On Fri, Jan 14, 2011 at 11:16 PM, Phil Spector <spec...@stat.berkeley.edu> wrote: > Is sapply really necessary here?
Apparently not, and it is certainly more cumbersome. Because data frames can contain a mix of classes, I thought that round() did not have a method for them (in retrospect that does not make much sense). I had also not seen Dr. Venables reply. > >> exc = !names(d) %in% "d3" Thanks for sharing---this circumvents the other problem I had of needing to pass the actual character names. >> d[,exc] = round(d[,exc]) >> d > > d1 d2 d3 d4 > 1 10 6 2.3749642 -4 > 2 11 6 -0.2081097 -2 > 3 10 4 1.2675955 -4 > 4 10 8 1.2468859 -2 > 5 10 6 2.7193027 -4 > 6 9 6 1.9195531 -5 > 7 9 6 2.8188036 -6 > 8 10 7 2.5755148 -4 > 9 11 5 2.4037376 -6 > 10 11 5 3.4295063 -5 > > - Phil Spector > Statistical Computing Facility > Department of Statistics > UC Berkeley > spec...@stat.berkeley.edu Thanks, Josh ______________________________________________ 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.
