It is shown that exact distribution-free confidence intervals for a population median can be obtained from a stratified sample under very special circumstances. The principal result concerns the order ...

Discrepancy theory investigates the uniformity of distributions by quantifying the deviation between the empirical distribution of a finite set of points and the uniform distribution.

Peter J. Bickel, J. Ritov, Large Sample Theory of Estimation in Biased Sampling Regression Models. I, The Annals of Statistics, Vol. 19, No. 2 (Jun., 1991), pp. 797-816 ...

A research team has developed a novel direct sampling method based on deep generative models. Their method enables efficient ...