series_sign()
Calculates the element-wise sign of the numeric series input.
Syntax
series_sign(series)
Arguments
- series: Input numeric array, on which the sign function is applied. The argument must be a dynamic array.
Returns
Dynamic array of calculated sign function values (-1 for negative, 0 for 0, and 1 for positive). Any non-numeric element yields a null element value.
Example
print arr = dynamic([-6,0,8])
| extend arr_sign = series_sign(arr)
| arr | arr_sign |
|---|---|
| [-6,0,8] | [-1,0,1] |