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relevance (version 2.1)

sumNA: Count NAs

Description

Count the missing or non-finite values for each column of a matrix or data.frame

Usage

sumNA(object, inf = TRUE)

Value

numerical vector containing the missing value counts for each column

Arguments

object

a vector, matrix, or data.frame

inf

if TRUE, Inf and NaN values are counted along with NAs

Author

Werner A. Stahel, ETH Zurich

See Also

is.na, is.finite, dropNA

Examples

Run this code
t.d <- data.frame(V1=c(1,2,NA,4), V2=c(11,12,13,Inf), V3=c(21,NA,23,Inf))
sumNA(t.d)

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