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CHistogramWordStringKernel Class Reference

Detailed Description

The HistogramWordString computes the TOP kernel on inhomogeneous Markov Chains.

Definition at line 26 of file HistogramWordStringKernel.h.

Inheritance diagram for CHistogramWordStringKernel:
Inheritance graph
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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
 
- Public Member Functions inherited from CStringKernel< uint16_t >
 CStringKernel (int32_t cachesize=0)
 
 CStringKernel (CFeatures *l, CFeatures *r)
 
virtual EFeatureClass get_feature_class ()
 
virtual EFeatureType get_feature_type ()
 
- Public Member Functions inherited from CKernel
 CKernel ()
 
 CKernel (int32_t size)
 
 CKernel (CFeatures *l, CFeatures *r, int32_t size)
 
virtual ~CKernel ()
 
float64_t kernel (int32_t idx_a, int32_t idx_b)
 
SGMatrix< float64_tget_kernel_matrix ()
 
virtual SGVector< float64_tget_kernel_col (int32_t j)
 
virtual SGVector< float64_tget_kernel_row (int32_t i)
 
template<class T >
SGMatrix< T > get_kernel_matrix ()
 
virtual bool set_normalizer (CKernelNormalizer *normalizer)
 
virtual CKernelNormalizerget_normalizer ()
 
virtual bool init_normalizer ()
 
void load (CFile *loader)
 
void save (CFile *writer)
 
CFeaturesget_lhs ()
 
CFeaturesget_rhs ()
 
virtual int32_t get_num_vec_lhs ()
 
virtual int32_t get_num_vec_rhs ()
 
virtual bool has_features ()
 
bool get_lhs_equals_rhs ()
 
virtual void remove_lhs_and_rhs ()
 
virtual void remove_lhs ()
 
virtual void remove_rhs ()
 takes all necessary steps if the rhs is removed from kernel More...
 
void set_cache_size (int32_t size)
 
int32_t get_cache_size ()
 
void list_kernel ()
 
bool has_property (EKernelProperty p)
 
virtual void clear_normal ()
 
virtual void add_to_normal (int32_t vector_idx, float64_t weight)
 
EOptimizationType get_optimization_type ()
 
virtual void set_optimization_type (EOptimizationType t)
 
bool get_is_initialized ()
 
virtual bool init_optimization (int32_t count, int32_t *IDX, float64_t *weights)
 
virtual bool delete_optimization ()
 
bool init_optimization_svm (CSVM *svm)
 
virtual float64_t compute_optimized (int32_t vector_idx)
 
virtual void compute_batch (int32_t num_vec, int32_t *vec_idx, float64_t *target, int32_t num_suppvec, int32_t *IDX, float64_t *alphas, float64_t factor=1.0)
 
float64_t get_combined_kernel_weight ()
 
void set_combined_kernel_weight (float64_t nw)
 
virtual int32_t get_num_subkernels ()
 
virtual void compute_by_subkernel (int32_t vector_idx, float64_t *subkernel_contrib)
 
virtual const float64_tget_subkernel_weights (int32_t &num_weights)
 
virtual void set_subkernel_weights (SGVector< float64_t > weights)
 
- 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)
 
SGIOget_global_io ()
 
void set_global_parallel (Parallel *parallel)
 
Parallelget_global_parallel ()
 
void set_global_version (Version *version)
 
Versionget_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)
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 

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 Member Functions inherited from CKernel
void set_property (EKernelProperty p)
 
void unset_property (EKernelProperty p)
 
void set_is_initialized (bool p_init)
 
int32_t compute_row_start (int64_t offs, int32_t n, bool symmetric)
 
virtual void load_serializable_post () throw (ShogunException)
 
virtual void save_serializable_pre () throw (ShogunException)
 
virtual void save_serializable_post () throw (ShogunException)
 
virtual void register_params ()
 
- Protected Member Functions inherited from CSGObject
virtual void load_serializable_pre () throw (ShogunException)
 

Protected Attributes

CPluginEstimateestimate
 
float64_tmean
 
float64_tvariance
 
float64_tsqrtdiag_lhs
 
float64_tsqrtdiag_rhs
 
float64_tld_mean_lhs
 
float64_tld_mean_rhs
 
float64_tplo_lhs
 
float64_tplo_rhs
 
int32_t num_params
 
int32_t num_params2
 
int32_t num_symbols
 
float64_t sum_m2_s2
 
bool initialized
 
- Protected Attributes inherited from CKernel
int32_t cache_size
 cache_size in MB More...
 
KERNELCACHE_ELEMkernel_matrix
 
CFeatureslhs
 feature vectors to occur on left hand side More...
 
CFeaturesrhs
 feature vectors to occur on right hand side More...
 
bool lhs_equals_rhs
 lhs More...
 
int32_t num_lhs
 number of feature vectors on left hand side More...
 
int32_t num_rhs
 number of feature vectors on right hand side More...
 
float64_t combined_kernel_weight
 
bool optimization_initialized
 
EOptimizationType opt_type
 
uint64_t properties
 
CKernelNormalizernormalizer
 

Additional Inherited Members

- Public Attributes inherited from CSGObject
SGIOio
 
Parallelparallel
 
Versionversion
 
Parameterm_parameters
 
Parameterm_model_selection_parameters
 
- Static Protected Member Functions inherited from CKernel
template<class T >
static void * get_kernel_matrix_helper (void *p)
 

Constructor & Destructor Documentation

default constructor

Definition at line 21 of file HistogramWordStringKernel.cpp.

CHistogramWordStringKernel ( int32_t  size,
CPluginEstimate pie 
)

constructor

Parameters
sizecache size
pieplugin estimate

Definition at line 27 of file HistogramWordStringKernel.cpp.

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

constructor

Parameters
lfeatures of left-hand side
rfeatures of right-hand side
pieplugin estimate

Definition at line 36 of file HistogramWordStringKernel.cpp.

Definition at line 46 of file HistogramWordStringKernel.cpp.

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 
)
protectedvirtual

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_aindex a
idx_bindex 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
positionposition
symbolsymbol
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 ( ) 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
lfeatures of left-hand side
rfeatures of right-hand side
Returns
if initializing was successful

Reimplemented from CStringKernel< uint16_t >.

Definition at line 63 of file HistogramWordStringKernel.cpp.

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.


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

SHOGUN Machine Learning Toolbox - Documentation