sgpp::datadriven::VisualizerDensityEstimation Class Reference

#include <VisualizerDensityEstimation.hpp>

Inheritance diagram for sgpp::datadriven::VisualizerDensityEstimation:

Public Member Functions
void	runVisualization (ModelFittingBase &model, DataSource &dataSource, size_t fold, size_t batch) override
	Method to run the visualization process for a given batch and fold.
	VisualizerDensityEstimation ()=default
	VisualizerDensityEstimation (VisualizerConfiguration config)
	Constructor given a configuration.
	~VisualizerDensityEstimation () override=default
	Default destructor.
Public Member Functions inherited from sgpp::datadriven::Visualizer
const VisualizerConfiguration &	getVisualizerConfiguration () const
	Get the configuration of the visualizer object.
	Visualizer ()
virtual	~Visualizer ()=default
	Virtual destructor.

Protected Member Functions
void	getHeatmap (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which starts the heatmap generation for Density Estimation Models.
void	getHeatmap2D (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which generates the heatmap of models of 2 dimensions.
void	getHeatmap3D (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which generates the heatmap of models of 3 dimensions.
void	getHeatmapMore4D (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which generates the heatmap of models of 4 or more dimensions.
void	getLinearCuts (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which starts the linear cut generation for Density Estimation Models.
void	getLinearCuts1D (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which generates the linear cuts graphs for models of 1 dimension.
void	getLinearCuts2D (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which generates the linear cuts graphs for models of 2 dimensions.
void	getLinearCutsMore3D (ModelFittingBase &model, std::string currentDirectory, DataMatrix &matrix)
	Method which generates the linear cuts graphs for models of 3 or more dimensions.
void	initializeMatrices (ModelFittingBase &model, DataMatrix &cutMatrix, DataMatrix &heatMapMatrix)
	Method which builds the matrices used to generate the cuts and the heatmaps.
void	storeCutJson (DataMatrix &matrix, std::string filepath)
	Method to generate and store in json format for the plotly library the output of the linear cuts for models of 1 dimension.
void	storeCutJson (DataMatrix &matrix, std::vector< size_t > indexes, size_t &varDim, std::string filepath)
	Method to generate and store in json format for the plotly library the output of the linear cuts for models of 2 or more dimensions.
void	storeGrid (ModelFittingBase &model, std::string currentDirectory)
	Method which stores the coordinates of the grid points of a Density Estimation model.
void	storeHeatmapJson (DataMatrix &matrix, ModelFittingBase &model, std::string filepath)
	Method to generate and store in json format for the plotly library the output of the heatmaps for models of 2 dimensions.
void	storeHeatmapJson (DataMatrix &matrix, ModelFittingBase &model, std::vector< size_t > indexes, size_t &varDim1, size_t &varDim2, std::string filepath)
	Method to generate and store in json format for the plotly library the output of the hetamaps for models of 3 or more dimensions.
void	storeTsneJson (DataMatrix &matrix, ModelFittingBase &model, std::string currentDirectory)
	Method to generate and store in json format for the plotly library the output of the tsne algorithm.
void	swapColumns (DataMatrix &matrix, size_t col1, size_t col2)
	Method to swap to columns of a matrix.
void	translateColumns (DataMatrix &matrix, size_t maxColumns)
	Method which shifts one position the columns of a matrix from left to right in a circular fashion until the column given by the parameters maxColumns.
void	translateColumnsLeft (DataMatrix &matrix, std::vector< size_t > indexes)
	Method which shifts the columns given by the vector indexes of a matrix from right to left in a circular fashion.
void	translateColumnsRight (DataMatrix &matrix, std::vector< size_t > indexes)
	Method which shifts the columns given by the vector indexes of a matrix from left to right in a circular fashion.
void	updateIndexesCuts (std::vector< size_t > &columnIndexes, DataMatrix &matrix)
	Method to update the columns indexes to be shifted when generating the linear cuts.
void	updateIndexesHeatmap (std::vector< size_t > &columnIndexes, DataMatrix &matrix)
	Method to update the columns indexes to be shifted when generating the heatmap.
Protected Member Functions inherited from sgpp::datadriven::Visualizer
void	createFolder (std::string folder_path)
	Method to create a folder based on the operating system of the user.

