SHOGUN
v1.1.0
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The MultitaskKernel allows Multitask Learning via a modified kernel function based on taxonomy.
Definition at line 366 of file MultitaskKernelTreeNormalizer.h.
Public Member Functions | |
CMultitaskKernelTreeNormalizer () | |
CMultitaskKernelTreeNormalizer (std::vector< std::string > task_lhs, std::vector< std::string > task_rhs, CTaxonomy tax) | |
virtual | ~CMultitaskKernelTreeNormalizer () |
void | update_cache () |
virtual float64_t | normalize (float64_t value, int32_t idx_lhs, int32_t idx_rhs) |
virtual float64_t | normalize_lhs (float64_t value, int32_t idx_lhs) |
virtual float64_t | normalize_rhs (float64_t value, int32_t idx_rhs) |
void | set_task_vector_lhs (std::vector< std::string > vec) |
void | set_task_vector_rhs (std::vector< std::string > vec) |
void | set_task_vector (std::vector< std::string > vec) |
int32_t | get_num_betas () |
float64_t | get_beta (int32_t idx) |
void | set_beta (int32_t idx, float64_t weight) |
float64_t | get_node_similarity (int32_t node_lhs, int32_t node_rhs) |
void | set_node_similarity (int32_t node_lhs, int32_t node_rhs, float64_t similarity) |
virtual const char * | get_name () const |
CMultitaskKernelTreeNormalizer * | KernelNormalizerToMultitaskKernelTreeNormalizer (CKernelNormalizer *n) |
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CMultitaskKernelMklNormalizer () | |
virtual bool | init (CKernel *k) |
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CKernelNormalizer () | |
virtual | ~CKernelNormalizer () |
virtual void | register_params () |
ENormalizerType | get_normalizer_type () |
void | set_normalizer_type (ENormalizerType type) |
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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 Attributes | |
CTaxonomy | taxonomy |
int32_t | num_nodes |
std::vector< int32_t > | task_vector_lhs |
std::vector< int32_t > | task_vector_rhs |
std::vector< float64_t > | dependency_matrix |
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float64_t | scale |
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ENormalizerType | m_type |
Additional Inherited Members | |
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SGIO * | io |
Parallel * | parallel |
Version * | version |
Parameter * | m_parameters |
Parameter * | m_model_selection_parameters |
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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) |
default constructor
Definition at line 375 of file MultitaskKernelTreeNormalizer.h.
CMultitaskKernelTreeNormalizer | ( | std::vector< std::string > | task_lhs, |
std::vector< std::string > | task_rhs, | ||
CTaxonomy | tax | ||
) |
default constructor
task_lhs | task vector with containing task_id for each example for left hand side |
task_rhs | task vector with containing task_id for each example for right hand side |
tax | taxonomy |
Definition at line 385 of file MultitaskKernelTreeNormalizer.h.
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default destructor
Definition at line 403 of file MultitaskKernelTreeNormalizer.h.
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idx | id of weight |
Implements CMultitaskKernelMklNormalizer.
Definition at line 518 of file MultitaskKernelTreeNormalizer.h.
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Reimplemented from CMultitaskKernelMklNormalizer.
Definition at line 570 of file MultitaskKernelTreeNormalizer.h.
float64_t get_node_similarity | ( | int32_t | node_lhs, |
int32_t | node_rhs | ||
) |
node_lhs | node_id on left hand side |
node_rhs | node_id on right hand side |
Definition at line 543 of file MultitaskKernelTreeNormalizer.h.
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Implements CMultitaskKernelMklNormalizer.
Definition at line 508 of file MultitaskKernelTreeNormalizer.h.
CMultitaskKernelTreeNormalizer* KernelNormalizerToMultitaskKernelTreeNormalizer | ( | CKernelNormalizer * | n | ) |
casts kernel normalizer to multitask kernel tree normalizer
n | kernel normalizer to cast |
Definition at line 578 of file MultitaskKernelTreeNormalizer.h.
normalize the kernel value
value | kernel value |
idx_lhs | index of left hand side vector |
idx_rhs | index of right hand side vector |
Implements CKernelNormalizer.
Definition at line 433 of file MultitaskKernelTreeNormalizer.h.
normalize only the left hand side vector
value | value of a component of the left hand side feature vector |
idx_lhs | index of left hand side vector |
Reimplemented from CMultitaskKernelMklNormalizer.
Definition at line 454 of file MultitaskKernelTreeNormalizer.h.
normalize only the right hand side vector
value | value of a component of the right hand side feature vector |
idx_rhs | index of right hand side vector |
Reimplemented from CMultitaskKernelMklNormalizer.
Definition at line 464 of file MultitaskKernelTreeNormalizer.h.
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idx | id of weight |
weight | weight of node with given id |
Implements CMultitaskKernelMklNormalizer.
Definition at line 528 of file MultitaskKernelTreeNormalizer.h.
void set_node_similarity | ( | int32_t | node_lhs, |
int32_t | node_rhs, | ||
float64_t | similarity | ||
) |
node_lhs | node_id on left hand side |
node_rhs | node_id on right hand side |
similarity | similarity between nodes |
Definition at line 558 of file MultitaskKernelTreeNormalizer.h.
void set_task_vector | ( | std::vector< std::string > | vec | ) |
vec | task vector with containing task_id for each example |
Definition at line 501 of file MultitaskKernelTreeNormalizer.h.
void set_task_vector_lhs | ( | std::vector< std::string > | vec | ) |
vec | task vector with containing task_id for each example |
Definition at line 472 of file MultitaskKernelTreeNormalizer.h.
void set_task_vector_rhs | ( | std::vector< std::string > | vec | ) |
vec | task vector with containing task_id for each example |
Definition at line 488 of file MultitaskKernelTreeNormalizer.h.
void update_cache | ( | ) |
update cache
Definition at line 409 of file MultitaskKernelTreeNormalizer.h.
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MxM matrix encoding similarity between tasks
Definition at line 597 of file MultitaskKernelTreeNormalizer.h.
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number of tasks
Definition at line 588 of file MultitaskKernelTreeNormalizer.h.
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task vector indicating to which task each example on the left hand side belongs
Definition at line 591 of file MultitaskKernelTreeNormalizer.h.
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task vector indicating to which task each example on the right hand side belongs
Definition at line 594 of file MultitaskKernelTreeNormalizer.h.
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taxonomy
Definition at line 585 of file MultitaskKernelTreeNormalizer.h.