Identify cells with NaN
in a data frame. Improve on the default
is.nan()
function, which only works on vectors, by allowing
data frames as input.
# S3 method for data.frame is.nan(x)
x | A data frame to be tested. |
---|
A matrix of the same dimension as x
, with TRUE/FALSE values
for whether each cell in the original data frame is a number or not.
NaN
means 'Not a Number'.