Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/statistics/AbstractStatistics.java @ 1085:ec512e7992c6

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Improved data initialization and axis range calculation in vertical profiles (scalar and vector). gnv-artifacts/trunk@1187 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 09 Jun 2010 17:11:54 +0000
parents 2423cefe7d39
children f953c9a559d8
rev   line source
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1 package de.intevation.gnv.statistics;
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2
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3 import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
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4
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5 import org.apache.commons.math.stat.regression.SimpleRegression;
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6
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7 import org.apache.log4j.Logger;
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8
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9 /**
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10 * An abstract implementation of <code>Statistics</code> with a default
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11 * implementation of the {@link #generateStatisticsValues(org.apache.commons.math.stat.descriptive.DescriptiveStatistics, org.apache.commons.math.stat.regression.SimpleRegression, java.lang.String)}
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12 * method.
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13 *
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14 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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15 */
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16 public abstract class AbstractStatistics
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17 implements Statistics
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18 {
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19 private static Logger log = Logger.getLogger(
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20 AbstractStatistics.class);
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21
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22 public AbstractStatistics() {
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23 }
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24
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25 /**
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26 * This method takes a statistics object and puts relevant values into a
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27 * <code>StatisticSet</code>.
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28 *
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29 * @param lStatistics A statistics object.
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30 * @param lRegression A simple regression.
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31 * @param statisticName Name for the resulting statistic.
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32 * @return a set of statistics.
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33 */
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34 protected StatisticSet generateStatisticsValues(
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35 DescriptiveStatistics lStatistics,
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36 SimpleRegression lRegression,
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37 String statisticName
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38 ) {
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39 StatisticSet statisticSet = new StatisticSet(statisticName);
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40
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41 statisticSet.addStatistic(
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42 new Statistic(
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43 "gnviewer.statistics.descriptive.arithmeticMean",
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44 lStatistics.getMean()));
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45
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46 statisticSet.addStatistic(
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47 new Statistic(
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48 "gnviewer.statistics.descriptive.kurtosis",
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49 lStatistics.getKurtosis()));
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50
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51 statisticSet.addStatistic(
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52 new Statistic(
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53 "gnviewer.statistics.descriptive.max",
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54 lStatistics.getMax()));
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55
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56 statisticSet.addStatistic(
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57 new Statistic(
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58 "gnviewer.statistics.descriptive.min",
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59 lStatistics.getMin()));
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60
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61 statisticSet.addStatistic(
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62 new Statistic(
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63 "gnviewer.statistics.descriptive.n",
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64 lStatistics.getN()));
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65
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66 statisticSet.addStatistic(
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67 new Statistic(
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68 "gnviewer.statistics.descriptive.percentile.90",
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69 lStatistics.getPercentile(90)));
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70
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71 statisticSet.addStatistic(
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72 new Statistic(
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73 "gnviewer.statistics.descriptive.percentile.75",
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74 lStatistics.getPercentile(75)));
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75
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76 statisticSet.addStatistic(
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77 new Statistic(
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78 "gnviewer.statistics.descriptive.percentile.50",
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79 lStatistics.getPercentile(50)));
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80
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81 statisticSet.addStatistic(
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82 new Statistic(
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83 "gnviewer.statistics.descriptive.percentile.10",
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84 lStatistics.getPercentile(10)));
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85
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86 statisticSet.addStatistic(
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87 new Statistic(
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88 "gnviewer.statistics.descriptive.deviation",
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89 lStatistics.getStandardDeviation()));
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90
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91 statisticSet.addStatistic(
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92 new Statistic(
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93 "gnviewer.statistics.descriptive.variance",
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94 lStatistics.getVariance()));
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95
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96 statisticSet.addStatistic(
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97 new Statistic(
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98 "gnviewer.statistics.descriptive.intercept",
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99 lRegression.getIntercept()));
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100
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101 statisticSet.addStatistic(
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102 new Statistic(
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103 "gnviewer.statistics.descriptive.slope",
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104 lRegression.getSlope()));
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105
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106 return statisticSet;
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107 }
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108 }
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109 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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110
http://dive4elements.wald.intevation.org