#taskML #NMF
sklearn.decomposition.NMF
https://scikit-learn.org/stable/modules/generated/sklearn.decomposition.NMF.html
fit_transform()
https://scikit-learn.org/stable/modules/generated/sklearn.decomposition.NMF.html#sklearn.decomposition.NMF.fit_transform
components_array, [n_components, n_features]
Factorization matrix, sometimes called ‘dictionary’.
https://scikit-learn.org/stable/modules/generated/sklearn.decomposition.NMF.html#sklearn.decomposition.NMF.fit_transform