what is the rcs package used for sytolic blood pressure what is sbp and chol.ratio of r which type of model is an additive model in r how to model sbp are gam and sbp additive models what is a gam model what is the rcs rcs package what is the generalization of additive model what is sbp in r what is the difference between a rcs and an additive model what's the relationship between sbp and chol.ratio? what type of model does r use gam and rcl how to make a model is rcs the same as gam what is the sbp in the model and how is the cholesterol ratio calculated? gam vs logit what is the purpose of the additive model what is meant by generalised additive model how to plot an additive model which is the additive model in r?