Displaying 1 result from an estimated 1 matches for "mssmape".
2012 May 31
0
function to calculate a SMAPE (Symmetric mean absolute percentage error) to avoid the possibility of an inflation caused by zero values in the series
Dear Reseacher,
i find this modified version of SMAPE at pag 13 formula "msSMAPE" to to
avoid the possibility of an inflation caused by zero values in the series
using a Si component in the denominator of the symmetric MAPE
http://www.stat.iastate.edu/preprint/articles/2004-10.pdf
I wrote a function but I wish eventually correct error, change or improve
with your suggest...