Derivative information for lmmspline objects
Description
Calculates the derivative information for lmmspline
objects with a "pspline"
or "cubic pspline"
basis.
Usage
1 2 
Arguments
expr 
An object of class 
... 
Additional arguments which are passed to 
Value
deriv returns an object of class lmmspline
containing the following components:
predSpline 

modelsUsed 

model 

derivative 

Examples
1 2 3 4 5 6 7 8 9 10 11  ## Not run:
data(kidneySimTimeGroup)
# run lmmSpline on the samples from group 1 only
G1 < which(kidneySimTimeGroup$group=="G1")
testLMMSplineTG< lmmSpline(data=kidneySimTimeGroup$data[G1,],
time=kidneySimTimeGroup$time[G1],
sampleID=kidneySimTimeGroup$sampleID[G1],
basis="pspline",keepModels=T)
testLMMSplineTGDeri < deriv(testLMMSplineTG)
summary(testLMMSplineTGDeri)
## End(Not run)
