Various statistical forecasting methods exist designed for use with slow-moving products, new product introductions, stable mature products and products with erratic demand. Determining which ...

Non-parametric tests are used when standard assumptions are not available. These tests don’t rely on distributions, often ...

Stephen Ziliak of Roosevelt University and Deirdre McCloskey of University of Illinois at Chicago have done the world of academic research the greatest, but least welcome, of favors. In their book, ...

Peter Westfall is a distinguished professor of information systems and quantitative sciences at Texas Tech University. He specializes in using statistics in investing, technical analysis, and trading.

Interpreting the results of statistical surveys, e.g., Transparency Internation­al’s corruption indices, is not always a simple matter. As Dr. Heiko Paulheim of the Knowledge Engineering Group at the ...