\(Y - \hat Y\), matching residuals.nmf. Without this method
residuals() fell through to stats::residuals.default and
returned NULL, even though fitted() worked.
Usage
# S3 method for class 'nmf.gmm'
residuals(object, Y, ...)Development status
Part of the experimental NMF-GMM family: see nmf.gmm.
The interface may change in future versions — argument names, defaults
and the contents of the returned object are not yet stable.