%a7%d8%aa-%d8%a7%d9%84%d9%83%d9%85%d8%a7%d9%84","status":"publish","type":"post","link":"https:\/\/statorials.org\/ar\/%d9%85%d8%aa%d8%b9%d8%af%d8%af-%d8%a7%d9%84%d8%ae%d8%b7%d9%8a%d8%a7%d8%aa-%d8%a7%d9%84%d9%83%d9%85%d8%a7%d9%84\/","title":{"rendered":"\u0645\u0627 \u0647\u064a \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629\u061f (\u062a\u0639\u0631\u064a\u0641 \u0648\u0623\u0645\u062b\u0644\u0629)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p style=\";text-align:right;direction:rtl\"><span style=\"color: #000000;\">\u0641\u064a \u0627\u0644\u0625\u062d\u0635\u0627\u0621\u060c \u062a\u062d\u062f\u062b <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\">\u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629<\/a> \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u064a\u0646 \u0645\u062a\u063a\u064a\u0631\u064a\u0646 \u0623\u0648 \u0623\u0643\u062b\u0631 \u0645\u0646 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631\u060c \u0628\u062d\u064a\u062b \u0644\u0627 \u062a\u0648\u0641\u0631 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0641\u0631\u064a\u062f\u0629 \u0623\u0648 \u0645\u0633\u062a\u0642\u0644\u0629 \u0641\u064a \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637 \u0639\u0627\u0644\u064a\u0629 \u0628\u0645\u0627 \u064a\u0643\u0641\u064a \u0628\u064a\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a\u060c \u0641\u0642\u062f \u064a\u062a\u0633\u0628\u0628 \u0630\u0644\u0643 \u0641\u064a \u062d\u062f\u0648\u062b \u0645\u0634\u0643\u0644\u0627\u062a \u0639\u0646\u062f \u0645\u0644\u0627\u0621\u0645\u0629 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0648\u062a\u0641\u0633\u064a\u0631\u0647.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u062a\u0637\u0631\u0641\u064b\u0627 \u0644\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u062a\u0633\u0645\u0649 <strong>\u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629<\/strong> . \u064a\u062d\u062f\u062b \u0647\u0630\u0627 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0644\u0645\u062a\u063a\u064a\u0631\u064a\u0646 \u0623\u0648 \u0623\u0643\u062b\u0631 \u0639\u0644\u0627\u0642\u0629 \u062e\u0637\u064a\u0629 \u062f\u0642\u064a\u0642\u0629 \u0645\u0639 \u0628\u0639\u0636\u0647\u0645\u0627 \u0627\u0644\u0628\u0639\u0636.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646 \u0644\u062f\u064a\u0646\u0627 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19687 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult1.png\" alt=\"\" width=\"243\" height=\"345\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u062d\u0638 \u0623\u0646 \u0642\u064a\u0645 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0646\u0628\u0626 <sub>x2<\/sub> \u0647\u064a \u0628\u0628\u0633\u0627\u0637\u0629 \u0642\u064a\u0645 <sub>x1<\/sub> \u0645\u0636\u0631\u0648\u0628\u0629 \u0641\u064a 2.<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-19688\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult2.png\" alt=\"\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629\" width=\"241\" height=\"342\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0647\u0630\u0627 \u0645\u062b\u0627\u0644 \u0639\u0644\u0649 <strong>\u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629<\/strong> .