Identification sets for double truncated data
.censTruncLimitsDtrunc(tsets, lcens, rcens, ltrunc, rtrunc, trunc, cens)
a matrix with the bounds of the intervals for Turnbull sets
Turnbull's sets
numeric vector of left censoring
numeric vector of right censoring
numeric matrix of left truncation
numeric matrix of right truncation
logical are observation truncated?