Inheritance diagram for dismec::init::MultiPosMeanInitializer< Sparse >:

Public Member Functions
	MultiPosMeanInitializer (std::shared_ptr< const DatasetBase > data, const DenseRealVector &mean_of_all, std::shared_ptr< const GenericFeatureMatrix > local_features, int max_pos, real_t pos, real_t neg)

void	get_initial_weight (label_id_t label_id, Eigen::Ref< DenseRealVector > target, objective::Objective &objective) override
	Generate an initial vector for the given label. The result should be placed in target. More...

Public Member Functions inherited from dismec::init::SubsetFeatureMeanInitializer
	SubsetFeatureMeanInitializer (std::shared_ptr< const DatasetBase > data, const DenseRealVector &mean_of_all, std::shared_ptr< const GenericFeatureMatrix > local_features, real_t pos, real_t neg)

Public Member Functions inherited from dismec::init::WeightsInitializer
virtual	~WeightsInitializer ()=default

Public Member Functions inherited from dismec::stats::Tracked
	Tracked ()
	Default constructor, creates the internal `stats::StatisticsCollection`. More...

void	register_stat (const std::string &name, std::unique_ptr< Statistics > stat)
	Registers a tracker for the statistics `name`. More...

std::shared_ptr< StatisticsCollection >	get_stats () const
	Gets an ownership-sharing reference to the `StatisticsCollection`. More...

Private Types
using	MatrixType = typename TypeLookup< Sparse >::MatrixType

using	VectorType = typename TypeLookup< Sparse >::VectorType

Private Member Functions
void	extract_sub_dataset (label_id_t label_id)

Private Attributes
std::vector< VectorType >	m_PositiveInstances

int	m_MaxPos

types::DenseRowMajor< real_t >	m_GramMatrix

DenseRealVector	m_Target

DenseRealVector	m_AlphaVector

Eigen::LLT< types::DenseRowMajor< real_t > >	m_LLT

real_t	m_Lambda = 0.01

stats::stat_id_t	STAT_NUM_POS {1}

stats::stat_id_t	STAT_LOSS_REDUCTION {2}

Additional Inherited Members
Protected Member Functions inherited from dismec::init::SubsetFeatureMeanInitializer
std::pair< real_t, real_t >	calculate_factors (label_id_t label_id, const Eigen::Ref< DenseRealVector > &mean_of_positives)

Protected Member Functions inherited from dismec::stats::Tracked
	~Tracked ()
	Non-virtual destructor. Declared protected, so we don't accidentally try to do a polymorphic delete. More...

template<class T >
void	record (stat_id_t stat, T &&value)
	Record statistics. This function just forwards all its arguments to the internal `StatisticsCollection`. More...

void	declare_stat (stat_id_t index, StatisticMetaData meta)
	Declares a new statistics. This function just forwards all its arguments to the internal `StatisticsCollection`. More...

void	declare_tag (tag_id_t index, std::string name)
	Declares a new tag. This function just forwards all its arguments to the internal `StatisticsCollection`. More...

template<class... Args>
void	set_tag (tag_id_t tag, long value)
	Set value of tag. This function just forwards all its arguments to the internal `StatisticsCollection`. More...

template<class... Args>
auto	make_timer (stat_id_t id, Args... args)
	Creates a new `ScopeTimer` using `stats::record_scope_time`. More...

Protected Attributes inherited from dismec::init::SubsetFeatureMeanInitializer
std::shared_ptr< const DatasetBase >	m_DataSet

std::shared_ptr< const GenericFeatureMatrix >	m_LocalFeatures

BinaryLabelVector	m_LabelBuffer

DenseRealVector	m_MeanOfAll

real_t	m_MeanAllNormSquared

real_t	m_PosTarget

real_t	m_NegTarget

Static Protected Attributes inherited from dismec::init::SubsetFeatureMeanInitializer
static constexpr stats::stat_id_t	STAT_DURATION {0}

Detailed Description

template<bool Sparse>
class dismec::init::MultiPosMeanInitializer< Sparse >

Definition at line 33 of file multi_pos.cpp.

Member Typedef Documentation

◆ MatrixType

template<bool Sparse>

using dismec::init::MultiPosMeanInitializer< Sparse >::MatrixType = typename TypeLookup<Sparse>::MatrixType

private

Definition at line 34 of file multi_pos.cpp.

◆ VectorType

template<bool Sparse>

using dismec::init::MultiPosMeanInitializer< Sparse >::VectorType = typename TypeLookup<Sparse>::VectorType

private

Definition at line 35 of file multi_pos.cpp.

Constructor & Destructor Documentation

◆ MultiPosMeanInitializer()

template<bool b>

MultiPosMeanInitializer::MultiPosMeanInitializer	(	std::shared_ptr< const DatasetBase >	data,
		const DenseRealVector &	mean_of_all,
		std::shared_ptr< const GenericFeatureMatrix >	local_features,
		int	max_pos,
		real_t	pos,
		real_t	neg
	)