<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629<\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0639\u0646\u062f \u0648\u062c\u0648\u062f \u0639\u0644\u0627\u0642\u0629 \u062e\u0637\u064a\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0645\u062b\u0627\u0644\u064a\u0629 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u0631\u0628\u0639\u0627\u062a \u0627\u0644\u0635\u063a\u0631\u0649 \u0627\u0644\u0639\u0627\u062f\u064a\u0629 \u063a\u064a\u0631 \u0642\u0627\u062f\u0631\u0629 \u0639\u0644\u0649 \u0625\u0646\u062a\u0627\u062c \u062a\u0642\u062f\u064a\u0631\u0627\u062a \u0644\u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639\u060c \u0644\u064a\u0633 \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u062a\u0642\u062f\u064a\u0631 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0647\u0627\u0645\u0634\u064a \u0644\u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626 (x <sub>1<\/sub> ) \u0639\u0644\u0649 \u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 (y) \u0645\u0639 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626 \u0622\u062e\u0631 (x <sub>2<\/sub> ) \u062b\u0627\u0628\u062a\u064b\u0627 \u0644\u0623\u0646 x <sub>2<\/sub> \u064a\u062a\u062d\u0631\u0643 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u0627\u0644\u0636\u0628\u0637 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u062d\u0631\u0643 x <sub>1<\/sub> .<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0627\u062e\u062a\u0635\u0627\u0631\u060c \u0641\u0625\u0646 \u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629 \u062a\u062c\u0639\u0644 \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062d\u064a\u0644 \u062a\u0642\u062f\u064a\u0631 \u0642\u064a\u0645\u0629 \u0644\u0643\u0644 \u0645\u0639\u0627\u0645\u0644 \u0641\u064a \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629<\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0625\u0646 \u0623\u0628\u0633\u0637 \u0637\u0631\u064a\u0642\u0629 \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629 \u0647\u064a \u0625\u0632\u0627\u0644\u0629 \u0623\u062d\u062f \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u064a \u0644\u0647\u0627 \u0639\u0644\u0627\u0642\u0629 \u062e\u0637\u064a\u0629 \u062f\u0642\u064a\u0642\u0629 \u0645\u0639 \u0645\u062a\u063a\u064a\u0631 \u0622\u062e\u0631.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0633\u0627\u0628\u0642\u0629\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0628\u0628\u0633\u0627\u0637\u0629 \u0625\u0632\u0627\u0644\u0629 x <sub>2<\/sub> \u0643\u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0648\u0642\u0639.<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19689 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult3.png\" alt=\"\" width=\"159\" height=\"335\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0633\u0646\u0642\u0648\u0645 \u0628\u0639\u062f \u0630\u0644\u0643 \u0628\u062a\u0631\u0643\u064a\u0628 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 x <sub>1<\/sub> \u0643\u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626 \u0648 y \u0643\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0623\u0645\u062b\u0644\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629<\/strong><\/span><\/h2>\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 \u0627\u0644\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0627\u0644\u062b\u0644\u0627\u062b\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627 \u0644\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0629.<\/span><\/p>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>1. \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0646\u0628\u0626 \u0647\u0648 \u0645\u0636\u0627\u0639\u0641 \u0644\u0645\u062a\u063a\u064a\u0631 \u0622\u062e\u0631<\/strong><\/span><\/h3>\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 &#8220;\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0627\u0644\u0633\u0646\u062a\u064a\u0645\u062a\u0631&#8221; \u0648&#8221;\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0627\u0644\u0623\u0645\u062a\u0627\u0631&#8221; \u0644\u0644\u062a\u0646\u0628\u0624 \u0628\u0648\u0632\u0646 \u0646\u0648\u0639 \u0645\u0639\u064a\u0646 \u0645\u0646 \u0627\u0644\u062f\u0644\u0627\u0641\u064a\u0646.