search for: validdetails

Hello, A weird thing is happening to me. I have a 128x128 elements matrix m with values between 0 and 1. If I do: R> library(lattice) R> contourplot (m, cuts=9) I get the following error message: Error in validDetails.text(x) : Invalid 'rot' value The same for any cuts >9. I can plot m with contourplot(m, cuts=8) but this is not detailed enough. The 'normal' R image and contour commands work just fine so it seems there is nothing wrong with the data. What is this 'rot' value ? What ha...

The following seems to me to be at least a perverse trap, if not an = outright bug: > is.numeric(unit(1,"npc")) [1] TRUE > is.numeric(1*unit(1,"npc")) [1] FALSE > is.numeric(unit(0,"npc") +unit(1,"npc")) [1] FALSE ...etc. i.e. is.numeric() appears to be TRUE for class "unit" but false for = class ("unit.arithmetic"