#ifndef __HISTOGRAM__H_

#define __HISTOGRAM__H_

class Histogram

{

	double mean;

	double variance;

	double std_dev;

	int rows;

	void calc_mean();

	void calc_variance();

	void calc_std_dev();

public:

	int *weights;

	Histogram(int numrows);

	~Histogram();

	void calcStatistics();

	float get_std_dev() { return std_dev;};

	float get_variance() { return variance;};

	float get_mean() { return mean;};

};

#endif