Hi Lars,
Using the definition of Likelihood-ratio test is straightforward,
Jeff
Lars Bergemann wrote:
Hi.
I would like to use a likelihood-ratio test to compare a linear model
(lm()) to another linear model containing the first one to see if the
extra factors are needed - but I
Thanks very much, Bernhard and Terry.
It clarify my confusion and really helps a lot.
Regards
Jeff Xu
Terry Therneau wrote:
plot(survfit(fit)) should plot the survival-function for x=0 or
equivalently beta'=0. This curve is independent of any covariates.
This is not correct. It plots
I am confused when trying the function survfit.
my question is: what does the survival curve given by plot.survfit mean?
is it the survival curve with different covariates at different points?
or just the baseline survival curve?
for example, I run the following code and get the survival curve
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