The help page says: "...: vectors, factors or a list containing these."
So, you can try this: expand.grid(as.list(dDF)) On Tue, Dec 22, 2009 at 2:19 PM, Keith Jewell <k.jew...@campden.co.uk> wrote: > Just confirming it isn't the bug fixed in 2.11.0dev, and giving an even > simpler example: > > R version 2.11.0 Under development (unstable) (2009-12-20 r50794) > >> expand.grid(data.frame(y=1:10, t=1:10)) > Error in `[[<-.data.frame`(`*tmp*`, i, value = c(1L, 2L, 3L, 4L, 5L, 6L, : > replacement has 100 rows, data has 10 > > "Keith Jewell" <k.jew...@campden.co.uk> wrote in message > news:hgqqja$rk...@ger.gmane.org... >> Hi All, >> >> This example code >> ---------------- >> dDF <- structure(list(y = c(4.75587, 4.8451, 5.04139, 4.85733, 5.20412, >> 5.92428, 5.69897, 4.78958, 4, 4), t = c(0, 48, 144, 192, 240, >> 312, 360, 0, 48, 144), Batch = c(1, 1, 1, 1, 1, 1, 1, 1, 1, 1 >> ), T = c(2, 2, 2, 2, 2, 2, 2, 2, 2, 2), pH = c(4.6, 4.6, 4.6, >> 4.6, 4.6, 4.6, 4.6, 4.6, 4.6, 4.6), S = c(0, 0, 0, 0, 0, 0, 0, >> 0, 0, 0), N = c(0, 0, 0, 0, 0, 0, 0, 80, 80, 80)), .Names = c("y", >> "t", "Batch", "T", "pH", "S", "N"), row.names = c(NA, 10L), class = >> "data.frame") >> str(dDF) >> expand.grid(dDF) >> ------------------------------------ >> 'hangs' for a while and then gives an error >> >> Error in `[[<-.data.frame`(`*tmp*`, i, value = c(4.75587, 4.8451, 5.04139, >> : >> replacement has 10000000 rows, data has 10 >> >> In NEWS.R-2.11.0dev I read: >> o The new (in 2.9.0) 'stringsAsFactors' argument to expand.grid() >> was not working: it now does work but has default TRUE for >> backwards compatibility. >> >> but I don't think that's relevant, I have no factors. >> >> I'm probably being silly. Can anyone point out where? >> >> Best... >> >> Keith Jewell >> >> --please do not edit the information below-- >> >> Version: >> platform = i386-pc-mingw32 >> arch = i386 >> os = mingw32 >> system = i386, mingw32 >> status = Patched >> major = 2 >> minor = 10.1 >> year = 2009 >> month = 12 >> day = 21 >> svn rev = 50796 >> language = R >> version.string = R version 2.10.1 Patched (2009-12-21 r50796) >> >> Windows Server 2003 x64 (build 3790) Service Pack 2 >> >> Locale: >> LC_COLLATE=English_United Kingdom.1252;LC_CTYPE=English_United >> Kingdom.1252;LC_MONETARY=English_United >> Kingdom.1252;LC_NUMERIC=C;LC_TIME=English_United Kingdom.1252 >> >> Search Path: >> .GlobalEnv, package:stats, package:graphics, package:grDevices, >> package:utils, package:datasets, package:methods, Autoloads, package:base >> > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.