Assertion: expectation maximization algorithm | /r/HasProperty | introduced by ceppellini et
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text: Introduced as early as 1950 by Ceppellini et al.1 in the context of gene frequency estimation, the expectation maximization algorithm was analyzed more generally by Hartley2 and by Baum et al.3 in the context of hidden Markov models, where it is commonly known as the Baum-Welch algorithm.