This article develops some general theory for testing the rank of a matrix. Applications include tests of interaction in two-factor experiments that are more powerful than the usual F test for certain ...

The vitcap dataset has 24 rows and 3 columns. It contains data on vital capacity for workers in the cadmium industry. a) Calculated descriptive statistics (mean = 4.47 L, standard deviation = 1.01 L) ...

This is a preview. Log in through your library . Abstract The purpose of this article is threefold. First, variance components testing for ANOVA-type mixed models is considered, in which response may ...