Weighted Logrank Tests and NPMLE for Interval Censored Data
Create A matrix and intmap
get survival values from icfit object
calculate non-parametric MLE for interval censored survival function
Auxiliary for controling icfit
do logrank or Wilcoxon type tests on interval censored data
functions to calculate initial NPMLE of the distribution
Internal functions
Tests and NPMLE for interval censored data
Auxiliary for feeding parameters to different methods
Rule for determining method for ictest
Plot icfit object
Methods for icfit objects
Transform Surv object to data frame with L and R values
Functions to fit nonparametric survival curves, plot them, and perform logrank or Wilcoxon type tests [see Fay and Shaw <doi:10.18637/jss.v036.i02>].