SHOGUN  4.1.0
 全部  命名空间 文件 函数 变量 类型定义 枚举 枚举值 友元 宏定义  
所有成员列表 | Public 成员函数 | Public 属性 | Protected 成员函数 | Protected 属性
CMeanShiftDataGenerator类 参考

详细描述

Class to generate dense features data via the streaming features interface. The core are pairs of methods to a) set the data model and parameters, and b) to generate a data vector using these model parameters Both methods are automatically called when calling get_next_example() This allows to treat generated data as a stream via the standard streaming features interface.

Streaming based data generator that samples from a distribution that is a multivariate isotropic Gaussian in a certain dimensions, where one selected dimension has its mean shifted by some value.

在文件 MeanShiftDataGenerator.h34 行定义.

类 CMeanShiftDataGenerator 继承关系图:
Inheritance graph
[图例]

Public 成员函数

 CMeanShiftDataGenerator ()
 
 CMeanShiftDataGenerator (float64_t mean_shift, index_t dimension, index_t m_dimension_shift=0)
 
virtual ~CMeanShiftDataGenerator ()
 
virtual const char * get_name () const
 
void set_mean_shift_model (float64_t mean_shift, index_t dimension, index_t m_dimension_shift=0)
 
bool get_next_example ()
 
void release_example ()
 
virtual void set_vector_reader ()
 
virtual void set_vector_and_label_reader ()
 
virtual void start_parser ()
 
virtual void end_parser ()
 
virtual void reset_stream ()
 
SGVector< float64_tget_vector ()
 
virtual float64_t get_label ()
 
virtual int32_t get_dim_feature_space () const
 
virtual float32_t dot (SGVector< float64_t > vec)
 
virtual float32_t dot (CStreamingDotFeatures *df)
 
virtual float32_t dense_dot (const float32_t *vec2, int32_t vec2_len)
 
virtual float64_t dense_dot (const float64_t *vec2, int32_t vec2_len)
 
virtual void add_to_dense_vec (float32_t alpha, float32_t *vec2, int32_t vec2_len, bool abs_val=false)
 
virtual void add_to_dense_vec (float64_t alpha, float64_t *vec2, int32_t vec2_len, bool abs_val=false)
 
virtual int32_t get_nnz_features_for_vector ()
 
int32_t get_num_features ()
 
virtual EFeatureType get_feature_type () const
 
virtual EFeatureClass get_feature_class () const
 
virtual CFeaturesduplicate () const
 
virtual int32_t get_num_vectors () const
 
virtual CFeaturesget_streamed_features (index_t num_elements)
 
virtual void dense_dot_range (float32_t *output, float32_t *alphas, float32_t *vec, int32_t dim, float32_t b, int32_t num_vec=0)
 
virtual void expand_if_required (float32_t *&vec, int32_t &len)
 
virtual void expand_if_required (float64_t *&vec, int32_t &len)
 
virtual void * get_feature_iterator ()
 
virtual bool get_next_feature (int32_t &index, float32_t &value, void *iterator)
 
virtual void free_feature_iterator (void *iterator)
 
void set_read_functions ()
 
virtual bool get_has_labels ()
 
virtual bool is_seekable ()
 
virtual void add_preprocessor (CPreprocessor *p)
 
virtual void del_preprocessor (int32_t num)
 
CPreprocessorget_preprocessor (int32_t num) const
 
void set_preprocessed (int32_t num)
 
bool is_preprocessed (int32_t num) const
 
int32_t get_num_preprocessed () const
 
int32_t get_num_preprocessors () const
 
void clean_preprocessors ()
 
void list_preprocessors ()
 
int32_t get_cache_size () const
 
virtual bool reshape (int32_t num_features, int32_t num_vectors)
 
void list_feature_obj () const
 
virtual void load (CFile *loader)
 
virtual void save (CFile *writer)
 
bool check_feature_compatibility (CFeatures *f) const
 
bool has_property (EFeatureProperty p) const
 
void set_property (EFeatureProperty p)
 
void unset_property (EFeatureProperty p)
 
