Statistics

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Given the initial measured values , final observed or measured values and final calculated values , there are several goodness of fit statistics or skill scores which can be calculated. The definition for some of the more common ones are provided below.

  • Brier Skill Score
  (1)
  • Root-Mean-Squared Error
  (2)
  • Normalized-Root-Mean-Squared Error
  (3)
  • Mean-Absolute Error
  (4)
  • Normalized-Mean-Absolute Error
  (5)
  • Correlation coefficient is defined as
  (6)
  • Bias
  (7)
  • Nash-Sutcliffe Coefficient
  (8)

where


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