Additional Inherited Members
Protected Attributes inherited from sgpp::datadriven::Visualizer
VisualizerConfiguration	config
	Configuration object for the fitter.
std::string	currentDirectory
	Variable to store the current folder in which the visualizer is working on.
DataMatrix	originalData
	Matrix to store the data from the datasource.
size_t	resolution
	Resolution used in the graphs.
DataMatrix	tsneCompressedData
	Matrix to store the data provided by the tsne algorithm.

Constructor & Destructor Documentation

VisualizerDensityEstimation() [1/2]

sgpp::datadriven::VisualizerDensityEstimation::VisualizerDensityEstimation ( )

default

VisualizerDensityEstimation() [2/2]

sgpp::datadriven::VisualizerDensityEstimation::VisualizerDensityEstimation ( VisualizerConfiguration  config )

explicit

Constructor given a configuration.

Parameters

config

The VisualizerConfiguration object which contains the configuration to run the visualization module

References sgpp::datadriven::Visualizer::config.

~VisualizerDensityEstimation()

sgpp::datadriven::VisualizerDensityEstimation::~VisualizerDensityEstimation ( )

overridedefault

Default destructor.

Member Function Documentation

getHeatmap()

void sgpp::datadriven::VisualizerDensityEstimation::getHeatmap ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which starts the heatmap generation for Density Estimation Models.

Parameters

model	The model used to evaluate the heatmap
currentDirectory	The current directory to store the heatmap results
matrix	The matrix containing the points to evaluate the heatmap

References sgpp::datadriven::Visualizer::createFolder(), sgpp::datadriven::Visualizer::currentDirectory, sgpp::base::GeneralGridConfiguration::dim_, sgpp::datadriven::ModelFittingBase::getFitterConfiguration(), sgpp::datadriven::FitterConfiguration::getGridConfig(), getHeatmap2D(), getHeatmap3D(), and getHeatmapMore4D().

Referenced by sgpp::datadriven::VisualizerClassification::runVisualization(), and runVisualization().

getHeatmap2D()

void sgpp::datadriven::VisualizerDensityEstimation::getHeatmap2D ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which generates the heatmap of models of 2 dimensions.

Parameters

model	The model used to evaluate the heatmap
currentDirectory	The current directory to store the heatmap results
matrix	The matrix containing the points to evaluate the heatmap

References sgpp::base::DataMatrix::appendCol(), sgpp::datadriven::Visualizer::config, sgpp::datadriven::CSV, sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::ModelFittingBase::evaluate(), sgpp::datadriven::VisualizerConfiguration::getGeneralConfig(), sgpp::base::DataMatrix::getNrows(), sgpp::datadriven::json, storeHeatmapJson(), sgpp::datadriven::VisualizationGeneralConfig::targetFileType_, and sgpp::datadriven::CSVTools::writeMatrixToCSVFile().

Referenced by getHeatmap().

getHeatmap3D()

void sgpp::datadriven::VisualizerDensityEstimation::getHeatmap3D ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which generates the heatmap of models of 3 dimensions.

Parameters

model	The model used to evaluate the heatmap
currentDirectory	The current directory to store the heatmap results
matrix	The matrix containing the points to evaluate the heatmap

References sgpp::base::DataMatrix::appendCol(), sgpp::datadriven::Visualizer::config, sgpp::datadriven::CSV, sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::ModelFittingBase::evaluate(), sgpp::datadriven::VisualizerConfiguration::getGeneralConfig(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), sgpp::datadriven::json, sgpp::datadriven::Visualizer::resolution, storeHeatmapJson(), sgpp::datadriven::VisualizationGeneralConfig::targetFileType_, translateColumns(), and sgpp::datadriven::CSVTools::writeMatrixToCSVFile().

Referenced by getHeatmap().

getHeatmapMore4D()

void sgpp::datadriven::VisualizerDensityEstimation::getHeatmapMore4D ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which generates the heatmap of models of 4 or more dimensions.

