[R] Ordinal logistic regression p-values

Frank Harrell f.harrell at vanderbilt.edu
Tue Aug 30 03:30:13 CEST 2011


Use the rms package to replace Design.  Run anova(fit object from lrm) which
produces a matrix from which you can extract P-values.  This also handles
the case of multiple degrees of freedom per predictor.
Frank

Debs Majumdar wrote:
> 
> Hi,
> 
>    Are there any packages which prints out p-values for OLR's (like
> `ologit' from Stata)? I want to run a bunch of OLRs and print the p-value
> for the first coefficient from each of them.
> 
> 
>   I checked polr() under MASS and it doesn't.
> 
>  There's a lrm() function under Design which does print out p-values but I
> couldn't extract p-values from the output. 
> 
> 
>   Thanks,
> 
>   Debs
> 
> 
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-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
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