1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using HeuristicLab.Analysis.Statistics;
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24 | using Microsoft.VisualStudio.TestTools.UnitTesting;
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25 |
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26 | namespace HeuristicLab.Analysis.Tests {
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27 | [TestClass]
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28 | public class ConfidenceIntervalsTests {
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29 | private readonly double[] x = new double[] { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 1.5, 0.3 };
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30 | private readonly double[] y = new double[] { -0.4071000, 1.3207543, 0.8364860, -0.6574363, 0.6215807,
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31 | 1.1562429, -0.7299977, -0.1013315, -1.5221018, -0.9375169, -0.6257027, 1.1698417, -0.9868505, 0.6890087,
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32 | -0.1643505, -0.4920212, -0.6958091, 1.8849663, 0.8117723, 0.9806149};
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33 | private readonly double[] z = new double[] { 45, 55, 67, 45, 68, 79, 98, 87, 84, 82 };
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34 |
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35 | [TestMethod]
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36 | public void ConfidenceIntervalsTest1() {
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37 | var result = z.ConfidenceIntervals(0.98);
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38 | Assert.AreEqual(54.8, Math.Round(result.Item1, 1));
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39 | Assert.AreEqual(87.2, Math.Round(result.Item2, 1));
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40 | }
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41 |
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42 | [TestMethod]
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43 | public void ConfidenceIntervalsTest2() {
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44 | //comparison with R's t.test(..)
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45 | var result = x.ConfidenceIntervals(0.95);
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46 | Assert.AreEqual(1.880506, Math.Round(result.Item1, 6));
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47 | Assert.AreEqual(5.679494, Math.Round(result.Item2, 6));
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48 | }
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49 |
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50 | [TestMethod]
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51 | public void ConfidenceIntervalsTest3() {
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52 | //comparison with R's t.test(..)
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53 | var result = y.ConfidenceIntervals(0.1);
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54 | Assert.AreEqual(0.0802945, Math.Round(result.Item1, 7));
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55 | Assert.AreEqual(0.1348105, Math.Round(result.Item2, 7));
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56 | }
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57 |
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58 | [TestMethod]
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59 | public void ConfidenceIntervalsTest4() {
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60 | //comparison with R's t.test(..)
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61 | var result = y.ConfidenceIntervals(0.99);
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62 | Assert.AreEqual(-0.5047921, Math.Round(result.Item1, 7));
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63 | Assert.AreEqual(0.7198970, Math.Round(result.Item2, 7));
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64 | }
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65 | }
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66 | }
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