flatten_predictors: Flattens predictor variable data into one row per person
Description
Assumes that splitting explanatory variables do not vary with time. Spline Tree is not meant to handle time-varying covariates.
Usage
flatten_predictors(idvar, data)
Arguments
idvar
The string name of the ID variable (used to group observations)
data
The full dataset to be flattened (long form)
Value
A wide format dataset with spline coefficients as the responses.