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maternal_age
2013 Mar 26
2
GAM model with interactions between continuous variables and factors
...ot sure how to handle interactions with categorical predictors in the
GAM models. For example what is the different between these bellow two
models. Tests are indicating that they are different but their predictions
are essentially the same.
Thanks a bunch,
> gam.1 <- gam(mortality.under.2~ maternal_age_c+ I(maternal_age_c^2)+
+ s(birth_year,by=wealth) +
+ + wealth + sex +
+ residence+ maternal_educ + birth_order,
+ ,data=rwanda2,family="binomial")
>
> gam.2 <- gam(mortality.under.2~ maternal_age_c+ I(maternal_age_c^2)+...