While researching a topic on effect sizes, I learned about a SAS function that is related to noncentrality parameters. I previously wrote an article about the noncentral t distribution, which is one of several well-known distributions that contains an optional noncentrality parameter. I mentioned that the PDF, CDF, and QUANTILE functions in SAS support an optional noncentrality parameter for the t, chi-square, and F distributions. However, I did not know until recently that SAS also provides ...
