CommonTools/Statistics/interface/ChiSquaredProbability.h - master - githubmirror/cmssw

CommonTools/Statistics/interface/ChiSquaredProbability.h

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03 июн 2019, 06:44

03 июн 2019, 06:446a63925

#ifndef ChiSquaredProbability_H
#define ChiSquaredProbability_H

/** Returns the probability that an observation, correctly described by
 *  a model with nrDOF, will give rise to a chi-squared larger than the one
 *  observed; from this, one can interpret this probability as how likely
 *  it is to observe as high (or higher) a chi-squared. 
 *  source: Numerical Recipes
 */
float ChiSquaredProbability(double chiSquared, double nrDOF);
float LnChiSquaredProbability(double chiSquared, double nrDOF);

#endif