Changes in version 1.5.0                        

Changes

    o   Revised default meta_gene.cv(..., cv.max=Inf)

    o   Added assignCelltype(...)

                        Changes in version 1.4.1                        

Changes

    o   Added URL to published article.

    o   Revised optimal_rank(...) such that Bayes factor criterion is 
	used.

    o   Fixed filter_genes(...) for cases with non-expressed genes

                        Changes in version 1.3.1                        

Changes

    o   Changed definition of likelihood function in ML-NMF outputs from
	  factorize(...) 
	such that matrix elements with zero counts are included

                        Changes in version 1.3.0                        

Changes

    o   Added C++ code update step in vb_factorize(..., useC=TRUE)

    o   Added Singular value decomposition initializer for
	 vb_factorize(..., initializer='svd2')
	random initial condition: initializer='random'

    o   Changed default: filter_genes(...,rescue.genes=FALSE)

    o   Changed filter_genes(), vmr.min action from vmr >= vmr.min to vmr > vmr.min 
	(removes genes with vmr=0) 

    o   Added parallel run for vb_factorize(..., ncores=10)

    o   Added feature_map(...)

                 Changes in version 1.0.0 (2018-04-06)                  

Changes

    o   Split plot functionality from filter_genes() into plot_genes().

    o   Removed file name arguments from read_10x() and write_10x().