Expectation conditional maximization (ECM) ( Maximum Likelihood Parameters)

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Time Complexity

$O(n^{2} \log n)$

Space Complexity

$O(n+r)$? words

(Stores current theta and Z guesses, which is updated each iteration. Also assumes description of log-likelihood takes O(n+r) auxiliary space.)

Description

Approximate?

Exact

Randomized?

No, deterministic

Model of Computation

Real RAM

Year

2017

Reference

https://arxiv.org/abs/1709.06970

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