On Mar 2, 2012, at 8:57 AM, Ole Fredslund Christensen wrote: > Dear R-devel > > Thought I better report this. An example is shown below. > >> vec <- rnorm(100)+10.5 >> ss <- summary(vec) >> print(ss) > Min. 1st Qu. Median Mean 3rd Qu. Max. > 8.433 9.886 10.450 10.560 11.300 12.720 >> for(kk in 1:length(ss)) print(ss[[kk]]) > [1] 8.433 > [1] 9.886 > [1] 10.45 > [1] 10.56 > [1] 11.3 > [1] 12.72 >> print(mean(vec)) > [1] 10.56399 > > Note the difference between 10.56399 and 10.560. > It may confuse users that the number of significant digits is smaller than > the number of digits shown by the print of a summary object (at least it > confused me). >
Well, that's not even the really confusing one -- thy this: > vec <- round((rnorm(100)+10.5)*100000) > summary(vec) Min. 1st Qu. Median Mean 3rd Qu. Max. 768000 966000 1053000 1048000 1107000 1316000 > max(vec) [1] 1315985 That's the point at which you decide never to use summary() again ;). Cheers, Simon ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
