<\/p>\n
\u0639\u0627\u062f\u0629\u064b\u060c \u0639\u0646\u062f\u0645\u0627 \u0646\u0642\u0648\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u0646\u062d\u062f\u0627\u0631 \u062e\u0637\u064a \u0645\u062a\u0639\u062f\u062f<\/a> \u060c \u0641\u0625\u0646 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0641\u064a \u0645\u062e\u0631\u062c\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0644\u064a\u0633\u062a \u0645\u0648\u062d\u062f\u0629<\/strong> \u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0647\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0644\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0627\u0644\u062e\u0637 \u0627\u0644\u0623\u0643\u062b\u0631 \u0645\u0644\u0627\u0626\u0645\u0629.<\/span><\/p>\n \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u062a\u0648\u062d\u064a\u062f<\/strong> \u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626 \u0648\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 (\u0639\u0646 \u0637\u0631\u064a\u0642 \u0637\u0631\u062d \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0644\u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0645\u0646 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0623\u0635\u0644\u064a\u0629 \u062b\u0645 \u0642\u0633\u0645\u062a\u0647\u0627 \u0639\u0644\u0649 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0644\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a) \u062b\u0645 \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0645\u0648\u062d\u062f\u0629<\/strong> .<\/span><\/p>\n \u0625\u0646 \u0623\u0628\u0633\u0637 \u0637\u0631\u064a\u0642\u0629 \u0644\u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0641\u064a R \u0647\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062f\u0627\u0644\u0629scale()<\/a> \u0644\u062a\u0648\u062d\u064a\u062f \u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0641\u064a \u0627\u0644\u0646\u0645\u0648\u0630\u062c:<\/span><\/p>\n \u064a\u0648\u0636\u062d \u0627\u0644\u0645\u062b\u0627\u0644 \u0627\u0644\u062a\u0627\u0644\u064a \u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0645\u0648\u062d\u062f\u0629 \u0639\u0645\u0644\u064a\u064b\u0627.<\/span><\/p>\n \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 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u0627\u0644\u0639\u0645\u0631 \u0648\u0627\u0644\u0642\u062f\u0645 \u0627\u0644\u0645\u0631\u0628\u0639 \u0648\u0633\u0639\u0631 \u0627\u0644\u0628\u064a\u0639 \u0644\u0640 12 \u0645\u0646\u0632\u0644\u064b\u0627:<\/span><\/p>\n \u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0642\u0645\u0646\u0627 \u0628\u0639\u062f \u0630\u0644\u0643 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u0646\u062d\u062f\u0627\u0631 \u062e\u0637\u064a \u0645\u062a\u0639\u062f\u062f \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0639\u0645\u0631<\/strong> \u0648\u0627\u0644\u0642\u062f\u0645 \u0627\u0644\u0645\u0631\u0628\u0639<\/strong> \u0643\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0645\u062a\u0648\u0642\u0639\u0629 \u0648\u0627\u0644\u0633\u0639\u0631<\/strong> \u0643\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629:<\/span><\/p>\n \u0648\u0645\u0646 \u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u064a\u0645\u0643\u0646\u0646\u0627 \u0645\u0644\u0627\u062d\u0638\u0629 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u063a\u064a\u0631 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a\u0629<\/strong> :<\/span><\/p>\n \u0644\u0644\u0648\u0647\u0644\u0629 \u0627\u0644\u0623\u0648\u0644\u0649\u060c \u064a\u0628\u062f\u0648 \u0623\u0646 \u0627\u0644\u0639\u0645\u0631 \u0644\u0647 \u062a\u0623\u062b\u064a\u0631 \u0623\u0643\u0628\u0631 \u0628\u0643\u062b\u064a\u0631 \u0639\u0644\u0649 \u0623\u0633\u0639\u0627\u0631 \u0627\u0644\u0639\u0642\u0627\u0631\u0627\u062a \u062d\u064a\u062b \u0623\u0646 \u0645\u0639\u0627\u0645\u0644\u0647 \u0641\u064a \u062c\u062f\u0648\u0644 \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0647\u0648 -409.833<\/strong> \u060c \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0640 100.866<\/strong> \u0641\u0642\u0637 \u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u062a\u0648\u0642\u0639 \u0628\u0627\u0644\u0642\u062f\u0645 \u0627\u0644\u0645\u0631\u0628\u0639.