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2010 Jan 25
3
binary
Hi all
Assume I have a data set xx;
Group: 1=group1 ?, 2=group2
IQ: ?1= High, 0 =low
fit <- glm(IQ ~group, data = xx, family = binomial())
summary(fit)
Results
?????? ????????????Estimate Std. Error z value Pr(>|z|)
(Intercept) -2.55456??? 0.210 -12.273? < 5e-16 ***
group????????? 0.36180 ?????0.076?? 3.952 ????5.24e-05 ***
the odd ratio = exp(0.36180 )= 1.435912
My question