Parameters

model	The model used to evaluate the heatmap
currentDirectory	The current directory to store the heatmap results
matrix	The matrix containing the points to evaluate the heatmap

References sgpp::base::DataMatrix::appendCol(), sgpp::datadriven::Visualizer::config, sgpp::datadriven::Visualizer::createFolder(), sgpp::datadriven::CSV, sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::ModelFittingBase::evaluate(), sgpp::datadriven::VisualizerConfiguration::getGeneralConfig(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), sgpp::datadriven::json, storeHeatmapJson(), sgpp::datadriven::VisualizationGeneralConfig::targetFileType_, translateColumnsLeft(), translateColumnsRight(), updateIndexesHeatmap(), and sgpp::datadriven::CSVTools::writeMatrixToCSVFile().

Referenced by getHeatmap().

getLinearCuts()

void sgpp::datadriven::VisualizerDensityEstimation::getLinearCuts ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which starts the linear cut generation for Density Estimation Models.

Parameters

model	The model used to evaluate the linear cuts
currentDirectory	The current directory to store the linear cuts results
matrix	The matrix containing the points to evaluate the cuts

References sgpp::datadriven::Visualizer::createFolder(), sgpp::datadriven::Visualizer::currentDirectory, sgpp::base::GeneralGridConfiguration::dim_, sgpp::datadriven::ModelFittingBase::getFitterConfiguration(), sgpp::datadriven::FitterConfiguration::getGridConfig(), getLinearCuts1D(), getLinearCuts2D(), and getLinearCutsMore3D().

Referenced by sgpp::datadriven::VisualizerClassification::runVisualization(), and runVisualization().

getLinearCuts1D()

void sgpp::datadriven::VisualizerDensityEstimation::getLinearCuts1D ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which generates the linear cuts graphs for models of 1 dimension.

Parameters

model	the model used to evaluate the linear cuts
currentDirectory	The current directory to store the linear cuts results
matrix	The matrix containing the points to evaluate the cuts

References sgpp::base::DataMatrix::appendCol(), sgpp::datadriven::Visualizer::config, sgpp::datadriven::CSV, sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::ModelFittingBase::evaluate(), sgpp::datadriven::VisualizerConfiguration::getGeneralConfig(), sgpp::base::DataMatrix::getNrows(), sgpp::datadriven::json, storeCutJson(), sgpp::datadriven::VisualizationGeneralConfig::targetFileType_, and sgpp::datadriven::CSVTools::writeMatrixToCSVFile().

Referenced by getLinearCuts().

getLinearCuts2D()

void sgpp::datadriven::VisualizerDensityEstimation::getLinearCuts2D ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which generates the linear cuts graphs for models of 2 dimensions.

Parameters

model	the model used to evaluate the linear cuts
currentDirectory	The current directory to store the linear cuts results
matrix	The matrix containing the points to evaluate the cuts

References sgpp::base::DataMatrix::appendCol(), sgpp::datadriven::Visualizer::config, sgpp::datadriven::CSV, sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::ModelFittingBase::evaluate(), sgpp::datadriven::VisualizerConfiguration::getGeneralConfig(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), sgpp::datadriven::json, storeCutJson(), sgpp::datadriven::VisualizationGeneralConfig::targetFileType_, translateColumns(), and sgpp::datadriven::CSVTools::writeMatrixToCSVFile().

Referenced by getLinearCuts().

getLinearCutsMore3D()

void sgpp::datadriven::VisualizerDensityEstimation::getLinearCutsMore3D ( ModelFittingBase &  model, std::string  currentDirectory, DataMatrix &  matrix  )

protected

Method which generates the linear cuts graphs for models of 3 or more dimensions.

Parameters

model	the model used to evaluate the linear cuts
currentDirectory	The current directory to store the linear cuts results
matrix	The matrix containing the points to evaluate the cuts

References sgpp::base::DataMatrix::appendCol(), sgpp::datadriven::Visualizer::config, sgpp::datadriven::Visualizer::createFolder(), sgpp::datadriven::CSV, sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::ModelFittingBase::evaluate(), sgpp::datadriven::VisualizerConfiguration::getGeneralConfig(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), sgpp::datadriven::json, storeCutJson(), sgpp::datadriven::VisualizationGeneralConfig::targetFileType_, translateColumnsRight(), updateIndexesCuts(), and sgpp::datadriven::CSVTools::writeMatrixToCSVFile().

