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  "Title": "Parsimonious Hidden Markov Models for Four-Way Data",
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  "Description": "Implements parsimonious hidden Markov models for four-way\ndata via expectation- conditional maximization algorithm, as\ndescribed in Tomarchio et al. (2020) <arXiv:2107.04330>. The\nmatrix-variate normal distribution is used as emission\ndistribution. For each hidden state, parsimony is reached via\nthe eigen-decomposition of the covariance matrices of the\nemission distribution. This produces a family of 98\nparsimonious hidden Markov models.",
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  "Author": "Salvatore D. Tomarchio [aut, cre], Antonio Punzo [aut],\nAntonello Maruotti [aut]",
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