Absolute value
Returns the absolute value of a number or vector/ndarray elements.
Raises a TypeError if an NA value is encountered. Use
filter or explicit missingness handling before calling
abs on data that may contain NAs.
x (Number | Vector | NDArray): The
input value.
na_ignore (Bool): Whether to
preserve NA values in inputs. Default is false.
The absolute value.
abs(-5)
-- Returns = 5