RevoEnhancements/RevoEnhancements — pull request #7 by ChibisiAtRevolution (2013-08-22 15:54:47+00:00)
Title: New functions: rxMAPE, rxMPE, rxMSE, rxMSWD

The functions rxMAPE, rxMPE, rxMSE, rxMSWD calculate the MAPE (Mean
Absolute Percent Error), MPE (Mean Percentage Error), MSE (Mean Squared
Error), and the MSWD (Mean Squared Weighted Deviation)