computeAccuracy: Get Measures of Forecast Accuracy

Description Usage Arguments Details Author(s) References

View source: R/evalAccuracy.R

Description

Get Measures of Forecast Accuracy

Usage

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computeAccuracy(u, u.hat, b, measures = NULL, xa = NULL, ya = NULL,
  na.rm = TRUE)

Arguments

u

Validation dataset.

u.hat

Out-sample forecast data.

b

Benchmark forecast data. Usually a naive or Random-Walk w drift forecast.

measures

What accuracy measure to compute? Various alternatives are available,

  • Mean error measures: "ME", "MAE", "MAPE", "sMAPE", "sMRAE", "MASE";

  • Median error measures: "MdE", "MdAE", "MdAPE", "sMdAPE", "sMdRAE", "MdASE";

  • Squared error measures: "MSE", "RMSE", "RMSPE", "RMdSPE";

  • Geometric mean measure for positive errors: "GMRAE".

If measures = NULL all the measures will be computed.

xa

Ages to be considered in model accuracy evaluation. It can be used to calculate the measures on a subset of the results. If xa = NULL (default) the entire age-range in input is considered.

ya

Years to be considered in accuracy computation. Default: ya = NULL.

na.rm

A logical value indicating whether NA values should be stripped before the computation proceeds.

Details

See \insertCitehyndman2006;textualMortalityForecast for a comprehensive discussion of the accuracy measures.

Author(s)

Marius D. Pascariu

References

\insertAllCited
mpascariu/MortalityForecast documentation built on Sept. 28, 2020, 2:40 p.m.