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stats.h

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#ifndef STATSH
#define STATSH

typedef struct _StatTracker_ {
   long n;
   double sum;
   double sumSquare;
} StatTrackerStruct, *StatTracker;

StatTracker StatTrackerNew(void);

void StatTrackerFree(StatTracker st);

void StatTrackerAddSample(StatTracker st, double x);

double StatTrackerGetMean(StatTracker st);

double StatTrackerGetVariance(StatTracker st);

double StatTrackerGetStdev(StatTracker st);

long StatTrackerGetNumSamples(StatTracker st);

double StatTrackerGetNormalBound(StatTracker st, double delta);

double StatGetNormalBound(double variance, long n, double delta);


double StatHoeffdingBoundOne(double range, double delta, long n);

double StatHoeffdingBoundTwo(double range, double delta, long n);

float StatLogGamma(float xx);

#endif /* STATSH */

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