virtual CFeaturescreate_merged_copy (CList *others)
 
virtual CFeaturescreate_merged_copy (CFeatures *other)
 
virtual void add_subset (SGVector< index_t > subset)
 
virtual void add_subset_in_place (SGVector< index_t > subset)
 
virtual void remove_subset ()
 
virtual void remove_all_subsets ()
 
virtual CSubsetStackget_subset_stack ()
 
virtual void subset_changed_post ()
 
virtual CFeaturescopy_subset (SGVector< index_t > indices)
 
virtual CFeaturescopy_dimension_subset (SGVector< index_t > dims)
 
virtual bool support_compatible_class () const
 
virtual bool get_feature_class_compatibility (EFeatureClass rhs) const
 
virtual CSGObjectshallow_copy () const
 
virtual CSGObjectdeep_copy () const
 
virtual bool is_generic (EPrimitiveType *generic) const
 
template<class T >
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 ()
 
template<>
void set_generic ()
 
template<>
void set_generic ()
 
template<>
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 ()
 
SGStringList< char > get_modelsel_names ()
 
void print_modsel_params ()
 
char * get_modsel_param_descr (const char *param_name)
 
index_t get_modsel_param_index (const char *param_name)
 
void build_gradient_parameter_dictionary (CMap< TParameter *, CSGObject * > *dict)
 
virtual void update_parameter_hash ()
 
virtual bool parameter_hash_changed ()
 
virtual bool equals (CSGObject *other, float64_t accuracy=0.0, bool tolerant=false)
 
virtual CSGObjectclone ()
 

Public 属性

SGIOio
 
Parallelparallel
 
Versionversion
 
Parameterm_parameters
 
Parameterm_model_selection_parameters
 
Parameterm_gradient_parameters
 
uint32_t m_hash
 

Protected 成员函数

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)
 

Protected 属性

float64_t m_mean_shift
 
index_t m_dimension
 
index_t m_dimension_shift
 
float32_t combined_weight
 feature weighting in combined dot features 更多...
 
CInputParser< float64_tparser
 The parser object, which reads from input and returns parsed example objects. 更多...
 
SGVector< float64_tcurrent_vector
 The current example's feature vector as an SGVector<T> 更多...
 
float64_t current_label
 The current example's label. 更多...
 
bool has_labels
 Whether examples are labelled or not. 更多...
 
CStreamingFileworking_file
 The StreamingFile object to read from. 更多...
 
bool seekable
 Whether the stream is seekable. 更多...
 
CSubsetStackm_subset_stack
 

构造及析构函数说明

Constructor

在文件 MeanShiftDataGenerator.cpp15 行定义.

CMeanShiftDataGenerator ( float64_t  mean_shift,
index_t  dimension,
index_t  m_dimension_shift = 0 
)

Constructor

参数
mean_shiftSelected dimension is shifted by this amount
dimensionNumber of dimensions
m_dimension_shiftDimension that gets shifted

在文件 MeanShiftDataGenerator.cpp21 行定义.

Destructor

在文件 MeanShiftDataGenerator.cpp29 行定义.

成员函数说明

void add_preprocessor ( CPreprocessor p)
virtualinherited

add preprocessor

参数
ppreprocessor to set

在文件 Features.cpp85 行定义.

void add_subset ( SGVector< index_t subset)
virtualinherited

Adds a subset of indices on top of the current subsets (possibly subset of subset). Every call causes a new active index vector to be stored. Added subsets can be removed one-by-one. If this is not needed, add_subset_in_place() should be used (does not store intermediate index vectors)

Calls subset_changed_post() afterwards

参数
subsetsubset of indices to add

CCombinedFeatures 重载.

在文件 Features.cpp310 行定义.

void add_subset_in_place ( SGVector< index_t subset)
virtualinherited

Sets/changes latest added subset. This allows to add multiple subsets with in-place memory requirements. They cannot be removed one-by-one afterwards, only the latest active can. If this is needed, use add_subset(). If no subset is active, this just adds.

Calls subset_changed_post() afterwards

参数
subsetsubset of indices to replace the latest one with.