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0630\u0627 \u0645\u0627 \u0642\u062f \u062a\u0628\u062f\u0648 \u0639\u0644\u064a\u0647 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0644\u062f\u064a\u0646\u0627:<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19691 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult4.png\" alt=\"\" width=\"243\" height=\"313\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u062d\u0638 \u0623\u0646 \u0642\u064a\u0645\u0629 &#8220;\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0627\u0644\u0633\u0646\u062a\u064a\u0645\u062a\u0631&#8221; \u062a\u0633\u0627\u0648\u064a \u0628\u0628\u0633\u0627\u0637\u0629 &#8220;\u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0628\u0627\u0644\u0645\u062a\u0631&#8221; \u0645\u0636\u0631\u0648\u0628\u064b\u0627 \u0641\u064a 100. \u0647\u0630\u0647 \u062d\u0627\u0644\u0629 \u062a\u0639\u062f\u062f \u062e\u0637\u064a \u0645\u062b\u0627\u0644\u064a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0625\u0630\u0627 \u062d\u0627\u0648\u0644\u0646\u0627 \u0645\u0644\u0627\u0621\u0645\u0629 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u062e\u0637\u064a \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0641\u064a R \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0630\u0647\u060c \u0641\u0644\u0646 \u0646\u062a\u0645\u0643\u0646 \u0645\u0646 \u0625\u0646\u062a\u0627\u062c \u062a\u0642\u062f\u064a\u0631 \u0645\u0639\u0627\u0645\u0644 \u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u062a\u0648\u0642\u0639 &#8220;\u0627\u0644\u0623\u0645\u062a\u0627\u0631&#8221;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (weight=c(400, 460, 470, 475, 490, 440, 430, 490, 500, 540),\n                 m=c(1.3, .7, .6, 1.3, 1.2, 1.5, 1.2, 1.6, 1.1, 1.4),\n                 cm=c(130, 70, 60, 130, 120, 150, 120, 160, 110, 140))\n\n<span style=\"color: #008080;\">#fit multiple linear regression model\n<\/span>model &lt;- lm(weight~m+cm, data=df)\n\n<span style=\"color: #008080;\">#view summary of model\n<\/span>summary(model)\n\nCall:\nlm(formula = weight ~ m + cm, data = df)\n\nResiduals:\n    Min 1Q Median 3Q Max \n-70,501 -25,501 5,183 19,499 68,590 \n\nCoefficients: (1 not defined because of singularities)\n            Estimate Std. Error t value Pr(&gt;|t|)    \n(Intercept) 458,676 53,403 8,589 2.61e-05 ***\nm 9.096 43.473 0.209 0.839    \ncm NA NA NA NA    \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 41.9 on 8 degrees of freedom\nMultiple R-squared: 0.005442, Adjusted R-squared: -0.1189 \nF-statistic: 0.04378 on 1 and 8 DF, p-value: 0.8395<\/strong><\/pre>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>2. \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0646\u0628\u0626 \u0647\u0648 \u0646\u0633\u062e\u0629 \u0645\u062d\u0648\u0644\u0629 \u0645\u0646 \u0645\u062a\u063a\u064a\u0631 \u0622\u062e\u0631<\/strong><\/span><\/h3>\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 &#8220;\u0627\u0644\u0646\u0642\u0627\u0637&#8221; \u0648&#8221;\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0645\u0642\u0627\u0633\u0629&#8221; \u0644\u0644\u062a\u0646\u0628\u0624 \u0628\u062a\u0642\u064a\u064a\u0645 \u0644\u0627\u0639\u0628\u064a \u0643\u0631\u0629 \u0627\u0644\u0633\u0644\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 &#8220;\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0645\u0642\u0627\u0633\u0629&#8221; \u064a\u062a\u0645 \u062d\u0633\u0627\u0628\u0647 \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0645\u0642\u0627\u0633\u0629 = (\u0627\u0644\u0646\u0642\u0627\u0637 \u2013 \u03bc <sub>\u0627\u0644\u0646\u0642\u0627\u0637<\/sub> ) \/ \u03c3 <sub>\u0627\u0644\u0646\u0642\u0627\u0637<\/sub><\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0630\u0627 \u0645\u0627 \u0642\u062f \u062a\u0628\u062f\u0648 \u0639\u0644\u064a\u0647 