Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/statistics/AbstractStatistics.java @ 1129:ccfa07b88476

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merged geo-backend
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:01 +0200
parents f953c9a559d8
children
rev   line source
1115
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.gnv.statistics;
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10
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11 import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
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12
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13 import org.apache.commons.math.stat.regression.SimpleRegression;
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14
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15 import org.apache.log4j.Logger;
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16
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17 /**
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18 * An abstract implementation of <code>Statistics</code> with a default
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19 * 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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20 * method.
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21 *
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22 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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23 */
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24 public abstract class AbstractStatistics
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25 implements Statistics
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26 {
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27 private static Logger log = Logger.getLogger(
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28 AbstractStatistics.class);
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29
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30 public AbstractStatistics() {
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31 }
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32
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33 /**
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34 * This method takes a statistics object and puts relevant values into a
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35 * <code>StatisticSet</code>.
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36 *
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37 * @param lStatistics A statistics object.
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38 * @param lRegression A simple regression.
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39 * @param statisticName Name for the resulting statistic.
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40 * @return a set of statistics.
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41 */
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42 protected StatisticSet generateStatisticsValues(
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43 DescriptiveStatistics lStatistics,
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44 SimpleRegression lRegression,
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45 String statisticName
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46 ) {
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47 StatisticSet statisticSet = new StatisticSet(statisticName);
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48
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49 statisticSet.addStatistic(
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50 new Statistic(
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51 "gnviewer.statistics.descriptive.arithmeticMean",
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52 lStatistics.getMean()));
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53
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54 statisticSet.addStatistic(
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55 new Statistic(
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56 "gnviewer.statistics.descriptive.kurtosis",
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57 lStatistics.getKurtosis()));
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58
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59 statisticSet.addStatistic(
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60 new Statistic(
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61 "gnviewer.statistics.descriptive.max",
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62 lStatistics.getMax()));
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63
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64 statisticSet.addStatistic(
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65 new Statistic(
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66 "gnviewer.statistics.descriptive.min",
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67 lStatistics.getMin()));
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68
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69 statisticSet.addStatistic(
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70 new Statistic(
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71 "gnviewer.statistics.descriptive.n",
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72 lStatistics.getN()));
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73
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74 statisticSet.addStatistic(
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75 new Statistic(
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76 "gnviewer.statistics.descriptive.percentile.90",
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77 lStatistics.getPercentile(90)));
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78
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79 statisticSet.addStatistic(
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80 new Statistic(
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81 "gnviewer.statistics.descriptive.percentile.75",
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82 lStatistics.getPercentile(75)));
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83
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84 statisticSet.addStatistic(
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85 new Statistic(
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86 "gnviewer.statistics.descriptive.percentile.50",
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87 lStatistics.getPercentile(50)));
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88
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89 statisticSet.addStatistic(
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90 new Statistic(
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91 "gnviewer.statistics.descriptive.percentile.10",
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92 lStatistics.getPercentile(10)));
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93
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94 statisticSet.addStatistic(
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95 new Statistic(
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96 "gnviewer.statistics.descriptive.deviation",
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97 lStatistics.getStandardDeviation()));
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98
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99 statisticSet.addStatistic(
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100 new Statistic(
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101 "gnviewer.statistics.descriptive.variance",
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102 lStatistics.getVariance()));
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103
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104 statisticSet.addStatistic(
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105 new Statistic(
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106 "gnviewer.statistics.descriptive.intercept",
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107 lRegression.getIntercept()));
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108
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109 statisticSet.addStatistic(
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110 new Statistic(
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111 "gnviewer.statistics.descriptive.slope",
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112 lRegression.getSlope()));
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113
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114 return statisticSet;
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115 }
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116 }
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117 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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118
http://dive4elements.wald.intevation.org