na.count {swfscMisc}

Count NAs

Description

Counts NAs in an object.

Usage

na.count(x)

Arguments

x

a vector, data.frame, or matrix.

Author(s)

Eric Archer [e-mail]

Examples

x <- sample(c(1:10, NA), 30, replace = TRUE)
na.count(x)
x.df <- do.call(data.frame, lapply(1:4, function(i) sample(c(1:10, NA), 30, replace = TRUE)))
colnames(x.df) <- paste("X", 1:4, sep = "")
na.count(x.df)