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The help file provided within the rsept.zip is somewhat outdated compared to the one available on http://www.stat.math.ethz.ch/R/manual/; would it be possible to update the file for a more easy download instead of having either to download individually or going online ? Troels =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--- r-help mailing list -- Read

Hi all, I believe there is an issue with passing NULL to the function I(). class(NULL) # "NULL" (as expected) print(NULL) # NULL (as expected) is.null(NULL) # TRUE (as expected) According to the documentation I() should return a copy of its input with class "AsIs" preprended: class(I(NULL)) # "AsIs" (as expected) print(I(NULL)) # list() (not expected!