Chatfield, Mark; Mander, Adrian - In: Stata Journal 9 (2009) 2, pp. 299-305
The Skillings-Mack statistic (Skillings and Mack, 1981, Technometrics 23: 171 – 177) is a general Friedman … missing by design, for example, an incomplete block design, or missing completely at random. The Skillings-Mack test is … equivalent to the Friedman test when there are no missing data in a balanced complete block design, and the Skillings – Mack test …