R/count_na.R
count_na.Rd
Count the number of NA values in a vector.
count_na(x)
A vector.
An integer containing the number of NA values in the input vector.
Justin Wilkins, justin.wilkins@occams.com
if (FALSE) { # \dontrun{ count_na(c(0,5,7,NA,3,3,NA)) } # }