Learn R Programming

MQMF (version 0.1.1)

countNAs: countNAs used in apply to count the number of NAs in a vector

Description

countNAs used in the base function 'apply', or 'tapply' to count the number of NAs in a vector

Usage

countNAs(invect)

Arguments

invect

vector of values

Value

A single value of zero or the number of NAs

Examples

Run this code
# NOT RUN {
x <- matrix(trunc(runif(20)*10),nrow=4,ncol=5)
diag(x) <- NA
print(x)
apply(x,1,countNAs)
# }

Run the code above in your browser using DataLab