This class initializes the W matrix of the NMF algorithm by averaging p randomly chosen columns of V. More...
Public Member Functions | |
RandomAcolInitialization () | |
Static Public Member Functions | |
template<typename MatType > | |
static void | Initialize (const MatType &V, const size_t r, arma::mat &W, arma::mat &H) |
This class initializes the W matrix of the NMF algorithm by averaging p randomly chosen columns of V.
In this case, p is a template parameter. H is then set randomly.
The | number of random columns to average for each column of W. |
Definition at line 42 of file random_acol_init.hpp.
mlpack::nmf::RandomAcolInitialization< p >::RandomAcolInitialization | ( | ) | [inline] |
Definition at line 46 of file random_acol_init.hpp.
static void mlpack::nmf::RandomAcolInitialization< p >::Initialize | ( | const MatType & | V, | |
const size_t | r, | |||
arma::mat & | W, | |||
arma::mat & | H | |||
) | [inline, static] |
Definition at line 50 of file random_acol_init.hpp.
References mlpack::math::RandInt(), and mlpack::Log::Warn.