Error Function

An Error Function is a function that returns the error value for a predicted value.

• See: Gaussian Error Function, Forecast Error Function.

---

---

References

2006

• (Hyndman & Koehler, 2006) ⇒ Rob J. Hyndman, and A. B. Koehler. (2006). “Another Look at Measures of Forecast Accuracy.” In: International Journal of Forecasting, 22(4). [doi>10.1016/j.ijforecast.2006.03.001
  • QUOTE: Let [math]\displaystyle{ Y_t }[/math] denote the observation at time [math]\displaystyle{ t }[/math] and [math]\displaystyle{ F_t }[/math] denote the forecast of [math]\displaystyle{ Y_t }[/math]. Then define the forecast error [math]\displaystyle{ e_t = Y_t - F_t }[/math].

---