SHOGUN
v1.1.0
|
The FixedDegree String kernel takes as input two strings of same size and counts the number of matches of length d.
Note that additional normalisation is applied, i.e.
Definition at line 31 of file FixedDegreeStringKernel.h.
Public Member Functions | |
CFixedDegreeStringKernel () | |
CFixedDegreeStringKernel (int32_t size, int32_t degree) | |
CFixedDegreeStringKernel (CStringFeatures< char > *l, CStringFeatures< char > *r, int32_t degree) | |
virtual | ~CFixedDegreeStringKernel () |
virtual bool | init (CFeatures *l, CFeatures *r) |
virtual void | cleanup () |
virtual EKernelType | get_kernel_type () |
virtual const char * | get_name () const |
![]() | |
CStringKernel (int32_t cachesize=0) | |
CStringKernel (CFeatures *l, CFeatures *r) | |
virtual EFeatureClass | get_feature_class () |
virtual EFeatureType | get_feature_type () |
![]() | |
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_t > | get_kernel_matrix () |
virtual SGVector< float64_t > | get_kernel_col (int32_t j) |
virtual SGVector< float64_t > | get_kernel_row (int32_t i) |
template<class T > | |
SGMatrix< T > | get_kernel_matrix () |
virtual bool | set_normalizer (CKernelNormalizer *normalizer) |
virtual CKernelNormalizer * | get_normalizer () |
virtual bool | init_normalizer () |
void | load (CFile *loader) |
void | save (CFile *writer) |
CFeatures * | get_lhs () |
CFeatures * | get_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 | |
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_t * | get_subkernel_weights (int32_t &num_weights) |
virtual void | set_subkernel_weights (SGVector< float64_t > weights) |
![]() | |
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) |
Protected Member Functions | |
float64_t | compute (int32_t idx_a, int32_t idx_b) |
Protected Attributes | |
int32_t | degree |
Additional Inherited Members | |
![]() | |
SGIO * | io |
Parallel * | parallel |
Version * | version |
Parameter * | m_parameters |
Parameter * | m_model_selection_parameters |
![]() | |
template<class T > | |
static void * | get_kernel_matrix_helper (void *p) |
default constructor
Definition at line 27 of file FixedDegreeStringKernel.cpp.
CFixedDegreeStringKernel | ( | int32_t | size, |
int32_t | degree | ||
) |
constructor
size | cache size |
degree | the degree |
Definition at line 33 of file FixedDegreeStringKernel.cpp.
CFixedDegreeStringKernel | ( | CStringFeatures< char > * | l, |
CStringFeatures< char > * | r, | ||
int32_t | degree | ||
) |
constructor
l | features of left-hand side |
r | features of right-hand side |
degree | the degree |
Definition at line 39 of file FixedDegreeStringKernel.cpp.
|
virtual |
Definition at line 47 of file FixedDegreeStringKernel.cpp.
|
virtual |
clean up kernel
Reimplemented from CKernel.
Definition at line 58 of file FixedDegreeStringKernel.cpp.
|
protectedvirtual |
compute kernel function for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object
idx_a | index a |
idx_b | index b |
Implements CKernel.
Definition at line 63 of file FixedDegreeStringKernel.cpp.
|
virtual |
return what type of kernel we are
Implements CStringKernel< char >.
Definition at line 73 of file FixedDegreeStringKernel.h.
|
virtual |
return the kernel's name
Reimplemented from CStringKernel< char >.
Definition at line 82 of file FixedDegreeStringKernel.h.
initialize kernel
l | features of left-hand side |
r | features of right-hand side |
Reimplemented from CStringKernel< char >.
Definition at line 52 of file FixedDegreeStringKernel.cpp.
|
protected |
the degree
Definition at line 95 of file FixedDegreeStringKernel.h.