This function saves the sate of each chain in OpenBUGS model
Usage
modelSaveState(stem)
Arguments
stem
The filestem of the files to be generated.
Details
Example for argument stem:
If stem = "c:/myFolder/stem", the resulting files
are called stem1.txt, ..., stemN.txt.
They are written into the tempdir()
and copied to the path "c:/myFolder".