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fdxx
2012 Oct 16
2
gam (mgcv) problem: Error in while (mean(ldxx/(ldxx + ldss)) > 0.4) { :, missing value where TRUE/FALSE needed
...39;m running into a problem with GAM (in the MGCV package). When I try
to estimate the model, I get the following error message:
1> fit <-
gam(ndvi~s(rain)+s(temp)+s(rainl1)+s(rainl2)+s(rainxY)+s(rainl1xY)+s(rainl2xY)+s(tempxY),
data=dsub, weights=wvec)
Error in while (mean(ldxx/(ldxx + ldss)) > 0.4) { :
missing value where TRUE/FALSE needed
Using traceback, I get the following output (which I don't understand)
1> traceback()
7: initial.sp(w * X, S, off)
6: initial.spg(G$X, G$y, G$w, G$family, G$S, G$off, G$L, G$lsp0)
5: estimate.gam(G, method, optimizer...