I am getting odd results from the bayesglm function in the ARM package.
Running R 3.0.2 and downloaded the most resent ARM package. Every dataset I
try runs, but the output is incorrect - I get a null deviance that is less than
the residual deviance. I have tested this with datasets I have used for a
class many times before and know what the results should be, but get the same
result - coefficients are different and the null deviance is less than the
residual deviance. I am not a Bayesian person - I just like to run this to
compare to the standard GLM in logistic regressions. Standard GLM works fine
and gives same/similar results as I have gotten in the past with the test data,
but the bayesglm does not. Any suggestions?
Peter Harrell
Faculty Instructor
NSOE Duke University
A224 LSRC Building
919.613.827
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