SHOGUN
v1.1.0
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The MultitaskKernel allows learning a piece-wise linear function (PLIF) via MKL.
Definition at line 26 of file MultitaskKernelPlifNormalizer.h.
Public Member Functions | |
CMultitaskKernelPlifNormalizer () | |
CMultitaskKernelPlifNormalizer (std::vector< float64_t > support_, std::vector< int32_t > task_vector) | |
virtual float64_t | normalize (float64_t value, int32_t idx_lhs, int32_t idx_rhs) |
int32_t | get_num_unique_tasks (std::vector< int32_t > vec) |
virtual | ~CMultitaskKernelPlifNormalizer () |
void | update_cache () |
float64_t | compute_task_similarity (int32_t task_a, int32_t task_b) |
virtual std::vector< int32_t > | get_task_vector_lhs () const |
virtual void | set_task_vector_lhs (std::vector< int32_t > vec) |
virtual std::vector< int32_t > | get_task_vector_rhs () const |
virtual void | set_task_vector_rhs (std::vector< int32_t > vec) |
virtual void | set_task_vector (std::vector< int32_t > vec) |
float64_t | get_task_distance (int32_t task_lhs, int32_t task_rhs) |
void | set_task_distance (int32_t task_lhs, int32_t task_rhs, float64_t distance) |
float64_t | get_task_similarity (int32_t task_lhs, int32_t task_rhs) |
void | set_task_similarity (int32_t task_lhs, int32_t task_rhs, float64_t similarity) |
float64_t | get_beta (int32_t idx) |
void | set_beta (int32_t idx, float64_t weight) |
int32_t | get_num_betas () |
virtual const char * | get_name () const |
CMultitaskKernelPlifNormalizer * | KernelNormalizerToMultitaskKernelPlifNormalizer (CKernelNormalizer *n) |
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CMultitaskKernelMklNormalizer () | |
virtual bool | init (CKernel *k) |
virtual float64_t | normalize_lhs (float64_t value, int32_t idx_lhs) |
virtual float64_t | normalize_rhs (float64_t value, int32_t idx_rhs) |
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CKernelNormalizer () | |
virtual | ~CKernelNormalizer () |
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 Member Functions | |
virtual void | register_params () |
Protected Attributes | |
int32_t | num_tasks |
int32_t | num_tasksqr |
std::vector< int32_t > | task_vector_lhs |
std::vector< int32_t > | task_vector_rhs |
std::vector< float64_t > | distance_matrix |
std::vector< float64_t > | similarity_matrix |
int32_t | num_betas |
std::vector< float64_t > | betas |
std::vector< float64_t > | support |
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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 |
default constructor
Definition at line 31 of file MultitaskKernelPlifNormalizer.h.
CMultitaskKernelPlifNormalizer | ( | std::vector< float64_t > | support_, |
std::vector< int32_t > | task_vector | ||
) |
constructor
Definition at line 40 of file MultitaskKernelPlifNormalizer.h.
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default destructor
Definition at line 117 of file MultitaskKernelPlifNormalizer.h.
float64_t compute_task_similarity | ( | int32_t | task_a, |
int32_t | task_b | ||
) |
derive similarity from distance with plif
Definition at line 142 of file MultitaskKernelPlifNormalizer.h.
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idx | index of MKL weight to get |
Implements CMultitaskKernelMklNormalizer.
Definition at line 282 of file MultitaskKernelPlifNormalizer.h.
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Reimplemented from CMultitaskKernelMklNormalizer.
Definition at line 314 of file MultitaskKernelPlifNormalizer.h.
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Implements CMultitaskKernelMklNormalizer.
Definition at line 305 of file MultitaskKernelPlifNormalizer.h.
int32_t get_num_unique_tasks | ( | std::vector< int32_t > | vec | ) |
helper routine
vec | vector with containing task_id for each example |
Definition at line 100 of file MultitaskKernelPlifNormalizer.h.
float64_t get_task_distance | ( | int32_t | task_lhs, |
int32_t | task_rhs | ||
) |
task_lhs | task_id on left hand side |
task_rhs | task_id on right hand side |
Definition at line 222 of file MultitaskKernelPlifNormalizer.h.
float64_t get_task_similarity | ( | int32_t | task_lhs, |
int32_t | task_rhs | ||
) |
task_lhs | task_id on left hand side |
task_rhs | task_id on right hand side |
Definition at line 253 of file MultitaskKernelPlifNormalizer.h.
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Definition at line 187 of file MultitaskKernelPlifNormalizer.h.
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Definition at line 199 of file MultitaskKernelPlifNormalizer.h.
CMultitaskKernelPlifNormalizer* KernelNormalizerToMultitaskKernelPlifNormalizer | ( | CKernelNormalizer * | n | ) |
casts kernel normalizer to multitask kernel plif normalizer
n | kernel normalizer to cast |
Definition at line 322 of file MultitaskKernelPlifNormalizer.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 75 of file MultitaskKernelPlifNormalizer.h.
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register the parameters
Reimplemented from CKernelNormalizer.
Definition at line 330 of file MultitaskKernelPlifNormalizer.h.
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idx | index of MKL weight to set |
weight | MKL weight to set |
Implements CMultitaskKernelMklNormalizer.
Definition at line 293 of file MultitaskKernelPlifNormalizer.h.
void set_task_distance | ( | int32_t | task_lhs, |
int32_t | task_rhs, | ||
float64_t | distance | ||
) |
task_lhs | task_id on left hand side |
task_rhs | task_id on right hand side |
distance | distance between tasks |
Definition at line 237 of file MultitaskKernelPlifNormalizer.h.
void set_task_similarity | ( | int32_t | task_lhs, |
int32_t | task_rhs, | ||
float64_t | similarity | ||
) |
task_lhs | task_id on left hand side |
task_rhs | task_id on right hand side |
similarity | similarity between tasks |
Definition at line 268 of file MultitaskKernelPlifNormalizer.h.
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vec | task vector with containing task_id for each example |
Definition at line 211 of file MultitaskKernelPlifNormalizer.h.
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vec | task vector with containing task_id for each example |
Definition at line 193 of file MultitaskKernelPlifNormalizer.h.
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vec | task vector with containing task_id for each example |
Definition at line 205 of file MultitaskKernelPlifNormalizer.h.
void update_cache | ( | ) |
update cache
Definition at line 123 of file MultitaskKernelPlifNormalizer.h.
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weights
Definition at line 361 of file MultitaskKernelPlifNormalizer.h.
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MxM matrix encoding distance between tasks
Definition at line 352 of file MultitaskKernelPlifNormalizer.h.
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number of weights
Definition at line 358 of file MultitaskKernelPlifNormalizer.h.
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number of tasks
Definition at line 341 of file MultitaskKernelPlifNormalizer.h.
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square of num_tasks – for registration purpose
Definition at line 343 of file MultitaskKernelPlifNormalizer.h.
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MxM matrix encoding similarity between tasks
Definition at line 355 of file MultitaskKernelPlifNormalizer.h.
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support points
Definition at line 364 of file MultitaskKernelPlifNormalizer.h.
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task vector indicating to which task each example on the left hand side belongs
Definition at line 346 of file MultitaskKernelPlifNormalizer.h.
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task vector indicating to which task each example on the right hand side belongs
Definition at line 349 of file MultitaskKernelPlifNormalizer.h.