Weighted-item Packages

A weighted random item sampler (selector), where the probability of selecting an item is proportional to its weight, with replacement allowed between samples. In other words, an item can be sampled more than once. The sampling method utilizes a binary sea

A weighted random item sampler (selector), where the probability of selecting an item is proportional to its weight, and every item is sampled exactly once (without repetition or replacement). The sampling method utilizes a binary-search optimization, mak