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Fit multinomial logistic regression with a penalty on the nuclear norm of the estimated regression coefficient matrix, using proximal gradient descent. Reference: Powers S, Hastie T and Tibshirani R (2018) <doi:10.1177/1471082X18777669>.
Package details 


Author  Scott Powers, Trevor Hastie, Robert Tibshirani 
Maintainer  Scott Powers <[email protected]> 
License  GPL2 
Version  1.2 
Package repository  View on CRAN 
Installation 
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