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Moved the statistical calculation algorithm code into a separate file.

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Added unit test to these calculations, and fixed a calculation error.
p4#: 21140
This commit is contained in:
Jacob Støren
2013-04-05 10:49:39 +02:00
parent db62f01e0a
commit 0fed66deb2
11 changed files with 404 additions and 187 deletions
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143
ApplicationCode/ReservoirDataModel/ReservoirDataModel_UnitTests/RigStatisticsMath-Test.cpp Normal file
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/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2011-2012 Statoil ASA, Ceetron AS
//
// ResInsight is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RiaStdInclude.h"
#include "gtest/gtest.h"
#include "RigStatisticsMath.h"
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RigStatisticsMath, BasicTest)
{
std::vector<double> values;
values.push_back(HUGE_VAL);
values.push_back(2788.2723335651900);
values.push_back(-22481.0927881701000);
values.push_back(68778.6851686236000);
values.push_back(-76092.8157632591000);
values.push_back(6391.97999909729003);
values.push_back(65930.1200169780000);
values.push_back(-27696.2320267235000);
values.push_back(HUGE_VAL);
values.push_back(HUGE_VAL);
values.push_back(96161.7546348456000);
values.push_back(73875.6716288563000);
values.push_back(80720.4378655615000);
values.push_back(-98649.8109937874000);
values.push_back(99372.9362079615000);
values.push_back(HUGE_VAL);
values.push_back(-57020.4389966513000);
double min, max, range, mean, stdev;
RigStatisticsMath::calculateBasicStatistics(values, &min, &max, &range, &mean, &stdev);
EXPECT_DOUBLE_EQ(-98649.8109937874000, min );
EXPECT_DOUBLE_EQ(99372.9362079615000 , max );
EXPECT_DOUBLE_EQ(198022.7472017490000, range );
EXPECT_DOUBLE_EQ(16313.8051759152000 , mean );
EXPECT_DOUBLE_EQ(66104.391542887200 , stdev );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RigStatisticsMath, RankPercentiles)
{
std::vector<double> values;
values.push_back(HUGE_VAL);
values.push_back(2788.2723335651900);
values.push_back(-22481.0927881701000);
values.push_back(68778.6851686236000);
values.push_back(-76092.8157632591000);
values.push_back(6391.97999909729003);
values.push_back(65930.1200169780000);
values.push_back(-27696.2320267235000);
values.push_back(HUGE_VAL);
values.push_back(HUGE_VAL);
values.push_back(96161.7546348456000);
values.push_back(73875.6716288563000);
values.push_back(80720.4378655615000);
values.push_back(-98649.8109937874000);
values.push_back(99372.9362079615000);
values.push_back(HUGE_VAL);
values.push_back(-57020.4389966513000);
std::vector<double> pValPos;
pValPos.push_back(10);
pValPos.push_back(40);
pValPos.push_back(50);
pValPos.push_back(90);
std::vector<double> pVals = RigStatisticsMath::calculateNearestRankPercentiles(values, pValPos);
EXPECT_DOUBLE_EQ( -76092.8157632591000, pVals[0]);
EXPECT_DOUBLE_EQ( 2788.2723335651900 , pVals[1]);
EXPECT_DOUBLE_EQ( 6391.979999097290 , pVals[2]);
EXPECT_DOUBLE_EQ( 96161.7546348456000 , pVals[3]);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(RigStatisticsMath, HistogramPercentiles)
{
std::vector<double> values;
values.push_back(HUGE_VAL);
values.push_back(2788.2723335651900);
values.push_back(-22481.0927881701000);
values.push_back(68778.6851686236000);
values.push_back(-76092.8157632591000);
values.push_back(6391.97999909729003);
values.push_back(65930.1200169780000);
values.push_back(-27696.2320267235000);
values.push_back(HUGE_VAL);
values.push_back(HUGE_VAL);
values.push_back(96161.7546348456000);
values.push_back(73875.6716288563000);
values.push_back(80720.4378655615000);
values.push_back(-98649.8109937874000);
values.push_back(99372.9362079615000);
values.push_back(HUGE_VAL);
values.push_back(-57020.4389966513000);
double min, max, range, mean, stdev;
RigStatisticsMath::calculateBasicStatistics(values, &min, &max, &range, &mean, &stdev);
std::vector<size_t> histogram;
RigHistogramCalculator histCalc(min, max, 100, &histogram);
histCalc.addData(values);
std::vector<double> pVals;
double p10, p50, p90;
p10 = histCalc.calculatePercentil(0.1);
p50 = histCalc.calculatePercentil(0.5);
p90 = histCalc.calculatePercentil(0.9);
EXPECT_DOUBLE_EQ( -76273.240559989776, p10);
EXPECT_DOUBLE_EQ( 5312.1312871307755 , p50);
EXPECT_DOUBLE_EQ( 94818.413022321271 , p90);
}