[R] tests for spericity

[Corey Moffet]

Dear R-help,

Does any one know of a function/package in R that will test the assumption of
spericity in a split-plot analysis of variance?  How are people dealing with 
this issue in R?
With best wishes and kind regards I am

Sincerely,

Corey A. Moffet
Support Scientist

University of Idaho
Northwest Watershed Research Center
800 Park Blvd, Plaza IV, Suite 105
Boise, ID 83712-7716
(208) 422-0718