Test for main group effect (weighted/unweighted)
hrm.test.1.none(X, alpha, group, subject, data, formula, nonparametric)
dataframe containing the data in the long table format
alpha level used for the test
column name of the data frame X specifying the groups
column name of the data frame X identifying the subjects
column name of the data frame X of the first factor variable
column name of the data frame X of the second factor variable
Returns a data frame consisting of the degrees of freedom, the test value, the critical value and the p-value