Function ATR

ATR(windowSize?: number): ScreamerOp
Wilder-smoothed average of TrueRange.
Parameters
- windowSize: number = 14
  Wilder smoothing period (Wilder's original choice is 14).
Returns ScreamerOp

See
https://screamer.readthedocs.io/en/latest/ for the Python reference and full details.
- Defined in generated/ops.ts:57