gam_test: Test based on additive, varying coefficients model
In erdto/TPDT: Test for paired time-resolved differences.

Test based on additive, varying coefficients model

1	gam_test(data, group, timepoints, id, plot = FALSE)

`data`	[numeric vector] with the values of the response evaluated at the times in 'timepoints' argument.
`group`	[numeric vector] of 1s and 2s as the grouping variable.
`timepoints`	[numeric vector] with time points corresponding to measurements in 'data'.
`id`	[numeric vector] with integers corresponding to the individual curves.
`points`	[Integer] number of points used when discretizing functions.
`nboot`	[Integer] number of Boostrap repetitions.