Computes the range of values along an axis: max(x) - min(x).
The result is always nonnegative.
Usage
ptp(x, axis = NULL, keepdims = FALSE)
Arguments
- x
An Expression or numeric value.
- axis
NULL (all), 0 (columns), or 1 (rows).
- keepdims
Logical; keep reduced dimension?
Value
An Expression representing max(x) - min(x).
