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nmfem (version 1.0.5)

NMF-EM Algorithm

Description

Provides a version of the Expectation-Maximization algorithm for mix-models, reducing the numbers of parameters to estimate using Non-negative Matrix Factorization methods. For more explanations, see pre-print of Carel and Alquier (2017) .

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Install

install.packages('nmfem')

Monthly Downloads

8

Version

1.0.5

License

GPL-3

Issues

0

Pull Requests

0

Stars

0

Forks

1

Maintainer

Lena Carel

Last Published

December 6th, 2019

Functions in nmfem (1.0.5)

t_update

Update of t
lnfact

Logarithm of a factorial
display_profile

Display 3D profiles
nmfem_mult_modelselection

Model selection in NMF-EM algorithm for mixture of multinomials
travelers

Time profiles of 47,000 travelers.
theta_update

Update of theta
Q

Log-likelihood function from M-step, when t is estimated
lambda_update

Update of lambda
loglik_mult

Extract log-likelihood from a mixture of multinomials
nmfem_mult

NMF-EM algorithm for mixture of multinomials