AI & MLCoreAIML-PGM-005

Expectation-Maximization

Maximum likelihood with hidden variables: alternate guessing the hidden values and refitting the parameters.

Difficulty
2 / 5
Importance
5 / 5
Study time
1–2 h
Kind of work
Mixed

Why it matters

The learner can describe the E-step and M-step for a latent-variable model and explain why each never decreases the likelihood.

The route to this topic

Route AIML-PGM-005