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CPreprocessor Class Reference

Detailed Description

Class Preprocessor defines a preprocessor interface.

Preprocessors are transformation functions that doesn't change the domain of the input features. These functions can be applied in-place if the input features fit in memory or can be applied on-the-fly when (depending on features) a feature caching strategy is applied. However, if the individual features are in $\bf{R}$ they have to stay in $\bf{R}$ although the dimensionality of the feature vectors is allowed to be changed.

As preprocessors might need a certain initialization they may expect that the init() function is called before anything else. The actual preprocessing is feature type dependent and thus coordinated in the sub-classes, cf. e.g. CSimplePreprocessor.

Definition at line 74 of file Preprocessor.h.

Inheritance diagram for CPreprocessor:
Inheritance graph
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Public Member Functions

 CPreprocessor ()
virtual ~CPreprocessor ()
virtual bool init (CFeatures *features)=0
virtual void cleanup ()=0
virtual EFeatureType get_feature_type ()=0
virtual EFeatureClass get_feature_class ()=0
virtual EPreprocessorType get_type () const =0
- Public Member Functions inherited from CSGObject
 CSGObject ()
 CSGObject (const CSGObject &orig)
virtual ~CSGObject ()
virtual const char * get_name () const =0
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

constructor

Definition at line 78 of file Preprocessor.h.

virtual ~CPreprocessor ( )
virtual

destructor

Definition at line 83 of file Preprocessor.h.

Member Function Documentation

virtual void cleanup ( )
pure virtual
virtual EFeatureClass get_feature_class ( )
pure virtual
virtual EFeatureType get_feature_type ( )
pure virtual
virtual EPreprocessorType get_type ( ) const
pure virtual
virtual bool init ( CFeatures features)
pure virtual

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

SHOGUN Machine Learning Toolbox - Documentation