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Maximum Likelihood Estimator Properties

  • The true distribution pdatap_{\text{data}} must lie within the model family pmodel(.;θ)p_{\text{model}}(.;\theta). Otherwise, no esitmator can recover pdatap_{\text{data}}.
  • The true distribution pdatap_{\text{data}} must correspond exactly to one value of θ\theta. Otherwise, the maximum likelihood can recover the correct pdatap_{\text{data}} but will not be able to determine which value of θ\theta was used by the data generating process.

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Updated 2021-06-07

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Data Science