在文件 Features.cpp316 行定义.

virtual void add_to_dense_vec ( float32_t  alpha,
float32_t vec2,
int32_t  vec2_len,
bool  abs_val = false 
)
virtualinherited

Add alpha*current_vector to another dense vector. Takes the absolute value of current_vector if specified.

参数
alphaalpha
vec2vector to add to
vec2_lenlength of vector
abs_valtrue if abs of current_vector should be taken

实现了 CStreamingDotFeatures.

virtual void add_to_dense_vec ( float64_t  alpha,
float64_t vec2,
int32_t  vec2_len,
bool  abs_val = false 
)
virtualinherited

Add alpha*current_vector to another float64_t type dense vector. Takes the absolute value of current_vector if specified.

参数
alphaalpha
vec2vector to add to
vec2_lenlength of vector
abs_valtrue if abs of current_vector should be taken
void build_gradient_parameter_dictionary ( CMap< TParameter *, CSGObject * > *  dict)
inherited

Builds a dictionary of all parameters in SGObject as well of those of SGObjects that are parameters of this object. Dictionary maps parameters to the objects that own them.

参数
dictdictionary of parameters to be built.

在文件 SGObject.cpp597 行定义.

bool check_feature_compatibility ( CFeatures f) const
inherited

check feature compatibility

参数
ffeatures to check for compatibility
返回
if features are compatible

在文件 Features.cpp283 行定义.

void clean_preprocessors ( )
inherited

clears all preprocs

在文件 Features.cpp116 行定义.

CSGObject * clone ( )
virtualinherited

Creates a clone of the current object. This is done via recursively traversing all parameters, which corresponds to a deep copy. Calling equals on the cloned object always returns true although none of the memory of both objects overlaps.

返回
an identical copy of the given object, which is disjoint in memory. NULL if the clone fails. Note that the returned object is SG_REF'ed

在文件 SGObject.cpp714 行定义.

CFeatures * copy_dimension_subset ( SGVector< index_t dims)
virtualinherited

Creates a new CFeatures instance containing only the dimensions of the feature vector which are specified by the provided indices.

This method is needed for feature selection tasks NOT IMPLEMENTED!

参数
dimsindices of feature dimensions to copy
返回
new CFeatures instance with copies of specified features

CDenseFeatures< ST >, CDenseFeatures< uint32_t >, CDenseFeatures< float64_t >, CDenseFeatures< T > , 以及 CDenseFeatures< uint16_t > 重载.

在文件 Features.cpp348 行定义.

CFeatures * copy_subset ( SGVector< index_t indices)
virtualinherited

Creates a new CFeatures instance containing copies of the elements which are specified by the provided indices.

This method is needed for a KernelMachine to store its model data. NOT IMPLEMENTED!

参数
indicesindices of feature elements to copy
返回
new CFeatures instance with copies of feature data

CStringFeatures< ST >, CStringFeatures< T >, CStringFeatures< uint8_t >, CStringFeatures< char >, CStringFeatures< uint16_t >, CSparseFeatures< ST >, CSparseFeatures< float64_t >, CSparseFeatures< T >, CDenseFeatures< ST >, CDenseFeatures< uint32_t >, CDenseFeatures< float64_t >, CDenseFeatures< T >, CDenseFeatures< uint16_t > , 以及 CCombinedFeatures 重载.

在文件 Features.cpp340 行定义.

virtual CFeatures* create_merged_copy ( CList others)
virtualinherited

Takes a list of feature instances and returns a new instance being a concatenation of a copy of this instace's data and the given instancess data. Note that the feature types have to be equal.

NOT IMPLEMENTED!

参数
otherslist of feature objects to append
返回
new feature object which contains copy of data of this instance and given ones

CDenseFeatures< ST >, CDenseFeatures< uint32_t >, CDenseFeatures< float64_t >, CDenseFeatures< T > , 以及 CDenseFeatures< uint16_t > 重载.

在文件 Features.h235 行定义.

virtual CFeatures* create_merged_copy ( CFeatures other)
virtualinherited

Convenience method for method with same name and list as parameter.

