00001 #ifndef STATSH
00002 #define STATSH
00003
00023 typedef struct _StatTracker_ {
00024 long n;
00025 double sum;
00026 double sumSquare;
00027 } StatTrackerStruct, *StatTracker;
00028
00030 StatTracker StatTrackerNew(void);
00031
00033 void StatTrackerFree(StatTracker st);
00034
00036 void StatTrackerAddSample(StatTracker st, double x);
00037
00044 double StatTrackerGetMean(StatTracker st);
00045
00051 double StatTrackerGetVariance(StatTracker st);
00052
00058 double StatTrackerGetStdev(StatTracker st);
00059
00061 long StatTrackerGetNumSamples(StatTracker st);
00062
00069 double StatTrackerGetNormalBound(StatTracker st, double delta);
00070
00078 double StatGetNormalBound(double variance, long n, double delta);
00079
00080
00087 double StatHoeffdingBoundOne(double range, double delta, long n);
00088
00095 double StatHoeffdingBoundTwo(double range, double delta, long n);
00096
00101 float StatLogGamma(float xx);
00102
00103 #endif