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0644\u062f\u064a\u0646\u0627:<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19693 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/parfaitmult5.png\" alt=\"\" width=\"275\" height=\"307\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u062d\u0638 \u0623\u0646 \u0643\u0644 \u0642\u064a\u0645\u0629 \u0645\u0646 &#8220;\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0645\u0642\u0627\u0633\u0629&#8221; \u0647\u064a \u0628\u0628\u0633\u0627\u0637\u0629 \u0646\u0633\u062e\u0629 \u0645\u0648\u062d\u062f\u0629 \u0645\u0646 &#8220;\u0627\u0644\u0646\u0642\u0627\u0637&#8221;. \u0647\u0630\u0647 \u0647\u064a \u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0625\u0630\u0627 \u062d\u0627\u0648\u0644\u0646\u0627 \u0645\u0644\u0627\u0621\u0645\u0629 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u062e\u0637\u064a \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0641\u064a R \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0630\u0647\u060c \u0641\u0644\u0646 \u0646\u062a\u0645\u0643\u0646 \u0645\u0646 \u0625\u0646\u062a\u0627\u062c \u062a\u0642\u062f\u064a\u0631 \u0645\u0639\u0627\u0645\u0644 \u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u062a\u0648\u0642\u0639 &#8220;\u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0645\u0642\u0627\u0633\u0629&#8221;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (rating=c(88, 83, 90, 94, 96, 78, 79, 91, 90, 82),\n                 pts=c(17, 19, 24, 29, 33, 15, 14, 29, 25, 22))\n\ndf$scaled_pts &lt;- (df$pts - mean(df$pts)) \/ sd(df$pts)\n\n<span style=\"color: #008080;\">#fit multiple linear regression model\n<\/span>model &lt;- lm(rating~pts+scaled_pts, data=df)\n\n<span style=\"color: #008080;\">#view summary of model\n<\/span>summary(model)\n\nCall:\nlm(formula = rating ~ pts + scaled_pts, data = df)\n\nResiduals:\n    Min 1Q Median 3Q Max \n-4.4932 -1.3941 -0.2935 1.3055 5.8412 \n\nCoefficients: (1 not defined because of singularities)\n            Estimate Std. Error t value Pr(&gt;|t|)    \n(Intercept) 67.4218 3.5896 18.783 6.67e-08 ***\npts 0.8669 0.1527 5.678 0.000466 ***\nscaled_pts NA NA NA NA    \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 2.953 on 8 degrees of freedom\nMultiple R-squared: 0.8012, Adjusted R-squared: 0.7763 \nF-statistic: 32.23 on 1 and 8 DF, p-value: 0.0004663\n<\/strong><\/pre>\n<h3 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>3. \u0627\u0644\u0645\u0635\u064a\u062f\u0629 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0629 \u0627\u0644\u0648\u0647\u0645\u064a\u0629<\/strong><\/span><\/h3>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0647\u0646\u0627\u0643 \u0633\u064a\u0646\u0627\u0631\u064a\u0648 \u0622\u062e\u0631 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u062f\u062b \u0641\u064a\u0647 \u062a\u0639\u062f\u062f \u062e\u0637\u064a \u0645\u062b\u0627\u0644\u064a \u064a\u064f\u0639\u0631\u0641 \u0628\u0627\u0633\u0645 <a href=\"https:\/\/statorials.org\/ar\/\u0645\u0635\u064a\u062f\u0629-\u0645\u062a\u063a\u064a\u0631\u0629-\u0648\u0647\u0645\u064a\u0629\/\" target=\"_blank\" rel=\"noopener\">\u0645\u0635\u064a\u062f\u0629 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0648\u0647\u0645\u064a<\/a> . \u0648\u0630\u0644\u0643 \u0639\u0646\u062f\u0645\u0627 \u0646\u0631\u064a\u062f \u0623\u0646 \u0646\u0623\u062e\u0630 \u0645\u062a\u063a\u064a\u0631\u064b\u0627 \u0641\u0626\u0648\u064a\u064b\u0627 \u0641\u064a \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0648\u0646\u062d\u0648\u0644\u0647 \u0625\u0644\u0649 &#8220;\u0645\u062a\u063a\u064a\u0631 \u0648\u0647\u0645\u064a&#8221; \u064a\u0623\u062e\u0630 \u0627\u0644\u0642\u064a\u0645 0\u060c 1\u060c 2\u060c \u0625\u0644\u062e.