CPruneVarSubMean Class Reference
Public Member Functions | |
| CPruneVarSubMean (bool divide=true) | |
| virtual | ~CPruneVarSubMean () |
| virtual bool | init (CFeatures *f) |
| initialize preprocessor from features | |
| virtual bool | load_init_data (FILE *src) |
| initialize preprocessor from file | |
| virtual bool | save_init_data (FILE *dst) |
| save init-data (like transforamtion matrices etc) to file | |
| virtual void | cleanup () |
| cleanup | |
| virtual float64_t * | apply_to_feature_matrix (CFeatures *f) |
| virtual float64_t * | apply_to_feature_vector (float64_t *f, int32_t &len) |
Protected Attributes | |
| int32_t * | idx |
| float64_t * | mean |
| float64_t * | std |
| int32_t | num_idx |
| bool | divide_by_std |
| bool | initialized |
| true when already initialized | |
Detailed Description
Preprocessor PruneVarSubMean will substract the mean and remove features that have zero variance. It will optionally normalize standard deviation of features to 1 (by dividing by standard deviation of the feature)Definition at line 26 of file PruneVarSubMean.h.
Constructor & Destructor Documentation
| CPruneVarSubMean::CPruneVarSubMean | ( | bool | divide = true |
) |
constructor
- Parameters:
-
divide if division shall be made
Definition at line 19 of file PruneVarSubMean.cpp.
| CPruneVarSubMean::~CPruneVarSubMean | ( | ) | [virtual] |
Definition at line 25 of file PruneVarSubMean.cpp.
Member Function Documentation
apply preproc on feature matrix result in feature matrix return pointer to feature_matrix, i.e. f->get_feature_matrix();
apply preproc on feature matrix result in feature matrix return pointer to feature_matrix, i.e. f->get_feature_matrix();
Implements CSimplePreProc< float64_t >.
Definition at line 140 of file PruneVarSubMean.cpp.
apply preproc on single feature vector result in feature matrix
apply preproc on single feature vector result in feature matrix
Implements CSimplePreProc< float64_t >.
Definition at line 176 of file PruneVarSubMean.cpp.
| void CPruneVarSubMean::cleanup | ( | ) | [virtual] |
cleanup
clean up allocated memory
Implements CPreProc.
Definition at line 127 of file PruneVarSubMean.cpp.
| bool CPruneVarSubMean::init | ( | CFeatures * | f | ) | [virtual] |
initialize preprocessor from features
Implements CPreProc.
Definition at line 31 of file PruneVarSubMean.cpp.
| bool CPruneVarSubMean::load_init_data | ( | FILE * | src | ) | [virtual] |
initialize preprocessor from file
Implements CPreProc.
Definition at line 207 of file PruneVarSubMean.cpp.
| bool CPruneVarSubMean::save_init_data | ( | FILE * | dst | ) | [virtual] |
save init-data (like transforamtion matrices etc) to file
Implements CPreProc.
Definition at line 233 of file PruneVarSubMean.cpp.
Member Data Documentation
bool CPruneVarSubMean::divide_by_std [protected] |
divide by std
Definition at line 66 of file PruneVarSubMean.h.
int32_t* CPruneVarSubMean::idx [protected] |
idx
Definition at line 58 of file PruneVarSubMean.h.
bool CPruneVarSubMean::initialized [protected] |
float64_t* CPruneVarSubMean::mean [protected] |
mean
Definition at line 60 of file PruneVarSubMean.h.
int32_t CPruneVarSubMean::num_idx [protected] |
num idx
Definition at line 64 of file PruneVarSubMean.h.
float64_t* CPruneVarSubMean::std [protected] |
std
Definition at line 62 of file PruneVarSubMean.h.
The documentation for this class was generated from the following files: