We discuss two-armed clinical trials in which an ordinal response is observed on entry and at follow-up. In certain subject areas, such data are often reduced to the counts of patients who have ...

The Econometrics Journal, Vol. 13, No. 3, Recent developments in structural microeconometrics (2010), pp. S1-S27 (27 pages) ...

What is the Friedman test? The Friedman test, also sometimes referred to as Friedman’s two-way analysis of variance by ranks, is a non-parametric statistical test used to investigate whether groups of ...