Function firstDerivative

firstDerivative(data, options?): {
    data: {
        x: Float64Array;
        y: Float64Array;
    };
}
Calculate the first derivative using Savitzky–Golay filter.
Parameters
- data: DataXY<Float64Array>
- options: FirstDerivativeOptions = {}
Returns {
    data: {
        x: Float64Array;
        y: Float64Array;
    };
}
- data: {
  x: Float64Array;
  y: Float64Array;
  }
  - x: Float64Array
  - y: Float64Array
- Defined in filters/sg/firstDerivative.ts:16