Generate NA of specified type
I just do as.integer(NA), as.numeric(NA), as.character(NA), etc. -- Tony Plate
On 5/5/2010 11:57 AM, Hadley Wickham wrote:
Hi all,
Is there an existing function that provides the correct type of
missing value for a given vector? e.g.
NAof(1:3) # NA_integer_
NAof(pi) # NA_real_
NAof("a") # NA_character_
NAof(T) # NA
?
Thanks,
Hadley