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abbreviated
2013 Jul 01
2
Problem with anova and the new abbreviation restrictions
An unwanted side effect of the new restrictions on abrreviated names.
The anova.coxph command, in a slavish copy of anova.lm etc, returns a data frame with
column labels of
loglik Chisq Df Pr(>|Chi|)
If one tries to extract the final column of the table errors result since it is not a
standard R variable name.
> afit <- anova(lm(conc ~ u...