I have just uploaded a new package called interval. It does weighted logrank
tests (e.g., logrank, Wilcoxon-type tests) on interval censored data. It allows
Surv objects and can calculated exact p-values. It calls the perm package, but
also allows calculation of scores that may be output to faster permutation
packages like coin.
There is a full description of the packge and methods in a vignette.
Let me know if there are comments or questions.
Mike
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