NOT IMPLEMENTED!

参数
otherfeature object to append
返回
new feature object which contains copy of data of this instance and of given one

CDenseFeatures< ST >, CDenseFeatures< uint32_t >, CDenseFeatures< float64_t >, CDenseFeatures< T >, CDenseFeatures< uint16_t > , 以及 CCombinedFeatures 重载.

在文件 Features.h249 行定义.

CSGObject * deep_copy ( ) const
virtualinherited

A deep copy. All the instance variables will also be copied.

在文件 SGObject.cpp198 行定义.

void del_preprocessor ( int32_t  num)
virtualinherited

delete preprocessor from list

参数
numindex of preprocessor in list

在文件 Features.cpp122 行定义.

virtual float32_t dense_dot ( const float32_t vec2,
int32_t  vec2_len 
)
virtualinherited

Dot product with another dense vector.

参数
vec2The dense vector with which to take the dot product.
vec2_lenlength of vector
返回
Dot product as a float32_t.

实现了 CStreamingDotFeatures.

virtual float64_t dense_dot ( const float64_t vec2,
int32_t  vec2_len 
)
virtualinherited

Dot product with another float64_t type dense vector.

参数
vec2The dense vector with which to take the dot product.
vec2_lenlength of vector
返回
Dot product as a float64_t.
void dense_dot_range ( float32_t output,
float32_t alphas,
float32_t vec,
int32_t  dim,
float32_t  b,
int32_t  num_vec = 0 
)
virtualinherited

Compute the dot product for all vectors. This function makes use of dense_dot alphas[i] * sparse[i]^T * w + b

参数
outputresult for the given vector range
alphasscalars to multiply with, may be NULL
vecdense vector to compute dot product with
dimlength of the dense vector
bbias
num_vecnumber of vectors to operate on (indices 0 to num_vec-1)

If num_vec == 0 or left to its default value, the function attempts to return dot product for all vectors. However, the given output vector must be preallocated!

note that the result will be written to output[0...(num_vec-1)] except when num_vec = 0

在文件 StreamingDotFeatures.cpp30 行定义.

virtual float32_t dot ( SGVector< float64_t vec)
virtualinherited

Dot product using the current vector and another vector, passed as arg.

参数
vecThe vector with which to calculate the dot product.
返回
Dot product as a float32_t
virtual float32_t dot ( CStreamingDotFeatures df)
virtualinherited

Dot product taken with another StreamingDotFeatures object.

Currently only works if it is a CStreamingDenseFeatures object. It takes the dot product of the current_vectors of both objects.

参数
dfCStreamingDotFeatures object.
返回
Dot product.

实现了 CStreamingDotFeatures.

virtual CFeatures* duplicate ( ) const
virtualinherited

Duplicate the object.

返回
a duplicate object as CFeatures*

实现了 CFeatures.

virtual void end_parser ( )
virtualinherited

Ends the parsing thread.

Waits for the thread to join.

实现了 CStreamingFeatures.

bool equals ( CSGObject other,
float64_t  accuracy = 0.0,
bool  tolerant = false 
)
virtualinherited

Recursively compares the current SGObject to another one. Compares all registered numerical parameters, recursion upon complex (SGObject) parameters. Does not compare pointers!

May be overwritten but please do with care! Should not be necessary in most cases.

参数
otherobject to compare with
accuracyaccuracy to use for comparison (optional)
tolerantallows linient check on float equality (within accuracy)
返回
true if all parameters were equal, false if not

在文件 SGObject.cpp618 行定义.

void expand_if_required ( float32_t *&  vec,
int32_t &  len 
)
virtualinherited

Expand the vector passed so that it its length is equal to the dimensionality of the features. The previous values are kept intact through realloc, and the new ones are set to zero.

参数
vecfloat32_t* vector
lenlength of the vector

CStreamingVwFeatures 重载.

在文件 StreamingDotFeatures.cpp53 行定义.

void expand_if_required ( float64_t *&  vec,
int32_t &  len 
)
virtualinherited

Expand the vector passed so that it its length is equal to the dimensionality of the features. The previous values are kept intact through realloc, and the new ones are set to zero.

