Re: [R] mgcv with discrete covariates, interaction term

2009-12-22 Thread Gavin Simpson
On Mon, 2009-12-21 at 13:20 -0500, John Tillinghast wrote: > I'm trying to build a model with an overall smooth function for all > the data, plus an additional smooth function for *some* of the data. > If "ind" is my indicator variable (0 for some x, 1 for others), I > imagined I could write it

[R] mgcv with discrete covariates, interaction term

2009-12-21 Thread John Tillinghast
I'm trying to build a model with an overall smooth function for all the data, plus an additional smooth function for *some* of the data. If "ind" is my indicator variable (0 for some x, 1 for others), I imagined I could write it like this: gam.obj <- gam(y ~ s(x) + ind*s(x)) but this does no