data-ploner.com wrote: > In R prior to 2.6.0 with matrizes as well as with data.frames it is > possible to do: > > a[2, c(TRUE, FALSE)] > > In R 2.6.0 the mixed indexing works only for matrizes. Is this the > intention, a bug, or did I get something wrong? > Best regards > > Meinhard > > It looks unintentional, but it is not due to "mixed indexing":
> a[TRUE,c(TRUE,FALSE)] Error in .subset2(xx, j) : attempt to select less than one element > a[2,c(TRUE,TRUE)] a b 2 2 5 As far as I can tell, It happens only when drop=TRUE and exactly one column is selected using a logical index. -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
