Identify cells with NaN (not a number) in a data frame. Improves on the defaultbase::is.nan() function, which only works on vectors, by allowing data frames as input.

# S3 method for data.frame
is.nan(x)

Arguments

x

A data.frame object.

Value

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.