Referenced by getLinearCuts().

initializeMatrices()

void sgpp::datadriven::VisualizerDensityEstimation::initializeMatrices ( ModelFittingBase &  model, DataMatrix &  cutMatrix, DataMatrix &  heatMapMatrix  )

protected

Method which builds the matrices used to generate the cuts and the heatmaps.

Parameters

model	The model used to evaluate the linear cuts and the heatmaps
cutMatrix	Matrix to be initialized which will be used to evaluate the linear cuts
heatMapMatrix	Matrix to be initialized which will be used to evaluate the heatmaps

References sgpp::base::DataMatrix::appendRow(), sgpp::datadriven::ModelFittingBase::getDataset(), sgpp::datadriven::Dataset::getDimension(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::resize(), sgpp::datadriven::Visualizer::resolution, and sgpp::base::DataVector::set().

Referenced by sgpp::datadriven::VisualizerClassification::runVisualization(), and runVisualization().

runVisualization()

void sgpp::datadriven::VisualizerDensityEstimation::runVisualization ( ModelFittingBase &  model, DataSource &  dataSource, size_t  fold, size_t  batch  )

overridevirtual

Method to run the visualization process for a given batch and fold.

Parameters

model	The model used to evaluate the visualization
dataSource	The datasource from where the data points are obtained
fold	The current fold being processed
batch	The current batch being processed

Implements sgpp::datadriven::Visualizer.

References sgpp::datadriven::VisualizationGeneralConfig::algorithm_, sgpp::datadriven::Visualizer::config, sgpp::datadriven::Visualizer::createFolder(), sgpp::datadriven::VisualizationGeneralConfig::crossValidation_, sgpp::datadriven::CSV, sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::VisualizationGeneralConfig::execute_, sgpp::datadriven::DataSource::getAllSamples(), sgpp::datadriven::Dataset::getData(), sgpp::datadriven::ModelFittingBase::getFitterConfiguration(), sgpp::datadriven::VisualizerConfiguration::getGeneralConfig(), sgpp::datadriven::FitterConfiguration::getGridConfig(), getHeatmap(), getLinearCuts(), sgpp::datadriven::VisualizerConfiguration::getVisualizationParameters(), initializeMatrices(), sgpp::base::GeneralGridConfiguration::level_, sgpp::datadriven::VisualizationGeneralConfig::numBatches_, sgpp::datadriven::VisualizationParameters::numberCores_, sgpp::datadriven::Visualizer::originalData, sgpp::datadriven::Visualizer::resolution, storeGrid(), sgpp::datadriven::VisualizationGeneralConfig::targetDirectory_, and sgpp::datadriven::VisualizationGeneralConfig::targetFileType_.

storeCutJson() [1/2]

void sgpp::datadriven::VisualizerDensityEstimation::storeCutJson ( DataMatrix &  matrix, std::string  filepath  )

protected

Method to generate and store in json format for the plotly library the output of the linear cuts for models of 1 dimension.

Parameters

matrix	Matrix with the content to be stored
filepath	The current directory to store the json file

References json::DictNode::addDictAttr(), json::Node::addDictValue(), json::DictNode::addIDAttr(), json::DictNode::addListAttr(), sgpp::base::DataMatrix::getColumn(), sgpp::base::DataMatrix::getNrows(), json::JSON::serialize(), and sgpp::base::DataVector::toString().

storeCutJson() [2/2]

void sgpp::datadriven::VisualizerDensityEstimation::storeCutJson ( DataMatrix &  matrix, std::vector< size_t >  indexes, size_t &  varDim, std::string  filepath  )

protected

Method to generate and store in json format for the plotly library the output of the linear cuts for models of 2 or more dimensions.

Parameters

matrix	Matrix with the content to be stored
indexes	Vectors containing the dimensions used when generating these cuts
varDim	THe dimension number varying and whose evaluation is shown in the model
filepath	The current directory to store the json file

References json::DictNode::addDictAttr(), json::Node::addDictValue(), json::DictNode::addIDAttr(), json::Node::addIdValue(), json::DictNode::addListAttr(), sgpp::base::DataMatrix::copyFrom(), sgpp::base::DataVector::get(), sgpp::base::DataMatrix::getColumn(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), sgpp::base::DataMatrix::getRow(), sgpp::base::DataMatrix::resizeToSubMatrix(), json::JSON::serialize(), and sgpp::base::DataVector::toString().