参数
vecfloat64_t* vector
lenlength of the vector

CStreamingVwFeatures 重载.

在文件 StreamingDotFeatures.cpp64 行定义.

void free_feature_iterator ( void *  iterator)
virtualinherited

clean up iterator call this function with the iterator returned by get_first_feature

参数
iteratoras returned by get_first_feature

在文件 StreamingDotFeatures.cpp93 行定义.

int32_t get_cache_size ( ) const
inherited

get cache size

返回
cache size

在文件 Features.cpp160 行定义.

virtual int32_t get_dim_feature_space ( ) const
virtualinherited

obtain the dimensionality of the feature space

(not mix this up with the dimensionality of the input space, usually obtained via get_num_features())

返回
dimensionality

实现了 CStreamingDotFeatures.

virtual EFeatureClass get_feature_class ( ) const
virtualinherited

Return the feature class

返回
C_STREAMING_DENSE

实现了 CFeatures.

bool get_feature_class_compatibility ( EFeatureClass  rhs) const
virtualinherited

Given a class in right hand side, does this class support compatible computation?

for example, is this->dot(rhs_prt) valid, where rhs_prt is the class in right hand side

参数
rhsthe class in right hand side
返回
whether this class supports compatible computation

CDenseSubSamplesFeatures< ST > 重载.

在文件 Features.cpp355 行定义.

void * get_feature_iterator ( )
virtualinherited

iterate over the non-zero features

call get_feature_iterator first, followed by get_next_feature and free_feature_iterator to cleanup

返回
feature iterator (to be passed to get_next_feature)

在文件 StreamingDotFeatures.cpp75 行定义.

virtual EFeatureType get_feature_type ( ) const
virtualinherited

Return the feature type, depending on T.

返回
Feature type as EFeatureType

实现了 CFeatures.

SGIO * get_global_io ( )
inherited

get the io object

返回
io object

在文件 SGObject.cpp235 行定义.

Parallel * get_global_parallel ( )
inherited

get the parallel object

返回
parallel object

在文件 SGObject.cpp277 行定义.

Version * get_global_version ( )
inherited

get the version object

返回
version object

在文件 SGObject.cpp290 行定义.

bool get_has_labels ( )
virtualinherited

Return whether the examples are labelled or not.

返回
true if labelled, else false

在文件 StreamingFeatures.cpp35 行定义.

virtual float64_t get_label ( )
virtualinherited

Return the label of the current example as a float.

Examples must be labelled, otherwise an error occurs.

返回
The label as a float64_t.

实现了 CStreamingFeatures.

SGStringList< char > get_modelsel_names ( )
inherited
返回
vector of names of all parameters which are registered for model selection

在文件 SGObject.cpp498 行定义.

char * get_modsel_param_descr ( const char *  param_name)
inherited

Returns description of a given parameter string, if it exists. SG_ERROR otherwise

参数
param_namename of the parameter
返回
description of the parameter

在文件 SGObject.cpp522 行定义.

index_t get_modsel_param_index ( const char *  param_name)
inherited

Returns index of model selection parameter with provided index

参数
param_namename of model selection parameter
返回
index of model selection parameter with provided name, -1 if there is no such

在文件 SGObject.cpp535 行定义.

virtual const char* get_name ( ) const
virtual
返回
name of SG_SERIALIZABLE

重载 CStreamingDenseFeatures< float64_t > .

在文件 MeanShiftDataGenerator.h53 行定义.

bool get_next_example ( )
virtual

get the next example from stream

重载 CStreamingDenseFeatures< float64_t > .

在文件 MeanShiftDataGenerator.cpp60 行定义.

bool get_next_feature ( int32_t &  index,
float32_t value,
void *  iterator 
)
virtualinherited

iterate over the non-zero features

call this function with the iterator returned by get_first_feature and call free_feature_iterator to cleanup

参数
indexis returned by reference (-1 when not available)
valueis returned by reference
iteratoras returned by get_first_feature
返回
true if a new non-zero feature got returned

在文件 StreamingDotFeatures.cpp87 行定义.

virtual int32_t get_nnz_features_for_vector ( )
virtualinherited

get number of non-zero features in vector

返回
number of non-zero features in vector

重载 CStreamingDotFeatures .

int32_t get_num_features ( )
virtualinherited

Return the number of features in the current example.

