Just wondering is something like this possible:

model <- gam(y ~ x1 * s(x2), data = train.data)

Basically, I need to model something non linear (see s(x2)), which is multiplied by some IV that if zero results in y being 0.

  • $\begingroup$ With no responses yet, you may want to explain more fully. $\endgroup$ – rolando2 May 23 at 13:28

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