Reference

All functions
explain_variance()	Fraction of variance explained by the reconstruction
expression_matrix_path()	Path to the bundled example expression matrix
load_expression_matrix()	Load a gene-by-sample expression matrix from CSV
plot_error_history()	Plot NMF reconstruction error over iterations
plot_nmf_heatmaps()	Heatmaps of NMF factor matrices
reconstruction_error()	Frobenius reconstruction error
run_nmf()	Run non-negative matrix factorization