返回
number of features as int

实现了 CStreamingFeatures.

int32_t get_num_preprocessed ( ) const
inherited

get the number of applied preprocs

返回
number of applied preprocessors

在文件 Features.cpp103 行定义.

int32_t get_num_preprocessors ( ) const
inherited

get number of preprocessors

返回
number of preprocessors

在文件 Features.cpp155 行定义.

virtual int32_t get_num_vectors ( ) const
virtualinherited

Return the number of vectors stored in this object.

返回
1 if current_vector exists, else 0.

实现了 CFeatures.

CPreprocessor * get_preprocessor ( int32_t  num) const
inherited

get specified preprocessor

参数
numindex of preprocessor in list

在文件 Features.cpp93 行定义.

virtual CFeatures* get_streamed_features ( index_t  num_elements)
virtualinherited

Returns a new CDebseFeatures instance which contains num_elements elements from the underlying stream. The object is not SG_REF'ed.

参数
num_elementsnum elements to save from stream
返回
CFeatures object of underlying type, might contain less data if the stream did end (warning is written)

重载 CStreamingFeatures .

CSubsetStack * get_subset_stack ( )
virtualinherited

returns subset stack

返回
subset stack

在文件 Features.cpp334 行定义.

SGVector<float64_t > get_vector ( )
inherited

Return the current feature vector as an SGVector<T>.

返回
The vector as SGVector<T>
bool has_property ( EFeatureProperty  p) const
inherited

check if features have given property

参数
pfeature property
返回
if features have given property

在文件 Features.cpp295 行定义.

bool is_generic ( EPrimitiveType *  generic) const
virtualinherited

If the SGSerializable is a class template then TRUE will be returned and GENERIC is set to the type of the generic.

参数
genericset to the type of the generic if returning TRUE
返回
TRUE if a class template.

在文件 SGObject.cpp296 行定义.

bool is_preprocessed ( int32_t  num) const
inherited

get whether specified preprocessor was already applied

参数
numindex of preprocessor in list

在文件 Features.cpp149 行定义.

bool is_seekable ( )
virtualinherited

Whether the stream is seekable (to check if multiple epochs are possible), i.e., whether we can process examples in a batch fashion.

A stream can usually seekable when it comes from a file or when it comes from another conventional CFeatures object.

返回
true if seekable, else false.

在文件 StreamingFeatures.cpp40 行定义.

void list_feature_obj ( ) const
inherited

list feature object

在文件 Features.cpp171 行定义.

void list_preprocessors ( )
inherited

print preprocessors

在文件 Features.cpp131 行定义.

void load ( CFile loader)
virtualinherited
bool load_serializable ( CSerializableFile file,
const char *  prefix = "" 
)
virtualinherited

Load this object from file. If it will fail (returning FALSE) then this object will contain inconsistent data and should not be used!

参数
filewhere to load from
prefixprefix for members
返回
TRUE if done, otherwise FALSE

在文件 SGObject.cpp369 行定义.

void load_serializable_post ( )
throw (ShogunException
)
protectedvirtualinherited

Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_POST is called.

异常
ShogunExceptionwill be thrown if an error occurs.

CKernel, CWeightedDegreePositionStringKernel, CList, CAlphabet, CLinearHMM, CGaussianKernel, CInverseMultiQuadricKernel, CCircularKernel , 以及 CExponentialKernel 重载.

在文件 SGObject.cpp426 行定义.

void load_serializable_pre ( )
throw (ShogunException
)
protectedvirtualinherited

Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_PRE is called.

异常
ShogunExceptionwill be thrown if an error occurs.

CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.

