Detailed Description

ANOVA (ANalysis Of VAriances) kernel.

Formally described as

$K_d(x,z) = \sum_{1\le i_1<i_2<\dots<i_d\le n} \prod_{j=1}^d x_{i_j} z_{i_j}$

with d(cardinality)=1 by default this function is computed recusively

Definition at line 37 of file ANOVAKernel.h.

Inheritance diagram for CANOVAKernel:

[legend]

List of all members.

Public Member Functions
	CANOVAKernel ()
	CANOVAKernel (int32_t cache, int32_t d)
	CANOVAKernel (CSimpleFeatures< float64_t > l, CSimpleFeatures< float64_t > r, int32_t d, int32_t cache)
virtual	~CANOVAKernel ()
virtual bool	init (CFeatures l, CFeatures r)
virtual EKernelType	get_kernel_type ()
virtual EFeatureType	get_feature_type ()
virtual EFeatureClass	get_feature_class ()
virtual const char *	get_name () const
int32_t	get_cardinality ()
void	set_cardinality (int32_t value)
float64_t	compute_rec1 (int32_t idx_a, int32_t idx_b)
float64_t	compute_rec2 (int32_t idx_a, int32_t idx_b)
Protected Member Functions
virtual float64_t	compute (int32_t idx_a, int32_t idx_b)
void	init ()
void	allocate_arrays ()
virtual void	cleanup ()
void	register_params ()
virtual void	load_serializable_post () throw (ShogunException)
Protected Attributes
int32_t	cardinality
	degree parameter of kernel
float64_t *	DP
	array for compute_recursive1
int32_t	DP_len
	length of DP
float64_t *	KD
	arrays for compute_recursive2
float64_t *	KS
	KS.
float64_t *	vec_pow
	vec pow

Constructor & Destructor Documentation

CANOVAKernel ( )

default constructor

Definition at line 17 of file ANOVAKernel.cpp.

CANOVAKernel	(	int32_t	cache,
		int32_t	d
	)

constructor

Parameters:

	cache	size of cache
	d	kernel parameter cardinality

Definition at line 23 of file ANOVAKernel.cpp.

CANOVAKernel	(	CSimpleFeatures< float64_t > *	l,
		CSimpleFeatures< float64_t > *	r,
		int32_t	d,
		int32_t	cache
	)

constructor

Parameters:

	l	features left-side
	r	features right-side
	d	kernel parameter cardinality
	cache	cache size

Definition at line 30 of file ANOVAKernel.cpp.

~CANOVAKernel ( ) [virtual]

Definition at line 39 of file ANOVAKernel.cpp.

Member Function Documentation

void allocate_arrays ( ) [protected]

allocate arrays

Definition at line 109 of file ANOVAKernel.cpp.

void cleanup ( ) [protected, virtual]

clean up kernel

Reimplemented from CKernel.

Definition at line 127 of file ANOVAKernel.cpp.

float64_t compute	(	int32_t	idx_a,
		int32_t	idx_b
	)			`[protected, virtual]`

compute kernel for specific feature vectors corresponding to [idx_a] of left-side and [idx_b] of right-side

Parameters:

	idx_a	left-side index
	idx_b	right-side index

Returns:: kernel value

Reimplemented from CDotKernel.

Definition at line 55 of file ANOVAKernel.cpp.

float64_t compute_rec1	(	int32_t	idx_a,
		int32_t	idx_b
	)

compute rec 1

Parameters:

	idx_a
	idx_b

Returns:: rec1

Definition at line 60 of file ANOVAKernel.cpp.

float64_t compute_rec2	(	int32_t	idx_a,
		int32_t	idx_b
	)

computer rec 2

Parameters:

	idx_a
	idx_b

Returns:: rec2

Definition at line 79 of file ANOVAKernel.cpp.

int32_t get_cardinality ( )

getter for degree parameter

Returns:: kernel parameter cardinality

Definition at line 90 of file ANOVAKernel.h.

virtual EFeatureClass get_feature_class ( ) [virtual]

Returns:: class of features

Reimplemented from CDotKernel.

Definition at line 80 of file ANOVAKernel.h.

virtual EFeatureType get_feature_type ( ) [virtual]

Returns:: type of features

Reimplemented from CDotKernel.

Definition at line 75 of file ANOVAKernel.h.

virtual EKernelType get_kernel_type ( ) [virtual]

Returns:: kernel type

Implements CDotKernel.

Definition at line 70 of file ANOVAKernel.h.

virtual const char* get_name ( ) const [virtual]

Returns:: name of kernel

Reimplemented from CDotKernel.

Definition at line 85 of file ANOVAKernel.h.

void init ( ) [protected]

init

array for compute_recursive1

arrays for compute_recursive2

Reimplemented from CKernel.

Definition at line 98 of file ANOVAKernel.cpp.

bool init	(	CFeatures *	l,
		CFeatures *	r
	)			`[virtual]`

initialize kernel with features

Parameters:

	l	features left-side
	r	features right-side

Returns:: true if successful

Reimplemented from CDotKernel.

Definition at line 44 of file ANOVAKernel.cpp.

void load_serializable_post ( ) throw (ShogunException) [protected, virtual]

Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_POST is called.

Exceptions:

ShogunException

Will be thrown if an error occurres.

Reimplemented from CKernel.

Definition at line 143 of file ANOVAKernel.cpp.

void register_params ( ) [protected, virtual]

register params

Reimplemented from CKernel.

Definition at line 149 of file ANOVAKernel.cpp.

void set_cardinality ( int32_t value )

setter for degree parameter

Parameters:

value

kernel parameter cardinality

Definition at line 95 of file ANOVAKernel.h.

Member Data Documentation

int32_t cardinality [protected]

degree parameter of kernel

Definition at line 148 of file ANOVAKernel.h.

float64_t* DP [protected]

array for compute_recursive1

Definition at line 151 of file ANOVAKernel.h.

int32_t DP_len [protected]

length of DP

Definition at line 153 of file ANOVAKernel.h.

float64_t* KD [protected]

arrays for compute_recursive2

Definition at line 156 of file ANOVAKernel.h.

float64_t* KS [protected]

KS.

Definition at line 158 of file ANOVAKernel.h.

float64_t* vec_pow [protected]

vec pow

Definition at line 160 of file ANOVAKernel.h.

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

CANOVAKernel Class Reference

Detailed Description

Public Member Functions

Protected Member Functions

Protected Attributes

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation