sascha@454: package de.intevation.gnv.statistics;
sascha@454: 
sascha@454: import org.apache.commons.math.stat.descriptive.DescriptiveStatistics;
sascha@454: 
sascha@454: import org.apache.commons.math.stat.regression.SimpleRegression;
sascha@454: 
sascha@454: import org.apache.log4j.Logger;
sascha@454: 
sascha@454: /**
ingo@814:  * An abstract implementation of <code>Statistics</code> with a default
ingo@814:  * implementation of the {@link #generateStatisticsValues(org.apache.commons.math.stat.descriptive.DescriptiveStatistics, org.apache.commons.math.stat.regression.SimpleRegression, java.lang.String)}
ingo@814:  * method.
ingo@814:  * 
sascha@780:  * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
sascha@454:  */
sascha@454: public abstract class AbstractStatistics
sascha@454: implements            Statistics
sascha@454: {
sascha@454:     private static Logger log = Logger.getLogger(
sascha@454:         AbstractStatistics.class);
sascha@454: 
sascha@454:     public AbstractStatistics() {
sascha@454:     }
sascha@454: 
ingo@814:     /**
ingo@814:      * This method takes a statistics object and puts relevant values into a
ingo@814:      * <code>StatisticSet</code>.
ingo@814:      *
ingo@814:      * @param lStatistics A statistics object.
ingo@814:      * @param lRegression A simple regression.
ingo@814:      * @param statisticName Name for the resulting statistic.
ingo@814:      * @return a set of statistics.
ingo@814:      */
sascha@454:     protected StatisticSet generateStatisticsValues(
sascha@454:         DescriptiveStatistics lStatistics,
sascha@778:         SimpleRegression      lRegression,
sascha@454:         String                statisticName
sascha@454:     ) {
sascha@454:         StatisticSet statisticSet = new StatisticSet(statisticName);
sascha@778: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.arithmeticMean",
sascha@454:                 lStatistics.getMean()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@778:                 "gnviewer.statistics.descriptive.kurtosis",
sascha@454:                 lStatistics.getKurtosis()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.max",
sascha@454:                 lStatistics.getMax()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.min",
sascha@454:                 lStatistics.getMin()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.n",
sascha@454:                 lStatistics.getN()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.percentile.90",
sascha@454:                 lStatistics.getPercentile(90)));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.percentile.75",
sascha@454:                 lStatistics.getPercentile(75)));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.percentile.50",
sascha@454:                 lStatistics.getPercentile(50)));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.percentile.10",
sascha@454:                 lStatistics.getPercentile(10)));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.deviation",
sascha@454:                 lStatistics.getStandardDeviation()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.variance",
sascha@454:                 lStatistics.getVariance()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@778:                 "gnviewer.statistics.descriptive.intercept",
sascha@454:                 lRegression.getIntercept()));
sascha@454: 
sascha@454:         statisticSet.addStatistic(
sascha@454:             new Statistic(
sascha@454:                 "gnviewer.statistics.descriptive.slope",
sascha@454:                 lRegression.getSlope()));
sascha@454: 
sascha@454:         return statisticSet;
sascha@454:     }
sascha@454: }
sascha@454: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
sascha@454: