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/usr/share/doc/r-cran-nmf/TODO is in r-cran-nmf 0.20.6-1.

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Features:
    o handle missing data in target matrix
    o NMF model/algorithm class for MCMC based NMF
    o function/option to run standard consensus clustering, 
    i.e. with a different set sample for each run. 
    Possibly also use subsets of features and consensus matrix for them (memory issue).
    o incorporate silhouette values/plots, notably in heatmaps
    o support for other type of matrix-like objects (e.g., bigmatrix, Matrix)
    o import/export functions

Documentation:
    o improve/update vignettes
    
Technical/Internals:
    o change plot.NMFrankestimate to screeplot, remove class NMFrankestimate, 
    change it to normal NMFlist
    o Switch to the interface defined in the package modeltools