Stuart S. Schwartz Bradley, A. A., Hashino, T., & Schwartz, S. S. (2003). Distributions-oriented verification of probability forecasts for small data samples. WEATHER AND FORECASTING, 18(5), 903–917. https://doi.org/10.1175/1520-0434(2003)018<0903:DVOPFF>2.0.CO;2