this determines the "starting" lambda for a sequence of values for
softImpute, and all nonzero solutions would require a smaller
An m by n matrix. Large matrices can be in "sparseMatrix" format, as
well as "SparseplusLowRank". The latter arise after centering sparse
matrices, for example with
The remaining arguments only apply to matrices
maximum number of iterations.
convergence threshold, measured as the relative changed in the Frobenius norm between two successive estimates.
It is the largest singular value for the matrix,
with zeros replacing missing values. It uses
a single number, the largest singular value
Trevor Hastie, Rahul Mazumder
Maintainer: Trevor Hastie [email protected]
Rahul Mazumder, Trevor Hastie and Rob Tibshirani (2010)
Spectral Regularization Algorithms for Learning Large Incomplete
Journal of Machine Learning Research 11 (2010) 2287-2322
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