CHistogramWordStringKernel Class Reference

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Detailed Description

The HistogramWordString computes the TOP kernel on inhomogeneous Markov Chains.

Definition at line 26 of file HistogramWordStringKernel.h.

Inheritance diagram for CHistogramWordStringKernel:

List of all members.

Public Member Functions
	CHistogramWordStringKernel ()
	CHistogramWordStringKernel (int32_t size, CPluginEstimate *pie)
	CHistogramWordStringKernel (CStringFeatures< uint16_t > *l, CStringFeatures< uint16_t > *r, CPluginEstimate *pie)
virtual	~CHistogramWordStringKernel ()
virtual bool	init (CFeatures *l, CFeatures *r)
virtual void	cleanup ()
virtual EKernelType	get_kernel_type ()
virtual const char *	get_name () const
Protected Member Functions
float64_t	compute (int32_t idx_a, int32_t idx_b)
int32_t	compute_index (int32_t position, uint16_t symbol)
Protected Attributes
CPluginEstimate *	estimate
float64_t *	mean
float64_t *	variance
float64_t *	sqrtdiag_lhs
float64_t *	sqrtdiag_rhs
float64_t *	ld_mean_lhs
float64_t *	ld_mean_rhs
float64_t *	plo_lhs
float64_t *	plo_rhs
int32_t	num_params
int32_t	num_params2
int32_t	num_symbols
float64_t	sum_m2_s2
bool	initialized

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Constructor & Destructor Documentation

CHistogramWordStringKernel

(

void

)

default constructor

Definition at line 21 of file HistogramWordStringKernel.cpp.

CHistogramWordStringKernel	(	int32_t	size,
		CPluginEstimate *	pie
	)

constructor

Parameters:

	size	cache size
	pie	plugin estimate

Definition at line 27 of file HistogramWordStringKernel.cpp.

CHistogramWordStringKernel	(	CStringFeatures< uint16_t > *	l,
		CStringFeatures< uint16_t > *	r,
		CPluginEstimate *	pie
	)

constructor

Parameters:

	l	features of left-hand side
	r	features of right-hand side
	pie	plugin estimate

Definition at line 36 of file HistogramWordStringKernel.cpp.

~CHistogramWordStringKernel

(

)

[virtual]

Definition at line 46 of file HistogramWordStringKernel.cpp.

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Member Function Documentation

void cleanup

(

)

[virtual]

clean up kernel

Reimplemented from CKernel.

Definition at line 319 of file HistogramWordStringKernel.cpp.

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

compute kernel function for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object

Parameters:

	idx_a	index a
	idx_b	index b

Returns:

computed kernel function at indices a,b

Implements CKernel.

Definition at line 357 of file HistogramWordStringKernel.cpp.

int32_t compute_index	(	int32_t	position,
		uint16_t	symbol
	)			[protected]

compute index

Parameters:

	position	position
	symbol	symbol

Returns:

index at given position in given symbol

Definition at line 91 of file HistogramWordStringKernel.h.

virtual EKernelType get_kernel_type

(

)

[virtual]

return what type of kernel we are

Returns:

kernel type HISTOGRAM

Implements CStringKernel< uint16_t >.

Definition at line 66 of file HistogramWordStringKernel.h.

virtual const char* get_name

(

void

)

const [virtual]

return the kernel's name

Returns:

name Histogram

Reimplemented from CStringKernel< uint16_t >.

Definition at line 72 of file HistogramWordStringKernel.h.

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

initialize kernel

Parameters:

	l	features of left-hand side
	r	features of right-hand side

Returns:

if initializing was successful

Reimplemented from CStringKernel< uint16_t >.

Definition at line 63 of file HistogramWordStringKernel.cpp.

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Member Data Documentation

CPluginEstimate* estimate [protected]

plugin estimate

Definition at line 101 of file HistogramWordStringKernel.h.

bool initialized [protected]

if kernel is initialized

Definition at line 133 of file HistogramWordStringKernel.h.

float64_t* ld_mean_lhs [protected]

ld mean left-hand side

Definition at line 114 of file HistogramWordStringKernel.h.

float64_t* ld_mean_rhs [protected]

ld mean right-hand side

Definition at line 116 of file HistogramWordStringKernel.h.

float64_t* mean [protected]

mean

Definition at line 104 of file HistogramWordStringKernel.h.

int32_t num_params [protected]

number of parameters

Definition at line 124 of file HistogramWordStringKernel.h.

int32_t num_params2 [protected]

number of parameters2

Definition at line 126 of file HistogramWordStringKernel.h.

int32_t num_symbols [protected]

number of symbols

Definition at line 128 of file HistogramWordStringKernel.h.

float64_t* plo_lhs [protected]

plo left-hand side

Definition at line 119 of file HistogramWordStringKernel.h.

float64_t* plo_rhs [protected]

plo right-hand side

Definition at line 121 of file HistogramWordStringKernel.h.

float64_t* sqrtdiag_lhs [protected]

sqrt diagonal of left-hand side

Definition at line 109 of file HistogramWordStringKernel.h.

float64_t* sqrtdiag_rhs [protected]

sqrt diagonal of right-hand side

Definition at line 111 of file HistogramWordStringKernel.h.

float64_t sum_m2_s2 [protected]

sum m2 s2

Definition at line 130 of file HistogramWordStringKernel.h.

float64_t* variance [protected]

variance

Definition at line 106 of file HistogramWordStringKernel.h.

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

• HistogramWordStringKernel.h
• HistogramWordStringKernel.cpp