Poor Approximation by SNMF/R
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jacobdornEcon commented
Apologies for three issues, but I figured I should post minimum reproducible examples for three issues I've run into.
Suppose I want to do sparse non-negative matrix factorization on the matrix
fitted(nmf(matrix(c(1, 2, 2, 4), nrow = 2), 1, 'snmf/r'))
I would like to get the perfect rank-1 approximation
I assume there is something about the SNMF