Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test ...

The WeightedRandomItemSampler class implements a random sampler where the probability of selecting an item is proportional to its weight, with replacement allowed between samples. In other words, an ...

Returns an integer selected uniformly at random from [0, B). This function calls randbelow() to select an integer uniformly at random from [0, B). In practice, randbelow() returns an integer that may ...