Re: [R] Vegan: Anova.CCA accessing original data using option by=

2011-10-20 Thread Steve Pawson
Dear Jari, Thank you for your quick reply and the time you have spent assisting with this problem. Indeed the alias tool identifies one variable that when removed from the capscale model solves the problem. Once again greatly appreciate your assistance. Regards Steve Pawson Scientist

Re: [R] Vegan: Anova.CCA accessing original data using option by="margin"

2011-10-18 Thread Steve Pawson
ote that in the traceback point 8 it appears that my original model statement has been modified to include all my environmental predictors as conditions as well as all the original conditional variables that I wished to partial out. Any help on finding the cause of this error greatly ap

[R] Vegan: Anova.CCA accessing original data using option by="margin"

2011-10-11 Thread Steve Pawson
Hello, I am attempting to use the ANOVA.CCA function with the by="margin" option. The process works fine using the by="terms" option and I note in the Vegan manual that Jari suggests that an error may occur if the anova does not have access to the data on the original constraints. This is the err