<\/p>\n
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\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u0646\u0627\u0621 \u0627\u0644\u062c\u0645\u0644\u0629 \u0647\u0630\u0627 \u0644\u062d\u0633\u0627\u0628 \u0648\u062a\u0641\u0633\u064a\u0631 \u0646\u0633\u0628 \u0627\u0644\u0623\u0631\u062c\u062d\u064a\u0629 \u0644\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0641\u064a R.<\/span><\/p>\n \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 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a\u0629<\/strong> \u0645\u0646 \u062d\u0632\u0645\u0629 ISLR<\/strong> \u0641\u064a R.<\/span><\/p>\n \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\u062a\u062d\u0645\u064a\u0644 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\u0627\u0644\u0633\u062f\u0627\u062f.<\/span><\/p>\n \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u062a\u0631\u062a\u0628\u0637 \u0627\u0644\u0632\u064a\u0627\u062f\u0629 \u0628\u0645\u0642\u062f\u0627\u0631 \u0648\u062d\u062f\u0629 \u0648\u0627\u062d\u062f\u0629 \u0641\u064a \u0627\u0644\u0631\u0635\u064a\u062f<\/strong> \u0628\u0645\u062a\u0648\u0633\u0637 \u0632\u064a\u0627\u062f\u0629 \u0642\u062f\u0631\u0647\u0627 0.005988<\/strong> \u0641\u064a \u0633\u062c\u0644 \u0627\u062d\u062a\u0645\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u062e\u0644\u0641 \u0639\u0646 \u0627\u0644\u0633\u062f\u0627\u062f.<\/span><\/p>\n \u0628\u062f\u0644\u0627 \u0645\u0646 \u0630\u0644\u0643 \u0644\u062d\u0633\u0627\u0628 \u0646\u0633\u0628\u0629 \u0627\u0644\u0623\u0631\u062c\u062d\u064a\u0629 \u0644\u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u062a\u0648\u0642\u0639\u060c \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:<\/span><\/p>\n \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u064a\u0636\u064b\u0627 \u062d\u0633\u0627\u0628 \u0643\u0644 \u0646\u0633\u0628\u0629 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u062a \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0641\u0627\u0635\u0644 \u062b\u0642\u0629 95% \u0644\u0643\u0644 \u0646\u0633\u0628\u0629 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u062a:<\/span><\/p>\n \u062a\u0645\u062b\u0644 \u0646\u0633\u0628\u0629 \u0627\u0644\u0623\u0631\u062c\u062d\u064a\u0629 \u0644\u0643\u0644 \u0645\u0639\u0627\u0645\u0644 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0632\u064a\u0627\u062f\u0629 \u0641\u064a \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u062e\u0644\u0641 \u0639\u0646 \u0627\u0644\u0633\u062f\u0627\u062f \u0644\u0644\u0641\u0631\u062f\u060c \u0639\u0644\u0649 \u0627\u0641\u062a\u0631\u0627\u0636 \u0623\u0646 \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0645\u062a\u0648\u0642\u0639\u0629 \u0627\u0644\u0623\u062e\u0631\u0649 \u062a\u0638\u0644 \u062b\u0627\u0628\u062a\u0629.<\/span><\/p>\n \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0631\u0635\u064a\u062f<\/strong> \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0646\u0628\u0626 \u0644\u0647 \u0646\u0633\u0628\u0629 \u0627\u0644\u0623\u0631\u062c\u062d\u064a\u0629 1.0057<\/strong> .<\/span><\/p>\n \u0648\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0647 \u0645\u0642\u0627\u0628\u0644 \u0643\u0644 \u062f\u0648\u0644\u0627\u0631 \u0625\u0636\u0627\u0641\u064a \u0641\u064a \u0627\u0644\u0631\u0635\u064a\u062f \u0627\u0644\u0630\u064a \u064a\u062d\u0645\u0644\u0647 \u0627\u0644\u0641\u0631\u062f\u060c \u0641\u0625\u0646 \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u062a \u062a\u062e\u0644\u0641 \u0627\u0644\u0641\u0631\u062f \u0639\u0646 \u0633\u062f\u0627\u062f \u0642\u0631\u0636\u0647 \u062a\u0632\u064a\u062f \u0628\u0639\u0627\u0645\u0644 \u0642\u062f\u0631\u0647 1.0057<\/strong> \u060c \u0628\u0627\u0641\u062a\u0631\u0627\u0636 \u0628\u0642\u0627\u0621 \u062d\u0627\u0644\u0629 \u0627\u0644\u0637\u0627\u0644\u0628 \u0648\u0627\u0644\u062f\u062e\u0644 \u062b\u0627\u0628\u062a\u064a\u0646<\/em> .<\/span><\/p>\n \u064a\u0645\u0643\u0646\u0646\u0627 \u062a\u0641\u0633\u064a\u0631 \u0646\u0633\u0628 \u0627\u0644\u0623\u0631\u062c\u062d\u064a\u0629 \u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0648\u0642\u0639 \u0627\u0644\u0623\u062e\u0631\u0649 \u0628\u0646\u0641\u0633 \u0627\u0644\u0637\u0631\u064a\u0642\u0629.