Referenced by getLinearCuts1D(), getLinearCuts2D(), and getLinearCutsMore3D().

storeGrid()

void sgpp::datadriven::VisualizerDensityEstimation::storeGrid ( ModelFittingBase &  model, std::string  currentDirectory  )

protected

Method which stores the coordinates of the grid points of a Density Estimation model.

Parameters

model	The model from where the grid is obtained
currentDirectory	The current directory to store the grid data

References sgpp::base::Grid::clone(), sgpp::datadriven::Visualizer::currentDirectory, sgpp::datadriven::ModelFittingBaseSingleGrid::getGrid(), grid(), and sgpp::datadriven::CSVTools::writeMatrixToCSVFile().

Referenced by runVisualization().

storeHeatmapJson() [1/2]

void sgpp::datadriven::VisualizerDensityEstimation::storeHeatmapJson ( DataMatrix &  matrix, ModelFittingBase &  model, std::string  filepath  )

protected

Method to generate and store in json format for the plotly library the output of the heatmaps for models of 2 dimensions.

Parameters

matrix	Matrix with the content to be stored
model	The model used when evaluating the heatmaps
filepath	The current directory to store the json file

References json::DictNode::addDictAttr(), json::Node::addDictValue(), json::DictNode::addIDAttr(), json::DictNode::addListAttr(), sgpp::base::Grid::clone(), sgpp::base::DataMatrix::getColumn(), sgpp::datadriven::ModelFittingBaseSingleGrid::getGrid(), sgpp::base::DataMatrix::getNrows(), grid(), sgpp::base::DataMatrix::max(), sgpp::base::DataMatrix::min(), json::JSON::serialize(), and sgpp::base::DataVector::toString().

storeHeatmapJson() [2/2]

void sgpp::datadriven::VisualizerDensityEstimation::storeHeatmapJson ( DataMatrix &  matrix, ModelFittingBase &  model, std::vector< size_t >  indexes, size_t &  varDim1, size_t &  varDim2, std::string  filepath  )

protected

Method to generate and store in json format for the plotly library the output of the hetamaps for models of 3 or more dimensions.

Parameters

matrix	Matrix with the content to be stored
model	The model used when evaluating the heatmaps
indexes	Vectors containing the dimensions used when generating these heatmaps
varDim1	The first dimension number varying and whose evaluation is shown in the model
varDim2	The second dimension number varying and whose evaluation is shown in the model
filepath	The current directory to store the json file

References json::DictNode::addDictAttr(), json::Node::addDictValue(), json::DictNode::addIDAttr(), json::Node::addIdValue(), json::DictNode::addListAttr(), sgpp::base::DataMatrix::appendRow(), sgpp::base::Grid::clone(), sgpp::base::DataMatrix::copyFrom(), sgpp::base::DataVector::get(), sgpp::base::DataMatrix::getColumn(), sgpp::datadriven::ModelFittingBaseSingleGrid::getGrid(), sgpp::base::DataMatrix::getNcols(), sgpp::base::DataMatrix::getNrows(), sgpp::base::DataMatrix::getRow(), grid(), sgpp::base::DataMatrix::max(), sgpp::base::DataMatrix::min(), sgpp::base::DataMatrix::resizeToSubMatrix(), json::JSON::serialize(), and sgpp::base::DataVector::toString().

Referenced by getHeatmap2D(), getHeatmap3D(), and getHeatmapMore4D().

storeTsneJson()

void sgpp::datadriven::VisualizerDensityEstimation::storeTsneJson ( DataMatrix &  matrix, ModelFittingBase &  model, std::string  currentDirectory  )

protected

Method to generate and store in json format for the plotly library the output of the tsne algorithm.

Parameters

matrix	Matrix with the content to be stored
model	Model used in the evaluation
currentDirectory	The current directory to store the json file

References json::DictNode::addDictAttr(), json::Node::addDictValue(), json::DictNode::addIDAttr(), json::DictNode::addListAttr(), sgpp::datadriven::Visualizer::currentDirectory, sgpp::base::DataMatrix::getColumn(), sgpp::base::DataMatrix::getNrows(), json::JSON::serialize(), and sgpp::base::DataVector::toString().

swapColumns()

void sgpp::datadriven::VisualizerDensityEstimation::swapColumns ( DataMatrix &  matrix, size_t  col1, size_t  col2  )

protected

Method to swap to columns of a matrix.

