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$Spd1)
[1] 7.77733
> summary(wm$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.
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