<\/span><\/p>\n \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u062e\u0637\u0623 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0623\u0643\u0628\u0631 \u0628\u0643\u062b\u064a\u0631 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0639\u0645\u0631 \u0645\u0646\u0647 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0642\u062f\u0645 \u0627\u0644\u0645\u0631\u0628\u0639\u060c \u0648\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u062a\u0643\u0648\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 p \u0627\u0644\u0645\u0642\u0627\u0628\u0644\u0629 \u0643\u0628\u064a\u0631\u0629 \u0628\u0627\u0644\u0641\u0639\u0644 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0639\u0645\u0631 (\u0639 = 0.520) \u0648\u0635\u063a\u064a\u0631\u0629 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u0631\u0628\u0639\u0627\u062a \u0627\u0644\u0642\u062f\u0645 \u0627\u0644\u0645\u0631\u0628\u0639 (\u0639 = 0.000).<\/span><\/p>\n \u0648\u064a\u0631\u062c\u0639 \u0633\u0628\u0628 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u0634\u062f\u064a\u062f \u0641\u064a \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0625\u0644\u0649 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641 \u0627\u0644\u0634\u062f\u064a\u062f \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u064a\u064a\u0633 \u0644\u0644\u0645\u062a\u063a\u064a\u0631\u064a\u0646:<\/span><\/p>\n \u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0630\u0644\u0643 \u0642\u0645\u0646\u0627 \u0628\u062a\u0637\u0628\u064a\u0639<\/strong> \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0648\u062a\u0646\u0627\u0633\u0628 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u062c\u062f\u064a\u062f:<\/span><\/p>\n \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062c\u062f\u0648\u0644 \u0645\u0648\u062d\u062f\u0629<\/strong> \u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0647\u0627 \u0627\u0633\u062a\u062e\u062f\u0645\u062a \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0648\u062d\u062f\u0629 \u0644\u062a\u0646\u0627\u0633\u0628 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0647\u0630\u0627.<\/span><\/p>\n \u0648\u0637\u0631\u064a\u0642\u0629 \u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0641\u064a \u0627\u0644\u062c\u062f\u0648\u0644 \u0647\u064a \u0643\u0645\u0627 \u064a\u0644\u064a:<\/span><\/p>\n \u064a\u0645\u0643\u0646\u0646\u0627 \u0627\u0644\u0622\u0646 \u0623\u0646 \u0646\u0631\u0649 \u0623\u0646 \u0627\u0644\u0642\u062f\u0645 \u0627\u0644\u0645\u0631\u0628\u0639\u0629 \u0644\u0647\u0627 \u062a\u0623\u062b\u064a\u0631 \u0623\u0643\u0628\u0631 \u0628\u0643\u062b\u064a\u0631 \u0639\u0644\u0649 \u0623\u0633\u0639\u0627\u0631 \u0627\u0644\u0645\u0646\u0627\u0632\u0644 \u0645\u0646 \u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0639\u0645\u0631.<\/span><\/p>\n \u0645\u0644\u0627\u062d\u0638\u0629<\/strong> : \u0627\u0644\u0642\u064a\u0645 p \u0644\u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626 \u0647\u064a \u0646\u0641\u0633\u0647\u0627 \u062a\u0645\u0627\u0645\u064b\u0627 \u062a\u0644\u0643 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0633\u0627\u0628\u0642.<\/span><\/p>\n \u0639\u0646\u062f \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0627\u0644\u0630\u064a \u0633\u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u060c \u0646\u0639\u0644\u0645 \u0627\u0644\u0622\u0646 \u0623\u0646 \u0627\u0644\u0642\u062f\u0645 \u0627\u0644\u0645\u0631\u0628\u0639\u0629<\/strong> \u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0641\u064a \u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0633\u0639\u0631 \u0627\u0644\u0645\u0646\u0632\u0644 \u0645\u0646 \u0639\u0645\u0631\u0647<\/strong> .