Displaying 1 result from an estimated 1 matches for "groupingfactor".
2008 Jun 05
2
bartlett.test()
i'm trying to test the homogeneity of variance of 92 samples each one
contains 3 observations.
to use bartlett.test function i have created a (3,92) matrix (named xx):
>bartlett.test(xx)
this message appears:
>Erreur dans bartlett.test.default(xx) :
l'argument "g" est manquant, avec aucune valeur par d?faut
when i checked the help i have understood that in g i should