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22 lines
818 B
C
22 lines
818 B
C
// $Id: betaUtilities.h 962 2006-11-07 15:13:34Z privmane $
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#ifndef ___BETA_UTILITIES
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#define ___BETA_UTILITIES
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#include "definitions.h"
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#include "numRec.h"
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/******************************************************************************
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beta utilities include calculating inverse of the beta cdf and calculation of mean values
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used mainly in building the gamma function and creating categories within it
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******************************************************************************/
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MDOUBLE inverseCDFBeta(MDOUBLE a, MDOUBLE b, MDOUBLE prob);
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MDOUBLE computeAverage_r(MDOUBLE leftBound, MDOUBLE rightBound, MDOUBLE alpha, MDOUBLE beta, int k);
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MDOUBLE incompleteBeta(MDOUBLE alpha, MDOUBLE beta, MDOUBLE x);
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MDOUBLE betacf(MDOUBLE a, MDOUBLE b, MDOUBLE x);
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MDOUBLE betaln(MDOUBLE alpha, MDOUBLE beta);
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#endif
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