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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...