vvalen {dprep} | R Documentation |
The Van Valen nonparametric test for homocedasticity (equal covariance matrices).
vvalen(data)
data |
The name of the dataset to be tested |
Gives the p-value for a Kruskal Wallis test. A p-value near to zero indicates homocedasticity.
Edgar Acuna
Van Valen, L. (1962). A study of fluctuating asymmetry. Evolution Vol. 16, pp. 125142.
#---------Testing homocedasticity----- data(colon) vvalen(colon)