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51 lines
1009 B
C++
51 lines
1009 B
C++
#ifndef Statistic_h
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#define Statistic_h
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//
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// FILE: Statistic.h
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// AUTHOR: Rob dot Tillaart at gmail dot com
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// modified at 0.3 by Gil Ross at physics dot org
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// PURPOSE: Recursive Statistical library for Arduino
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// HISTORY: See Statistic.cpp
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//
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// Released to the public domain
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//
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// the standard deviation increases the lib (<100 bytes)
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// it can be in/excluded by un/commenting next line
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#define STAT_USE_STDEV
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#include <math.h>
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#define STATISTIC_LIB_VERSION "0.3.2"
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class Statistic
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{
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public:
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Statistic();
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void clear();
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void add(float);
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unsigned long count();
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float sum();
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float average();
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float minimum();
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float maximum();
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#ifdef STAT_USE_STDEV
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float variance();
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float pop_stdev(); // population stdev
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float unbiased_stdev();
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#endif
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protected:
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unsigned long _cnt;
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float _store; // store to minimise computation
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float _sum;
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float _min;
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float _max;
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#ifdef STAT_USE_STDEV
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float _ssqdif; // sum of squares difference
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#endif
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};
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#endif
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// END OF FILE
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