SHOGUN v0.9.0
|
The MultitaskKernel allows Multitask Learning via a modified kernel function.
This effectively normalizes the vectors in feature space to norm 1 (see CSqrtDiagKernelNormalizer)
在文件MultitaskKernelNormalizer.h第31行定义。
公有成员 | |
CMultitaskKernelNormalizer () | |
CMultitaskKernelNormalizer (std::vector< int32_t > task_vector) | |
virtual | ~CMultitaskKernelNormalizer () |
virtual bool | init (CKernel *k) |
int32_t | get_num_unique_tasks (std::vector< int32_t > vec) |
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) |
std::vector< int32_t > | get_task_vector_lhs () const |
void | set_task_vector_lhs (std::vector< int32_t > vec) |
std::vector< int32_t > | get_task_vector_rhs () const |
void | set_task_vector_rhs (std::vector< int32_t > vec) |
void | set_task_vector (std::vector< int32_t > vec) |
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) |
virtual const char * | get_name () const |
保护属性 | |
std::vector< float64_t > | similarity_matrix |
int32_t | num_tasks |
std::vector< int32_t > | task_vector_lhs |
std::vector< int32_t > | task_vector_rhs |
float64_t | scale |
default constructor
在文件MultitaskKernelNormalizer.h第38行定义。
CMultitaskKernelNormalizer | ( | std::vector< int32_t > | task_vector | ) |
default constructor
task_vector | task vector with containing task_id for each example |
在文件MultitaskKernelNormalizer.h第46行定义。
virtual ~CMultitaskKernelNormalizer | ( | ) | [virtual] |
default destructor
在文件MultitaskKernelNormalizer.h第61行定义。
virtual const char* get_name | ( | void | ) | const [virtual] |
int32_t get_num_unique_tasks | ( | std::vector< int32_t > | vec | ) |
helper routine
vec | vector with containing task_id for each example |
在文件MultitaskKernelNormalizer.h第103行定义。
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 |
在文件MultitaskKernelNormalizer.h第201行定义。
std::vector<int32_t> get_task_vector_lhs | ( | ) | const |
在文件MultitaskKernelNormalizer.h第166行定义。
std::vector<int32_t> get_task_vector_rhs | ( | ) | const |
在文件MultitaskKernelNormalizer.h第178行定义。
virtual bool init | ( | CKernel * | k | ) | [virtual] |
normalize the kernel value
value | kernel value |
idx_lhs | index of left hand side vector |
idx_rhs | index of right hand side vector |
在文件MultitaskKernelNormalizer.h第123行定义。
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 |
在文件MultitaskKernelNormalizer.h第147行定义。
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 |
在文件MultitaskKernelNormalizer.h第157行定义。
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 |
在文件MultitaskKernelNormalizer.h第216行定义。
void set_task_vector | ( | std::vector< int32_t > | vec | ) |
vec | task vector with containing task_id for each example |
在文件MultitaskKernelNormalizer.h第190行定义。
void set_task_vector_lhs | ( | std::vector< int32_t > | vec | ) |
vec | task vector with containing task_id for each example |
在文件MultitaskKernelNormalizer.h第172行定义。
void set_task_vector_rhs | ( | std::vector< int32_t > | vec | ) |
vec | task vector with containing task_id for each example |
在文件MultitaskKernelNormalizer.h第184行定义。
int32_t num_tasks [protected] |
number of tasks
在文件MultitaskKernelNormalizer.h第239行定义。
scale constant obtained from k(0,0)
在文件MultitaskKernelNormalizer.h第248行定义。
std::vector<float64_t> similarity_matrix [protected] |
MxM matrix encoding similarity between tasks
在文件MultitaskKernelNormalizer.h第236行定义。
std::vector<int32_t> task_vector_lhs [protected] |
task vector indicating to which task each example on the left hand side belongs
在文件MultitaskKernelNormalizer.h第242行定义。
std::vector<int32_t> task_vector_rhs [protected] |
task vector indicating to which task each example on the right hand side belongs
在文件MultitaskKernelNormalizer.h第245行定义。