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/*
$Id$
KCalc, a scientific calculator for the X window system using the
Qt widget libraries, available at no cost at http://www.troll.no
Copyright (C) 1996 Bernd Johannes Wuebben
wuebben@math.cornell.edu
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KSTATS_H
#define KSTATS_H
#include <qvaluevector.h>
#include "knumber.h"
class KStats {
public:
KStats();
~KStats();
public:
void clearAll();
void enterData(const KNumber & data);
void clearLast();
KNumber sum();
KNumber sum_of_squares();
KNumber mean();
KNumber median();
KNumber std_kernel();
KNumber std();
KNumber sample_std();
int count() const;
bool error();
private:
QValueVector<KNumber> mData;
bool error_flag;
};
#endif /*KSTATS_H*/
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