Internal functions for the VPC
find.right.table(object, inclZeroWRES, onlyfirst,
samp, PI.subset, subscripts,
PI.bin.table, panel.number, ...)
get.polygon.regions(PPI, PI.mirror, ...)
setup.PPI(PIlimits, PI.mirror, tmp.table, ...)
Xpose object
Include row sof data with WRES=0
Use only first data for each individual
sample number
Prediction interval subset
subscripts
prediction interval binning table
panel number
Plot prediction intervals
Prediction interval mirror
Prediction interval limits
temporary table
Extra options passed to arguments
Returned to xpose.VPC