Hi Gene,
Do you mean that you get the same error when you do
xset2 <- retcor(xset1, family= "s", plottype= "m", missing=1, extra=1,
span=1)
as when you do
xset2<-retcor(xset1,method="obiwarp",profStep=0.1,plottype="deviation")
?
That would be very unusual I think.