<\/span><\/p>\n \u062a\u0648\u0641\u0631 \u0627\u0644\u0628\u0631\u0627\u0645\u062c \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u064a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u062d\u0648\u0644 \u0646\u0645\u0627\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631:<\/span><\/p>\n \u0643\u064a\u0641\u064a\u0629 \u0642\u0631\u0627\u0621\u0629 \u0648\u062a\u0641\u0633\u064a\u0631 \u062c\u062f\u0648\u0644 \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631<\/a> \u0639\u0627\u062f\u0629\u064b\u060c \u0639\u0646\u062f\u0645\u0627 \u0646\u0642\u0648\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u0646\u062d\u062f\u0627\u0631 \u062e\u0637\u064a \u0645\u062a\u0639\u062f\u062f \u060c \u0641\u0625\u0646 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0641\u064a \u0645\u062e\u0631\u062c\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0644\u064a\u0633\u062a \u0645\u0648\u062d\u062f\u0629 \u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0647\u0627 \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0623\u0648\u0644\u064a\u0629 \u0644\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0627\u0644\u062e\u0637 \u0627\u0644\u0623\u0643\u062b\u0631 \u0645\u0644\u0627\u0626\u0645\u0629. model <- lm(price ~ age + sqfeet, data=df) \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u062a\u0648\u062d\u064a\u062f \u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626 \u0648\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 (\u0639\u0646 \u0637\u0631\u064a\u0642 \u0637\u0631\u062d \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0644\u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0645\u0646 […]<\/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":"\n model <- lm(price ~ age + sqfeet, data=df)\n<\/strong><\/pre>\n
model <- lm(scale(price) ~ scale(age) + scale(sqfeet), data=df)<\/strong><\/pre>\n
\u0645\u062b\u0627\u0644: \u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0645\u0648\u062d\u062f\u0629 \u0641\u064a R<\/strong><\/h2>\n
#create data frame\n<\/span>df <- data. frame<\/span> (age=c(4, 7, 10, 15, 16, 18, 24, 28, 30, 35, 40, 44),\n sqfeet=c(2600, 2800, 1700, 1300, 1500, 1800,\n 1200, 2200, 1800, 1900, 2100, 1300),\n price=c(280000, 340000, 195000, 180000, 150000, 200000,\n 180000, 240000, 200000, 180000, 260000, 140000))\n\n#view data frame\n<\/span>df\n\n age square feet price\n1 4 2600 280000\n2 7 2800 340000\n3 10 1700 195000\n4 15 1300 180000\n5 16 1500 150000\n6 18 1800 200000\n7 24 1200 180000\n8 28 2200 240000\n9 30 1800 200000\n10 35 1900 180000\n11 40 2100 260000\n12 44 1300 140000\n<\/strong><\/pre>\n #fit regression model\n<\/span>model <- lm(price ~ age + sqfeet, data=df)\n\n#view model summary\n<\/span>summary(model)\n\nCall:\nlm(formula = price ~ age + sqfeet, data = df)\n\nResiduals:\n Min 1Q Median 3Q Max \n-32038 -10526 -6139 21641 34060 \n\nCoefficients:\n Estimate Std. Error t value Pr(>|t|) \n(Intercept) 34736.54 37184.32 0.934 0.374599 \nage -409.83 612.46 -0.669 0.520187 \nsqfeet 100.87 15.75 6.405 0.000125 ***\n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 24690 on 9 degrees of freedom\nMultiple R-squared: 0.8508, Adjusted R-squared: 0.8176 \nF-statistic: 25.65 on 2 and 9 DF, p-value: 0.0001916\n<\/strong><\/pre>\n\n
\n
#standardize each variable and fit regression model\n<\/span>model_std <- lm(scale(price) ~ scale(age) + scale(sqfeet), data=df)\n\n#turn off scientific notation<\/span>\noptions(scipen= 999<\/span> )\n\n#view model summary\n<\/span>summary(model_std)\n\nCall:\nlm(formula = scale(price) ~ scale(age) + scale(sqfeet), data = df)\n\nResiduals:\n Min 1Q Median 3Q Max \n-0.5541 -0.1820 -0.1062 0.3743 0.5891 \n\nCoefficients:\n Estimate Std. Error t value Pr(>|t|)\n(Intercept) -0.0000000000000002253 0.1232881457926768426 0.000 1.000000\nscale(age) -0.0924421263946849786 0.1381464029075653854 -0.669 0.520187\nscale(sqfeet) 0.8848591938302141635 0.1381464029075653577 6.405 0.000125\n \n(Intercept) \nscale(age) \nscale(sqfeet)***\n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 0.4271 on 9 degrees of freedom\nMultiple R-squared: 0.8508, Adjusted R-squared: 0.8176 \nF-statistic: 25.65 on 2 and 9 DF, p-value: 0.0001916\n<\/strong><\/pre>\n\n
\u0645\u0635\u0627\u062f\u0631 \u0625\u0636\u0627\u0641\u064a\u0629<\/strong><\/span><\/h2>\n
\u0643\u064a\u0641\u064a\u0629 \u062a\u0641\u0633\u064a\u0631 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631<\/a>
\u0643\u064a\u0641\u064a\u0629 \u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u0642\u064a\u0645 P \u0641\u064a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u062e\u0637\u064a<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"