Displaying 1 result from an estimated 1 matches for "try_default".
2008 Aug 22
1
sd(NA)
Hi All:
This was discussed in the R-developers list (see the thread
starting at http://tolstoy.newcastle.edu.au/R/e3/devel/
07/12/0560.html). It has to do with the behavior of sd() when the
entire vector is NA. The behavior has changed between 2.6 and 2.7.1
as follows:
Run in Version 2.7.1
> tt<-rep(NA, 10)
> mean(tt, na.rm=T)
[1] NaN
>sd(tt, na.rm=T)
Error in var(x,