There are multiple definitions:

1. mean absolute percent error(English)

   • LOA, MPE, RMSPE
   • Statistics
   • https://doi.org…jnl-2023-323067

2. Maleic Anhydride-Grafted Polyethylene(English)

   • BEV, CAE, DOE, EV, FEA, GnP, h-BN, HEV, PHEV, RSM, RVE, SEBS
   • Materials science, Energy transition, Environment
   • https://doi.org…our.2025.236594