@misc{W2047884674,
  author = {Cort J. Willmott},
  title = {Some Comments on the Evaluation of Model Performance},
  year = {1982},
  howpublished = {Bulletin of the American Meteorological Society},
  doi = {https://doi.org/10.1175/1520-0477(1982)063<1309:scoteo>2.0.co;2}
}