is.count(NA_real_) returns an error

[drkarthi]

is.count() fails for NA_real_ with the error Error in if (!is.integerish(x)) return(FALSE) : missing value where TRUE/FALSE needed.

My thought is that NA_real_ should not be considered a count. What do you think?

[hadley]

Agreed

[drkarthi]

Sounds good, will make a PR with the same