Histogram.h

#ifndef STATISTICS_HISTOGRAM_H
#define STATISTICS_HISTOGRAM_H

#include "statistics.h"

namespace Statistics {

class Histogram
{
 public:
  Histogram();
  void Clear(); 
  void Resize(Real split);
  void Resize(size_t n,Real a,Real b);
  void ResizeToFit(const std::vector<Real>& data,size_t n);
  void Fill(Real val=0);
  void Calculate(const std::vector<Real>& data);

  void GetRange(int bucket,Real& min,Real& max) const;
  int GetBucket(Real val) const;
  void AddBucket(Real val,Real num=1);
  Real GetBucketCount(int bucket) const { return buckets[bucket]; }
  Real NumObservations() const;

  std::vector<Real> divs;
  std::vector<Real> buckets;
};

} //namespace Statistics

#endif