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wmdata
2004 Jul 20
1
Accuracy in summary (PR#7121)
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.
> options(digits=6)
> mean(wm$Sp...