在文件 SGObject.cpp421 行定义.

bool parameter_hash_changed ( )
virtualinherited
返回
whether parameter combination has changed since last update

在文件 SGObject.cpp262 行定义.

void print_modsel_params ( )
inherited

prints all parameter registered for model selection and their type

在文件 SGObject.cpp474 行定义.

void print_serializable ( const char *  prefix = "")
virtualinherited

prints registered parameters out

参数
prefixprefix for members

在文件 SGObject.cpp308 行定义.

void release_example ( )
virtual

release the example when done w/ processing

重载 CStreamingDenseFeatures< float64_t > .

在文件 MeanShiftDataGenerator.cpp81 行定义.

void remove_all_subsets ( )
virtualinherited

removes all subsets Calls subset_changed_post() afterwards

CCombinedFeatures 重载.

在文件 Features.cpp328 行定义.

void remove_subset ( )
virtualinherited

removes that last added subset from subset stack, if existing Calls subset_changed_post() afterwards

CCombinedFeatures 重载.

在文件 Features.cpp322 行定义.

virtual void reset_stream ( )
virtualinherited

Reset a file back to the first example if possible.

重载 CStreamingFeatures .

bool reshape ( int32_t  num_features,
int32_t  num_vectors 
)
virtualinherited

in case there is a feature matrix allow for reshaping

NOT IMPLEMENTED!

参数
num_featuresnew number of features
num_vectorsnew number of vectors
返回
if reshaping was successful

CDenseFeatures< ST >, CDenseFeatures< uint32_t >, CDenseFeatures< float64_t >, CDenseFeatures< T > , 以及 CDenseFeatures< uint16_t > 重载.

在文件 Features.cpp165 行定义.

void save ( CFile writer)
virtualinherited
bool save_serializable ( CSerializableFile file,
const char *  prefix = "" 
)
virtualinherited

Save this object to file.

参数
filewhere to save the object; will be closed during returning if PREFIX is an empty string.
prefixprefix for members
返回
TRUE if done, otherwise FALSE

在文件 SGObject.cpp314 行定义.

void save_serializable_post ( )
throw (ShogunException
)
protectedvirtualinherited

Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_POST is called.

异常
ShogunExceptionwill be thrown if an error occurs.

CKernel 重载.

在文件 SGObject.cpp436 行定义.

void save_serializable_pre ( )
throw (ShogunException
)
protectedvirtualinherited

Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_PRE is called.

异常
ShogunExceptionwill be thrown if an error occurs.

CKernel, CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.

在文件 SGObject.cpp431 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp41 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp46 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp51 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp56 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp61 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp66 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp71 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp76 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp81 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp86 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp91 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp96 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp101 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp106 行定义.

void set_generic ( )
inherited

在文件 SGObject.cpp111 行定义.

void set_generic ( )
inherited

set generic type to T

void set_global_io ( SGIO io)
inherited

set the io object

参数
ioio object to use

在文件 SGObject.cpp228 行定义.

void set_global_parallel ( Parallel parallel)
inherited

set the parallel object

参数
parallelparallel object to use

在文件 SGObject.cpp241 行定义.

void set_global_version ( Version version)
inherited

set the version object

参数
versionversion object to use

在文件 SGObject.cpp283 行定义.

void set_mean_shift_model ( float64_t  mean_shift,
index_t  dimension,
index_t  m_dimension_shift = 0 
)

Set the mean shift model

参数
mean_shiftSelected dimension is shifted by this amount
dimensionNumber of dimensions
m_dimension_shiftDimension that gets shifted

在文件 MeanShiftDataGenerator.cpp33 行定义.

void set_preprocessed ( int32_t  num)
inherited

set applied flag for preprocessor

参数
numindex of preprocessor in list

在文件 Features.cpp143 行定义.

void set_property ( EFeatureProperty  p)
inherited

set property

参数
pkernel property to set

在文件 Features.cpp300 行定义.

void set_read_functions ( )
inherited

Set the vector reading functions.

The functions are implemented specific to the type in the derived class.

在文件 StreamingFeatures.cpp29 行定义.

virtual void set_vector_and_label_reader ( )
virtualinherited

Sets the read function (in case the examples are labelled) to get_*_vector_and_label from CStreamingFile.