Parameters

matrix	The matrix whose columns are to be swaped
col1	The column identifier to be swaped with the column identified by col2
col2	The colum identifier to be swaped with the column identified by col1

References sgpp::base::DataMatrix::getColumn(), sgpp::base::DataMatrix::getNrows(), and sgpp::base::DataMatrix::setColumn().

Referenced by updateIndexesCuts(), and updateIndexesHeatmap().

translateColumns()

void sgpp::datadriven::VisualizerDensityEstimation::translateColumns ( DataMatrix &  matrix, size_t  maxColumns  )

protected

Method which shifts one position the columns of a matrix from left to right in a circular fashion until the column given by the parameters maxColumns.

Parameters

matrix	The matrix to be shifted
maxColumns	The max number of columns used when shifting

References sgpp::base::DataMatrix::copyFrom(), sgpp::base::DataMatrix::getColumn(), sgpp::base::DataMatrix::getNrows(), and sgpp::base::DataMatrix::setColumn().

Referenced by getHeatmap3D(), sgpp::datadriven::VisualizerClassification::getHeatmap3DClassification(), and getLinearCuts2D().

translateColumnsLeft()

void sgpp::datadriven::VisualizerDensityEstimation::translateColumnsLeft ( DataMatrix &  matrix, std::vector< size_t >  indexes  )

protected

Method which shifts the columns given by the vector indexes of a matrix from right to left in a circular fashion.

If indexes are <1,3,6> Then column 1 will be shifted to 6, 6 to 3 and 1 to 6.

Parameters

matrix	The matrix to be shifted
indexes	Vector containing the columns to shift

References sgpp::base::DataMatrix::copyFrom(), sgpp::base::DataMatrix::getColumn(), sgpp::base::DataMatrix::getNrows(), and sgpp::base::DataMatrix::setColumn().

Referenced by getHeatmapMore4D(), and sgpp::datadriven::VisualizerClassification::getHeatmapMore4DClassification().

translateColumnsRight()

void sgpp::datadriven::VisualizerDensityEstimation::translateColumnsRight ( DataMatrix &  matrix, std::vector< size_t >  indexes  )

protected

Method which shifts the columns given by the vector indexes of a matrix from left to right in a circular fashion.

If indexes are <1,3,6> Then column 1 will be shifted to 3, 3 to 6 and 6 to 1.

Parameters

matrix	The matrix to be shifted
indexes	Vector containing the columns to shift

References sgpp::base::DataMatrix::copyFrom(), sgpp::base::DataMatrix::getColumn(), sgpp::base::DataMatrix::getNrows(), and sgpp::base::DataMatrix::setColumn().

Referenced by getHeatmapMore4D(), sgpp::datadriven::VisualizerClassification::getHeatmapMore4DClassification(), and getLinearCutsMore3D().

updateIndexesCuts()

void sgpp::datadriven::VisualizerDensityEstimation::updateIndexesCuts ( std::vector< size_t > &  columnIndexes, DataMatrix &  matrix  )

protected

Method to update the columns indexes to be shifted when generating the linear cuts.

Parameters

columnIndexes	Vector to update
matrix	The matrix whose columns are being shifted

References sgpp::base::DataMatrix::getNcols(), and swapColumns().

Referenced by getLinearCutsMore3D().

updateIndexesHeatmap()

void sgpp::datadriven::VisualizerDensityEstimation::updateIndexesHeatmap ( std::vector< size_t > &  columnIndexes, DataMatrix &  matrix  )

protected

Method to update the columns indexes to be shifted when generating the heatmap.

Parameters

columnIndexes	Vector to update
matrix	The matrix whose columns are being shifted

References sgpp::base::DataMatrix::getNcols(), and swapColumns().

Referenced by getHeatmapMore4D(), and sgpp::datadriven::VisualizerClassification::getHeatmapMore4DClassification().

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

• datadriven/src/sgpp/datadriven/datamining/modules/visualization/VisualizerDensityEstimation.hpp
• datadriven/src/sgpp/datadriven/datamining/modules/visualization/VisualizerDensityEstimation.cpp