On Wed, 2003-08-06 at 16:38, Marc Schwartz wrote: > On Wed, 2003-08-06 at 16:21, Frank E Harrell Jr wrote: > > In > > > > platform i686-pc-linux-gnu > > arch i686 > > os linux-gnu > > system i686, linux-gnu > > status > > major 1 > > minor 7.1 > > year 2003 > > month 06 > > day 16 > > language R > > > > I get > > > > > sort(c(3,1,NA)) > > [1] 1 3 > > > > Shouldn't NAs be retained by default? > > > > Thanks -Frank > > > Frank, > > The default is to exclude NA's based upon the argument 'na.last = NA'. > If you set the argument 'na.last' to either TRUE or FALSE, the NA's will > be kept and sorted either last or first respectively. > > > sort(c(3,1,NA), na.last = TRUE) > [1] 1 3 NA > > > sort(c(3,1,NA), na.last = LAST) > [1] NA 1 3 > > See ?sort > > HTH, > > Marc Schwartz
Apologies. Bad copy on my part. The second example should be: > sort(c(3,1,NA), na.last = FALSE) [1] NA 1 3 Marc ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
