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54 lines
2.0 KiB
C++
54 lines
2.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2011-2012 Statoil ASA, Ceetron AS
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include <vector>
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#include <cmath>
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class RigStatisticsMath
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{
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public:
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static void calculateBasicStatistics(const std::vector<double>& values, double* min, double* max, double* range, double* mean, double* dev);
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static std::vector<double> calculateNearestRankPercentiles(const std::vector<double> & inputValues, const std::vector<double>& pValPositions);
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};
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//==================================================================================================
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/// Class to calculate a histogram, and histogram based p-value estimates
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//==================================================================================================
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class RigHistogramCalculator
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{
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public:
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RigHistogramCalculator(double min, double max, size_t nBins, std::vector<size_t>* histogram);
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void addData(const std::vector<double>& data);
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/// Calculates the estimated percentile from the histogram.
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/// the percentile is the domain value at which pVal of the observations are below it.
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/// Will only consider observed values between min and max, as all other values are discarded from the histogram
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double calculatePercentil(double pVal);
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private:
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size_t maxIndex;
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double m_range;
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double m_min;
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size_t m_observationCount;
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std::vector<size_t>* m_histogram;
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};
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