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CNormOne Class Reference

Detailed Description

Preprocessor NormOne, normalizes vectors to have norm 1.

Formally, it computes

\[ {\bf x} \leftarrow \frac{{\bf x}}{||{\bf x}||} \]

It therefore does not need any initialization. It is most useful to get data onto a ball of radius one.

Definition at line 33 of file NormOne.h.

Inheritance diagram for CNormOne:
Inheritance graph
[legend]

Public Member Functions

 CNormOne ()
virtual ~CNormOne ()
virtual bool init (CFeatures *features)
 initialize preprocessor from features
virtual void cleanup ()
 cleanup
virtual bool load (FILE *f)
 initialize preprocessor from file
virtual bool save (FILE *f)
 save preprocessor init-data to file
virtual SGMatrix< float64_tapply_to_feature_matrix (CFeatures *features)
virtual SGVector< float64_tapply_to_feature_vector (SGVector< float64_t > vector)
virtual const char * get_name () const
virtual EPreprocessorType get_type () const
 return a type of preprocessor
- Public Member Functions inherited from CSimplePreprocessor< float64_t >
 CSimplePreprocessor ()
virtual EFeatureClass get_feature_class ()
 return that we are simple features (just fixed size matrices)
virtual EFeatureType get_feature_type ()
 return feature type
- Public Member Functions inherited from CPreprocessor
 CPreprocessor ()
virtual ~CPreprocessor ()
- Public Member Functions inherited from CSGObject
 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)
SGIOget_global_io ()
void set_global_parallel (Parallel *parallel)
Parallelget_global_parallel ()
void set_global_version (Version *version)
Versionget_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)

Additional Inherited Members

- Public Attributes inherited from CSGObject
SGIOio
Parallelparallel
Versionversion
Parameterm_parameters
Parameterm_model_selection_parameters
- Protected Member Functions inherited from CSGObject
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)

Constructor & Destructor Documentation

CNormOne ( )

default constructor

Definition at line 19 of file NormOne.cpp.

~CNormOne ( )
virtual

destructor

Definition at line 24 of file NormOne.cpp.

Member Function Documentation

SGMatrix< float64_t > apply_to_feature_matrix ( CFeatures features)
virtual

apply preproc on feature matrix result in feature matrix return pointer to feature_matrix, i.e. f->get_feature_matrix();

Implements CSimplePreprocessor< float64_t >.

Definition at line 61 of file NormOne.cpp.

SGVector< float64_t > apply_to_feature_vector ( SGVector< float64_t vector)
virtual

apply preproc on single feature vector result in feature matrix

Implements CSimplePreprocessor< float64_t >.

Definition at line 76 of file NormOne.cpp.

void cleanup ( )
virtual

cleanup

clean up allocated memory

Implements CPreprocessor.

Definition at line 38 of file NormOne.cpp.

virtual const char* get_name ( ) const
virtual
Returns
object name

Implements CSGObject.

Definition at line 61 of file NormOne.h.

virtual EPreprocessorType get_type ( ) const
virtual

return a type of preprocessor

Reimplemented from CSimplePreprocessor< float64_t >.

Definition at line 64 of file NormOne.h.

bool init ( CFeatures features)
virtual

initialize preprocessor from features

Implements CPreprocessor.

Definition at line 29 of file NormOne.cpp.

bool load ( FILE *  f)
virtual

initialize preprocessor from file

Definition at line 43 of file NormOne.cpp.

bool save ( FILE *  f)
virtual

save preprocessor init-data to file

Definition at line 51 of file NormOne.cpp.


The documentation for this class was generated from the following files:

SHOGUN Machine Learning Toolbox - Documentation