> The underlying issue is actually not in transform() but in data.frame(): > >> aq <- airquality[sample(1:153,6),] >> data.frame(aq, list(a=1,b=2)) > Error in data.frame(aq, list(a = 1, b = 2)) : > arguments imply differing number of rows: 6, 1 >> data.frame(aq, list(a=1)) > Ozone Solar.R Wind Temp Month Day a > 3 12 149 12.6 74 5 3 1 > 31 37 279 7.4 76 5 31 1 > 34 NA 242 16.1 67 6 3 1 > 65 NA 101 10.9 84 7 4 1 > 59 NA 98 11.5 80 6 28 1 > 133 24 259 9.7 73 9 10 1 >
Is this a bug or a "feature"? Hadley -- http://had.co.nz/ ______________________________________________ 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.
