Vol 48-50 Number 2 (2016) February 10, 2017February 10, 2017 Co-Editor A short tutorial on Bayesian Nonparametrics By PETER MUELLER, YANXUN XU, ALEJANDRO JARA A novel Bayesian approach to analyzing ‘Thorough QT/QTc Study’ By SUJIT K GHOSH, SURAJ ANAND A relatively simple efficient estimator for relative risk in case-cohort studies By EMMANUEL SAMPENE, ABDUS S. WAHED Characterization of the tail of river flow data by generalized Pareto distribution By KUMER PIAL DAS, CHRISTOPHER ALAN SAMS, VIJAY P SINGH Bounds of the survival functions with informative drop-outs using FGM copulas By MD MONIR HOSSAIN, TOSHIYA SHUN SATO