[R] log rank test p value
therneau at mayo.edu
Wed May 16 15:09:36 CEST 2007
The best place to start is
That's right -- read the documentation!
This tells you what is contained in the output to survdiff, namely objects
n, obs, exp, chisq, and var, including descriptions of each.
The number of degrees of freedom for the chisquare test is (#groups -1);
both the obs and exp objects have one element per group.
More information about the R-help