variancepartitioner.hpp

dysii是一款非常出色的滤波函数库

#ifndef INDII_ML_AUX_VARIANCEPARTITIONER_HPP
#define INDII_ML_AUX_VARIANCEPARTITIONER_HPP

#include "Partitioner.hpp"

namespace indii {
  namespace ml {
    namespace aux {
/**
 * Partitions a set of weighted points into two sets at the mean of the
 * dimension with greatest variance.
 *
 * @author Lawrence Murray <[e-mail]>
 * @version $Rev: 404 $
 * @date $Date: 2008-03-05 14:52:55 +0000 (Wed, 05 Mar 2008) $
 */
class VariancePartitioner : public Partitioner {
public:
  /**
   * Destructor.
   */
  virtual ~VariancePartitioner();

  virtual void init(Partitioner::points& xws);
  
  virtual Partitioner::Partition assign(const aux::vector& x);

private:
  /**
   * Index of the dimension on which to split.
   */
  unsigned int index;
  
  /**
   * Value along which to split.
   */
  double value;

};
 
    }
  }
}

#endif