<\/span><\/p>\n \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 \u0641\u064a R:<\/span><\/p>\n \u0643\u064a\u0641\u064a\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 Predict() \u0645\u0639 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0641\u064a R<\/a> \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0647\u0648 \u0637\u0631\u064a\u0642\u0629 \u064a\u0645\u0643\u0646\u0646\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u0644\u062a\u0646\u0627\u0633\u0628 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0639\u0646\u062f\u0645\u0627 \u064a\u0643\u0648\u0646 \u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u062b\u0646\u0627\u0626\u064a\u064b\u0627. \u0639\u0646\u062f\u0645\u0627 \u062a\u0646\u0627\u0633\u0628 \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0641\u064a R\u060c \u062a\u0645\u062b\u0644 \u0627\u0644\u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0645\u0644\u062e\u0635 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u062a\u063a\u064a\u0631 \u0641\u064a \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u062a \u0627\u0644\u0633\u062c\u0644 \u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0627\u0644\u0645\u0631\u062a\u0628\u0637 \u0628\u0632\u064a\u0627\u062f\u0629 \u0648\u062d\u062f\u0629 \u0648\u0627\u062d\u062f\u0629 \u0641\u064a \u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0645\u062a\u0646\u0628\u0626. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u0646\u0631\u063a\u0628 \u0641\u064a \u062d\u0633\u0627\u0628 \u0646\u0633\u0628\u0629 \u0627\u0644\u0623\u0631\u062c\u062d\u064a\u0629 \u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0648\u0642\u0639 \u0641\u064a \u0627\u0644\u0646\u0645\u0648\u0630\u062c […]<\/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 exp(coef(model))\n<\/strong><\/pre>\n
exp(cbind(Odds_Ratio = coef(model), confint(model)))<\/strong><\/pre>\n
\u0645\u062b\u0627\u0644: \u062d\u0633\u0627\u0628 \u0646\u0633\u0628 \u0627\u0644\u0623\u0631\u062c\u062d\u064a\u0629 \u0641\u064a \u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0641\u064a \u0644\u063a\u0629 R<\/strong><\/span><\/h2>\n
library<\/span> (ISLR)\n\n#view first five rows of Default dataset\n<\/span>head(Default)\n\n default student balance income\n1 No No 729.5265 44361.625\n2 No Yes 817.1804 12106.135\n3 No No 1073.5492 31767.139\n4 No No 529.2506 35704.494\n5 No No 785.6559 38463.496\n6 No Yes 919.5885 7491.559<\/strong><\/pre>\n\n
#fit logistic regression model<\/span>\nmodel <- glm(default~student+balance+income, family=' binomial<\/span> ', data=Default)\n\n#disable scientific notation for model summary<\/span>\noptions(scipen=999)\n\n#view model summary<\/span>\nsummary(model)\n\nCall:\nglm(formula = default ~ student + balance + income, family = \"binomial\", \n data = train)\n\nDeviance Residuals: \n Min 1Q Median 3Q Max \n-2.5586 -0.1353 -0.0519 -0.0177 3.7973 \n\nCoefficients:\n Estimate Std. Error z value Pr(>|z|) \n(Intercept) -11.478101194 0.623409555 -18.412 <0.0000000000000002 ***\nstudentYes -0.493292438 0.285735949 -1.726 0.0843 . \nbalance 0.005988059 0.000293765 20.384 <0.0000000000000002 ***\nincome 0.000007857 0.000009965 0.788 0.4304 \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\n(Dispersion parameter for binomial family taken to be 1)\n\n Null deviance: 2021.1 on 6963 degrees of freedom\nResidual deviance: 1065.4 on 6960 degrees of freedom\nAIC: 1073.4\n\nNumber of Fisher Scoring iterations: 8\n<\/strong><\/pre>\n #calculate odds ratio for each predictor variable<\/span>\nexp(coef(model))\n\n (Intercept) studentYes balance income \n0.00001903854 0.52373166965 1.00575299051 1.00000303345 \n<\/strong><\/pre>\n #calculate odds ratio and 95% confidence interval for each predictor variable<\/span> \nexp(cbind(Odds_Ratio = coef(model), confint(model)))\n\n Odds_Ratio 2.5% 97.5%\n(Intercept) 0.00001903854 0.000007074481 0.0000487808\nstudentYes 0.52373166965 0.329882707270 0.8334223982\nbalance 1.00575299051 1.005308940686 1.0062238757\nincome 1.00000303345 0.999986952969 1.0000191246\n<\/strong><\/pre>\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 Pr(>|z|) \u0641\u064a \u0645\u062e\u0631\u062c\u0627\u062a \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0641\u064a R<\/a>
\u0643\u064a\u0641\u064a\u0629 \u0631\u0633\u0645 \u0645\u0646\u062d\u0646\u0649 \u0627\u0644\u0627\u0646\u062d\u062f\u0627\u0631 \u0627\u0644\u0644\u0648\u062c\u0633\u062a\u064a \u0641\u064a R<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"