64 for (int32_t i=0; i<feature_matrix.
num_cols; i++)
70 return feature_matrix;
80 for (int32_t i=0; i<vector.
vlen; i++)
81 normed_vec[i]=vector.
vector[i]/sum;
virtual SGVector< float64_t > apply_to_feature_vector(SGVector< float64_t > vector)
virtual bool load(FILE *f)
initialize preprocessor from file
virtual bool save(FILE *f)
save preprocessor init-data to file
static T sum(T *vec, int32_t len)
return sum(vec)
Template class DensePreprocessor, base class for preprocessors (cf. CPreprocessor) that apply to CDen...
virtual EFeatureClass get_feature_class() const =0
static void scale_vector(T alpha, T *vec, int32_t len)
scale vector inplace
all of classes and functions are contained in the shogun namespace
virtual void cleanup()
cleanup
The class Features is the base class of all feature objects.
virtual SGMatrix< float64_t > apply_to_feature_matrix(CFeatures *features)
virtual EFeatureType get_feature_type() const =0