On Tue, 20 Jul 2004 15:54:49 +0200 (CEST), [EMAIL PROTECTED] wrote : >Full_Name: Sanford Weisberg >Version: 1.9.1 >OS: Win XP >Submission from: (NULL) (160.94.148.2) > > >> wm <- read.table(url("http://www.stat.umn.edu/~sandy/wmdata0.txt"), >header=TRUE) >> mean(wm$Spd1) >[1] 7.7773 >> summary(wm$Spd1) > Min. 1st Qu. Median Mean 3rd Qu. Max. > 0.222 4.780 7.550 7.780 10.200 21.600 > >The mean of this variable DOES NOT ROUND to the value shown in the summary >output.
This is not a bug. summary.default() is behaving as documented. You asked (by default) for 3 significant figures, and that's what you got. > >> options(digits=6) >> mean(wm$Spd1) >[1] 7.77733 >> summary(wm$Spd1) > Min. 1st Qu. Median Mean 3rd Qu. Max. > 0.222 4.780 7.550 7.780 10.200 21.600 > >This is still wrong. Also, the minimum value is 0.2221, which should have been >printed in full given digits=6. No, see the man page. Duncan Murdoch ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-devel