In this paper, we extend Stein’s method to products of independent beta, gamma, generalised gamma and mean zero normal random variables. In particular, we obtain Stein operators for mixed products of ...

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

Let X1,..., XN be N standardized normal variables with correlation matrix {ρij} and let X(1) ⩽ ... ⩽ X(N) denote the ordered Xi. Besides some general ...