Detailed Description

Class MeanSquaredError used to compute an error of regression model.

Formally, for real labels $ L,R, |L|=|R|$ mean squared error (MSE) is estimated as

$\frac{1}{|L|} \sum_{i=1}^{|L|} (L_i - R_i)^2$

Definition at line 33 of file MeanSquaredError.h.

Inheritance diagram for CMeanSquaredError:

Public Member Functions
	CMeanSquaredError ()
virtual	~CMeanSquaredError ()
virtual float64_t	evaluate (CLabels predicted, CLabels ground_truth)
EEvaluationDirection	get_evaluation_direction ()
virtual const char *	get_name () const
Public Member Functions inherited from CEvaluation
	CEvaluation ()
virtual	~CEvaluation ()
Public Member Functions inherited from CSGObject
	CSGObject ()
	CSGObject (const CSGObject &orig)
virtual	~CSGObject ()
virtual bool	is_generic (EPrimitiveType *generic) const
template<class T >
void	set_generic ()
void	unset_generic ()
virtual void	print_serializable (const char *prefix="")
virtual bool	save_serializable (CSerializableFile file, const char prefix="")
virtual bool	load_serializable (CSerializableFile file, const char prefix="")
void	set_global_io (SGIO *io)
SGIO *	get_global_io ()
void	set_global_parallel (Parallel *parallel)
Parallel *	get_global_parallel ()
void	set_global_version (Version *version)
Version *	get_global_version ()
SGVector< char * >	get_modelsel_names ()
char *	get_modsel_param_descr (const char *param_name)
index_t	get_modsel_param_index (const char *param_name)

Additional Inherited Members
Public Attributes inherited from CSGObject
SGIO *	io
Parallel *	parallel
Version *	version
Parameter *	m_parameters
Parameter *	m_model_selection_parameters
Protected Member Functions inherited from CSGObject
virtual void	load_serializable_pre () throw (ShogunException)
virtual void	load_serializable_post () throw (ShogunException)
virtual void	save_serializable_pre () throw (ShogunException)
virtual void	save_serializable_post () throw (ShogunException)

Constructor & Destructor Documentation

CMeanSquaredError ( )

constructor

Definition at line 37 of file MeanSquaredError.h.

virtual ~CMeanSquaredError ( )

virtual

destructor

Definition at line 40 of file MeanSquaredError.h.

virtual

evaluate mean squared error

Parameters

predicted	labels for evaluating
ground_truth	labels assumed to be correct

Implements CEvaluation.

Definition at line 17 of file MeanSquaredError.cpp.

EEvaluationDirection get_evaluation_direction ( )

virtual

Implements CEvaluation.

Definition at line 49 of file MeanSquaredError.h.

virtual const char* get_name ( ) const

virtual

get name

Implements CSGObject.

Definition at line 55 of file MeanSquaredError.h.

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