Included random_state parameter for reproducibility#11
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…one to allow fur users who want variability and don't need reproducible results.
…ans clustering reproducibility.
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This is in reference to the now closed issue #10 I added a random_state parameter to the initialisation of BaseHMM, and filtered this through to each of GaussianHMM, MultinomialHMM and HeterogeneousHMM. This includes retaining random_state as an attribute, as well as a np.random.default_rng instance.
self.rng = np.random.default_rng(random_state) --> to replace sampling from a distribution (i.e. np.random.rand() or np.random.dirichlet())
self.random_state --> used for KMeans initialisation in Gaussian and Heterogeneous HMM.