Dec 31, 2019 in Data Science

Which of the following is/ are true about  “Maximum Likelihood estimate (MLE)”?

  1. MLE may not always exist
  2. MLE always exists
  3. If MLE exist, it (they) may not be unique
  4. If MLE exist, it (they) must be unique

1 Answer

Dec 31, 2019

Solution: C

The MLE may not be a turning point i.e. may not be a point at which the first derivative of the likelihood (and log-likelihood) function vanishes.

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