Description Usage Arguments Value
View source: R/itlt_knot_select.R
For intensive longitudinal dataset (multiple test based method and mmp based method), a preprocessing step using smoothing splines is used.Generalized cross validation (GCV) is used for knot number selection.
1 | knot.select(D.traj, tf, alpha = 2)
|
D.traj |
dataset consists purely of longitudinal observations |
tf |
time frame |
alpha |
penalization term in GCV |
mean and standard deviation of GCV of each possible knot number
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