Displaying 1 result from an estimated 1 matches for "td4645786".
Did you mean:
td4645736
2013 Apr 16
2
Understanding why a GAM can't have an intercept
...ively running a GAM with the "-1" appended to the formula and the
calling "predict.gam", I see that the model isn't behaving as expected.
I don't understand why this would be. Google turns up this old R help
thread: http://r.789695.n4.nabble.com/GAM-without-intercept-td4645786.html
Simon writes:
*Smooth terms are constrained to sum to zero over the covariate
values. **
**This is an identifiability constraint designed to avoid
confounding with **
**the intercept (particularly important if you have more than one
smooth). *
If you remove the in...