Fisher Score

A Fisher Score is a Statistical Significance Test Score.

• • …
• Counter-Example(s):
  • Gini Score.
  • Information Gain Ratio.
  • Chi Square Score.
• See: Fisher Discriminant Analysis, Fisher Kernel, Statistical Significance Test, t-Test, P Value, Log-Likelihood.

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References

2014

• (Wikipedia, 2014) ⇒ http://en.wikipedia.org/wiki/Fisher_kernel#Fisher_score Retrieved:2014-9-29.
  • The Fisher kernel makes use of the Fisher score, defined as : [math]\displaystyle{ U_X = \nabla_{\theta} \log P(X|\theta) }[/math] with θ being a set (vector) of parameters. The function taking θ to log P(X|θ) is the log-likelihood of the probabilistic model.

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