Hi,
We're using stats4 for a logistic regression. The code is
chdreg.logit2 <- glm(chd ~ age + sex, family = binomial)
summary(chdreg.logit2)
oddsratios <- coef(chdreg.logit2)
exp(oddsratios)
# Calculate model predicted values
pred <- predict(chdreg.logit2,type="response")
The glm part runs fine, and up to now so has the predict function.
However, now we're getting the following error
Error in function (classes, fdef, mtable) :
unable to find an inherited method for function "predict", for
signature "glm"
Any thoughts about why this seems to now be appearing.
Thanks in advance.
--
=======================================================================
David Kaplan, Ph.D.
Professor
Department of Educational Psychology
University of Wisconsin - Madison
Educational Sciences, Room, 1061
1025 W. Johnson Street
Madison, WI 53706
email: [EMAIL PROTECTED]
homepage:
http://www.education.wisc.edu/edpsych/default.aspx?content=kaplan.html
Phone: 608-262-0836
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