This function performs Quade's test for multiple comparisons
Matrix where the test is performed
The test has been implemented according to the version in Garcia et al. (2008).
A list with class "htest" containing the following components:
statistic, the value of the statistic used in the test;
parameter, the two degrees of freedom of the F distribution;
p.value, the p-value for the test;
method, a character string indicating what type of test was performed and
data.name, a character string giving the name of the data.
S. Garcia, A. Fernandez, J. Luengo and F. Herrera (2010) Advanced nonparametric tests for multiple comparisons in the design of experiments in computational intelligence and ata mining: Experimental analysis of power. Information Sciences, 180, 2044-2064.