Hi Terry,
I already suspected it had something to do with missing values in one of
the covariates. I couldn't get the na.action="na.exclude" to work (perhaps
this is because I am relatively unexperienced with R), but I managed to
solve the problem by using the following command with "complete.case
Hi,
I am fitting an AFT model assuming a Weibull distribution and I would like
to check the residuals compared to the Kaplan Meier residuals, but when I
try to create the Kaplan Meier residuals I get an error: Time and status
are different lengths.
I am using the following script:
# Fitting the
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