[R] GAM Chi-Square Difference Test

We are using GAM in mgcv (Wood), relatively new users, and wonder if anyone can advise us on a problem we are encountering as we analyze many short time series datasets. For each dataset, we have four models, each with intercept, predictor x (trend), z (treatment), and int (interaction between x an

[R] edf's higher than 1

d.edu http://faculty.ucmerced.edu/wshadish/index.htm http://psychology.ucmerced.edu -- View this message in context: http://r.789695.n4.nabble.com/edf-s-higher-than-1-tp4636798.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML versi