The exact function depends on type T.

The parser uses the function set by this while reading labelled examples.

实现了 CStreamingFeatures.

virtual void set_vector_reader ( )
virtualinherited

Sets the read function (in case the examples are unlabelled) to get_*_vector() from CStreamingFile.

The exact function depends on type T.

The parser uses the function set by this while reading unlabelled examples.

实现了 CStreamingFeatures.

CSGObject * shallow_copy ( ) const
virtualinherited

A shallow copy. All the SGObject instance variables will be simply assigned and SG_REF-ed.

CGaussianKernel 重载.

在文件 SGObject.cpp192 行定义.

virtual void start_parser ( )
virtualinherited

Starts the parsing thread.

To be called before trying to use any feature vectors from this object.

实现了 CStreamingFeatures.

virtual void subset_changed_post ( )
virtualinherited

method may be overwritten to update things that depend on subset

CStringFeatures< ST >, CStringFeatures< T >, CStringFeatures< uint8_t >, CStringFeatures< char > , 以及 CStringFeatures< uint16_t > 重载.

在文件 Features.h293 行定义.

virtual bool support_compatible_class ( ) const
virtualinherited

does this class support compatible computation bewteen difference classes? for example, this->dot(rhs_prt), can rhs_prt be an instance of a difference class?

返回
whether this class supports compatible computation

CDenseSubSamplesFeatures< ST > 重载.

在文件 Features.h323 行定义.

void unset_generic ( )
inherited

unset generic type

this has to be called in classes specializing a template class

在文件 SGObject.cpp303 行定义.

void unset_property ( EFeatureProperty  p)
inherited

unset property

参数
pkernel property to unset

在文件 Features.cpp305 行定义.

void update_parameter_hash ( )
virtualinherited

Updates the hash of current parameter combination

在文件 SGObject.cpp248 行定义.

类成员变量说明

float32_t combined_weight
protectedinherited

feature weighting in combined dot features

在文件 StreamingDenseFeatures.h299 行定义.

float64_t current_label
protectedinherited

The current example's label.

在文件 StreamingDenseFeatures.h308 行定义.

SGVector<float64_t > current_vector
protectedinherited

The current example's feature vector as an SGVector<T>

在文件 StreamingDenseFeatures.h305 行定义.

bool has_labels
protectedinherited

Whether examples are labelled or not.

在文件 StreamingFeatures.h201 行定义.

SGIO* io
inherited

io

在文件 SGObject.h369 行定义.

index_t m_dimension
protected

dimension

在文件 MeanShiftDataGenerator.h82 行定义.

index_t m_dimension_shift
protected

Dimension that is shifted

在文件 MeanShiftDataGenerator.h85 行定义.

Parameter* m_gradient_parameters
inherited

parameters wrt which we can compute gradients

在文件 SGObject.h384 行定义.

uint32_t m_hash
inherited

Hash of parameter values

在文件 SGObject.h387 行定义.

float64_t m_mean_shift
protected

model of data to generate

在文件 MeanShiftDataGenerator.h79 行定义.

Parameter* m_model_selection_parameters
inherited

model selection parameters

在文件 SGObject.h381 行定义.

Parameter* m_parameters
inherited

parameters

在文件 SGObject.h378 行定义.

CSubsetStack* m_subset_stack
protectedinherited

subset used for index transformations

在文件 Features.h352 行定义.

Parallel* parallel
inherited

parallel

在文件 SGObject.h372 行定义.

CInputParser<float64_t > parser
protectedinherited

The parser object, which reads from input and returns parsed example objects.

在文件 StreamingDenseFeatures.h302 行定义.

bool seekable
protectedinherited

Whether the stream is seekable.

在文件 StreamingFeatures.h207 行定义.

Version* version
inherited

version

在文件 SGObject.h375 行定义.

CStreamingFile* working_file
protectedinherited

The StreamingFile object to read from.

在文件 StreamingFeatures.h204 行定义.


该类的文档由以下文件生成:

SHOGUN 机器学习工具包 - 项目文档