jubatus::core::clustering::gmm_clustering_method Class Reference

#include <gmm_clustering_method.hpp>

Inheritance diagram for jubatus::core::clustering::gmm_clustering_method:

Collaboration diagram for jubatus::core::clustering::gmm_clustering_method:

Public Member Functions
void	batch_update (wplist points)
wplist	get_cluster (size_t cluster_id, const wplist &points) const
std::vector< wplist >	get_clusters (const wplist &points) const
std::vector< common::sfv_t >	get_k_center () const
common::sfv_t	get_nearest_center (const common::sfv_t &point) const
int64_t	get_nearest_center_index (const common::sfv_t &point) const
	gmm_clustering_method (size_t k)
void	online_update (wplist points)
	~gmm_clustering_method ()
Public Member Functions inherited from jubatus::core::clustering::clustering_method
virtual	~clustering_method ()

Private Attributes
gmm	gmm_
size_t	k_
std::vector< common::sfv_t >	kcenters_
eigen_feature_mapper	mapper_

Detailed Description

Definition at line 31 of file gmm_clustering_method.hpp.

Constructor & Destructor Documentation

jubatus::core::clustering::gmm_clustering_method::gmm_clustering_method ( size_t  k )

explicit

Definition at line 30 of file gmm_clustering_method.cpp.

Referenced by batch_update().

    : k_(k), kcenters_(), mapper_(), gmm_() {
}

Here is the caller graph for this function:

jubatus::core::clustering::gmm_clustering_method::~gmm_clustering_method

(

)

Definition at line 34 of file gmm_clustering_method.cpp.

                                              {
}

Member Function Documentation

void jubatus::core::clustering::gmm_clustering_method::batch_update ( wplist  points )

virtual

Implements jubatus::core::clustering::clustering_method.

Definition at line 37 of file gmm_clustering_method.cpp.

References jubatus::core::clustering::gmm::batch(), jubatus::core::clustering::eigen_feature_mapper::clear(), jubatus::core::clustering::eigen_feature_mapper::convert(), jubatus::core::clustering::gmm::get_centers(), jubatus::core::clustering::eigen_feature_mapper::get_dimension(), gmm_, gmm_clustering_method(), k_, kcenters_, mapper_, and jubatus::core::clustering::eigen_feature_mapper::revert().

                                                      {
  if (points.empty()) {
    *this = gmm_clustering_method(k_);
    return;
  }
  mapper_.clear();
  eigen_wsvec_list_t data = mapper_.convert(points, true);
  gmm_.batch(data, mapper_.get_dimension(), k_);
  kcenters_ = mapper_.revert(gmm_.get_centers());
}

Here is the call graph for this function:

wplist jubatus::core::clustering::gmm_clustering_method::get_cluster ( size_t  cluster_id, const wplist &  points  ) const

virtual

Implements jubatus::core::clustering::clustering_method.

Definition at line 65 of file gmm_clustering_method.cpp.

References get_clusters().

                                {
  return get_clusters(points)[cluster_id];
}

Here is the call graph for this function:

std::vector< wplist > jubatus::core::clustering::gmm_clustering_method::get_clusters ( const wplist &  points ) const

virtual

Implements jubatus::core::clustering::clustering_method.

Definition at line 71 of file gmm_clustering_method.cpp.

References get_nearest_center_index(), and k_.

Referenced by get_cluster().

                                {
  std::vector<wplist> ret(k_);
  for (wplist::const_iterator it = points.begin(); it != points.end(); ++it) {
    int64_t c = get_nearest_center_index(it->data);
    ret[c].push_back(*it);
  }
  return ret;
}

Here is the call graph for this function:

Here is the caller graph for this function:

std::vector< common::sfv_t > jubatus::core::clustering::gmm_clustering_method::get_k_center ( ) const

virtual

Implements jubatus::core::clustering::clustering_method.

Definition at line 51 of file gmm_clustering_method.cpp.

References kcenters_.

                                                                 {
  return kcenters_;
}

common::sfv_t jubatus::core::clustering::gmm_clustering_method::get_nearest_center ( const common::sfv_t &  point ) const

virtual

Implements jubatus::core::clustering::clustering_method.

Definition at line 60 of file gmm_clustering_method.cpp.

References jubatus::core::clustering::eigen_feature_mapper::convertc(), jubatus::core::clustering::gmm::get_nearest_center(), gmm_, mapper_, and jubatus::core::clustering::eigen_feature_mapper::revert().

                                    {
  return mapper_.revert(gmm_.get_nearest_center(mapper_.convertc(point)));
}

Here is the call graph for this function:

int64_t jubatus::core::clustering::gmm_clustering_method::get_nearest_center_index ( const common::sfv_t &  point ) const

virtual

Implements jubatus::core::clustering::clustering_method.

Definition at line 55 of file gmm_clustering_method.cpp.

References jubatus::core::clustering::eigen_feature_mapper::convertc(), jubatus::core::clustering::gmm::get_nearest_center_index(), gmm_, and mapper_.

Referenced by get_clusters().

                                    {
  return gmm_.get_nearest_center_index(mapper_.convertc(point));
}

Here is the call graph for this function:

Here is the caller graph for this function:

void jubatus::core::clustering::gmm_clustering_method::online_update ( wplist  points )

virtual

Implements jubatus::core::clustering::clustering_method.

Definition at line 48 of file gmm_clustering_method.cpp.

                                                       {
}

Member Data Documentation

gmm jubatus::core::clustering::gmm_clustering_method::gmm_

private

Definition at line 48 of file gmm_clustering_method.hpp.

Referenced by batch_update(), get_nearest_center(), and get_nearest_center_index().

size_t jubatus::core::clustering::gmm_clustering_method::k_

private

Definition at line 45 of file gmm_clustering_method.hpp.

Referenced by batch_update(), and get_clusters().

std::vector<common::sfv_t> jubatus::core::clustering::gmm_clustering_method::kcenters_

private

Definition at line 46 of file gmm_clustering_method.hpp.

Referenced by batch_update(), and get_k_center().

eigen_feature_mapper jubatus::core::clustering::gmm_clustering_method::mapper_

private

Definition at line 47 of file gmm_clustering_method.hpp.

Referenced by batch_update(), get_nearest_center(), and get_nearest_center_index().

---

The documentation for this class was generated from the following files:

• jubatus/core/clustering/gmm_clustering_method.hpp
• jubatus/core/clustering/gmm_clustering_method.cpp