lfl (version 2.0)

smape: Compute Symmetric Mean Absolute Percentage Error (SMAPE)

Description

SMAPE is computed as $mean(abs(forecast-validation)/((abs(forecast)+abs(validation))/2))$.

Usage

smape(forecast, validation)

Arguments

forecast

A numeric vector of forecasted values

validation

A numeric vector of actual (real) values

Value

A Symmetric Mean Absolute Percentage Error (SMAPE)

See Also

rmse(), mase(), frbe()