Logistisk regression
Logistisk regression
Logistisk regression
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u n i v e r s i t y o f c o p e n h a g e n<br />
d e p a r t m e n t o f b i o s t a t i s t i c s<br />
<strong>Logistisk</strong> <strong>regression</strong> på kategorisk variabel i R<br />
Estimation<br />
> glm2 summary(glm2)<br />
Call:<br />
glm(formula = chdI ~ ageGrp, family = binomial)<br />
Deviance Residuals:<br />
Min 1Q Median 3Q Max<br />
-0.8129 -0.6704 -0.6103 -0.5536 1.9756<br />
Coefficients:<br />
Estimate Std. Error z value Pr(>|z|)<br />
(Intercept) -1.7983 0.1512 -11.895 < 2e-16 ***<br />
ageGrp2 0.2121 0.2064 1.027 0.3042<br />
ageGrp3 0.4198 0.2060 2.038 0.0415 *<br />
ageGrp4 0.8605 0.1949 4.415 1.01e-05 ***<br />
--<br />
(Dispersion parameter for binomial family taken to be 1)<br />
Null deviance: 1351.2 on 1362 degrees of freedom<br />
Residual deviance: 1328.7 on 1359 degrees of freedom<br />
AIC: 1336.7<br />
Number of Fisher Scoring iterations: 4<br />
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