In the previous versions of R (2.6.1), when a vector of NA was given to the
functions 'sd' or 'var' with parameter na.rm = TRUE, it used to return NA. Now
(2.7.1) it returns an ERROR :
Example in 2.6.1:
> sd(c(NA, NA, NA, NA), na.rm = TRUE)
[1] NA
Example in 2.7.1:
> sd(c(NA, NA, NA, NA), na.rm = TRUE)
Error in var(x, na.rm = na.rm) : paires d'éléments incomplètes
We are actually wondering if it is a bug to report, or if we have to manage it
in our own R scripts.
Thanks a lot, best regards,
Laetitia
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