//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\\ || The chores may not be fun but these utilities may help || \\++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++// calogrank Covariate adjusted logrank test coxphCPE Gonen & Heller Concordance Probability Estimate coxphQuantile Survival time quantile as a function of covariate fedesign Trial Designs Based On Fisher's Exact Test gsdesign Group Sequential Designs gsdesign.binomial binary outcomes gsdesign.normal normal outcomes gsdesign.survival survival outcomes permtests Permutation versions of some common tests jonckheere.test Exact version of Jonckheere-Terpstra test permlogrank Survival comparisons with permutation reference ph2simon Simon's 2-stage Phase II design oc.twostage.bdry Two-stage boundary operating characteristics ph2single Exact single stage Phase II design power.ladesign Power of k-sample rank test under Lehmann alternative pselect Probability of selection under pick the winner rule toxbdry Stopping rule for toxicity monitoring bdrycross.prob Operating characteristics of a specific boundary