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0646\u0631\u064a\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0648\u0642\u0639 &#8220;\u0627\u0644\u0639\u0645\u0631&#8221; \u0648&#8221;\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0627\u062c\u062a\u0645\u0627\u0639\u064a\u0629&#8221; \u0644\u0644\u062a\u0646\u0628\u0624 \u0628\u0627\u0644\u062f\u062e\u0644:<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-13944 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannequin4.png\" alt=\"\" width=\"248\" height=\"311\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 &#8220;\u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0627\u062c\u062a\u0645\u0627\u0639\u064a\u0629&#8221; \u0643\u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0648\u0642\u0639\u060c \u064a\u062c\u0628 \u0639\u0644\u064a\u0646\u0627 \u0623\u0648\u0644\u0627\u064b \u062a\u062d\u0648\u064a\u0644\u0647 \u0625\u0644\u0649 \u0645\u062a\u063a\u064a\u0631 \u0648\u0647\u0645\u064a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0644\u0642\u064a\u0627\u0645 \u0628\u0630\u0644\u0643\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u062a\u0631\u0643 &#8220;\u0623\u0639\u0632\u0628&#8221; \u0643\u0642\u064a\u0645\u0629 \u0623\u0633\u0627\u0633\u064a\u0629\u060c \u0644\u0623\u0646 \u0647\u0630\u0627 \u064a\u062d\u062f\u062b \u0641\u064a \u0623\u063a\u0644\u0628 \u0627\u0644\u0623\u062d\u064a\u0627\u0646\u060c \u0648\u062a\u0639\u064a\u064a\u0646 \u0642\u064a\u0645 0 \u0623\u0648 1 \u0644\u0640 &#8220;\u0645\u062a\u0632\u0648\u062c&#8221; \u0648&#8221;\u0637\u0644\u0627\u0642&#8221; \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a:<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-13950 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannequin6.png\" alt=\"\" width=\"639\" height=\"323\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0633\u064a\u0643\u0648\u0646 \u0645\u0646 \u0627\u0644\u062e\u0637\u0623 \u0625\u0646\u0634\u0627\u0621 \u062b\u0644\u0627\u062b\u0629 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0648\u0647\u0645\u064a\u0629 \u062c\u062f\u064a\u062f\u0629 \u0639\u0644\u0649 \u0627\u0644\u0646\u062d\u0648 \u0627\u0644\u062a\u0627\u0644\u064a:<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-13973 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mannequinvartrap1.png\" alt=\"\" width=\"665\" height=\"298\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629\u060c \u064a\u0643\u0648\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 &#8220;\u0623\u0639\u0632\u0628&#8221; \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0645\u0632\u064a\u062c \u062e\u0637\u064a \u0645\u062b\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u064a\u0646 &#8220;\u0645\u062a\u0632\u0648\u062c&#8221; \u0648&#8221;\u0645\u0637\u0644\u0642&#8221;. \u0647\u0630\u0627 \u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0625\u0630\u0627 \u062d\u0627\u0648\u0644\u0646\u0627 \u0645\u0644\u0627\u0621\u0645\u0629 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u062e\u0637\u064a \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0641\u064a R \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0630\u0647\u060c \u0641\u0644\u0646 \u0646\u062a\u0645\u0643\u0646 \u0645\u0646 \u0625\u0646\u062a\u0627\u062c \u062a\u0642\u062f\u064a\u0631 \u0645\u0639\u0627\u0645\u0644 \u0644\u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (income=c(45, 48, 54, 57, 65, 69, 78, 83, 98, 104, 107),\n                 age=c(23, 25, 24, 29, 38, 36, 40, 59, 56, 64, 53),\n                 single=c(1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0),\n                 married=c(0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1),\n                 divorced=c(0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0))\n\n<span style=\"color: #008080;\">#fit multiple linear regression model\n<\/span>model &lt;- lm(income~age+single+married+divorced, data=df)\n\n<span style=\"color: #008080;\">#view summary of model\n<\/span>summary(model)\n\nCall:\nlm(formula = income ~ age + single + married + divorced, data = df)\n\nResiduals:\n    Min 1Q Median 3Q Max \n-9.7075 -5.0338 0.0453 3.3904 12.2454 \n\nCoefficients: (1 not defined because of singularities)\n            Estimate Std. Error t value Pr(&gt;|t|)   \n(Intercept) 16.7559 17.7811 0.942 0.37739   \nage 1.4717 0.3544 4.152 0.00428 **\nsingle -2.4797 9.4313 -0.263 0.80018   \nmarried NA NA NA NA   \ndivorced -8.3974 12.7714 -0.658 0.53187   \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 8.391 on 7 degrees of freedom\nMultiple R-squared: 0.9008, Adjusted R-squared: 0.8584 \nF-statistic: 21.2 on 3 and 7 DF, p-value: 0.0006865\n<\/strong><\/pre>\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\"> <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\">\u062f\u0644\u064a\u0644 \u0644\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0648VIF \u0641\u064a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u0639\u0627\u0645\u0644-\u0627\u0644\u062a\u0636\u062e\u0645-\u0627\u0644\u062a\u0628\u0627\u064a\u0646-\u0635\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 VIF \u0641\u064a R<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u0643\u064a\u0641\u064a\u0629-\u062d\u0633\u0627\u0628-\u0627\u0644\u062d\u064a\u0627\u0629-\u0641\u064a-\u0628\u064a\u062b\u0648\u0646\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 VIF \u0641\u064a \u0628\u0627\u064a\u062b\u0648\u0646<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u0643\u064a\u0641\u064a\u0629-\u062d\u0633\u0627\u0628-\u0627\u0644\u062d\u064a\u0627\u0629-\u0641\u064a-\u0627\u0655\u0643\u0633\u0644\/\" target=\"_blank\" rel=\"noopener\">\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 VIF \u0641\u064a \u0625\u0643\u0633\u0644<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0641\u064a \u0627\u0644\u0625\u062d\u0635\u0627\u0621\u060c \u062a\u062d\u062f\u062b \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u064a\u0646 \u0645\u062a\u063a\u064a\u0631\u064a\u0646 \u0623\u0648 \u0623\u0643\u062b\u0631 \u0645\u0646 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631\u060c \u0628\u062d\u064a\u062b \u0644\u0627 \u062a\u0648\u0641\u0631 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0641\u0631\u064a\u062f\u0629 \u0623\u0648 \u0645\u0633\u062a\u0642\u0644\u0629 \u0641\u064a \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u0627\u0631\u062a\u0628\u0627\u0637 \u0639\u0627\u0644\u064a\u0629 \u0628\u0645\u0627 \u064a\u0643\u0641\u064a \u0628\u064a\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a\u060c \u0641\u0642\u062f \u064a\u062a\u0633\u0628\u0628 \u0630\u0644\u0643 \u0641\u064a \u062d\u062f\u0648\u062b \u0645\u0634\u0643\u0644\u0627\u062a \u0639\u0646\u062f \u0645\u0644\u0627\u0621\u0645\u0629 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0648\u062a\u0641\u0633\u064a\u0631\u0647. \u0627\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u062a\u0637\u0631\u0641\u064b\u0627 \u0644\u0644\u062a\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u062a\u0633\u0645\u0649 [&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>\u0645\u0627 \u0647\u064a \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0645\u062b\u0627\u0644\u064a\u0629\u061f (\u062a\u0639\u0631\u064a\u0641 \u0648\u0623\u0645\u062b\u0644\u0629) - \u0639\u0644\u0645 \u0627\u0644\u0625\u062d\u0635\u0627\u0621<\/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 \u0634\u0631\u062d\u064b\u0627 \u0644\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u062e\u0637\u064a\u0629 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