me.R
me = function(forecast, true)
{
if (length(forecast) != length(true))
stop("ME: the lengths of input vectors must be the same.")
err = mean(true - forecast)
return(round(err, 6))
}
me = function(forecast, true)
{
if (length(forecast) != length(true))
stop("ME: the lengths of input vectors must be the same.")
err = mean(true - forecast)
return(round(err, 6))
}