eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/descriptiveDataSet/matrix/QuantitativeDataStatistics.java

   1 /**
   2 * Copyright (C) 2018 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.editor.descriptiveDataSet.matrix;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collections;
  13 import java.util.List;
  14
  15 import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
  16
  17 import eu.etaxonomy.cdm.model.description.QuantitativeData;
  18 import eu.etaxonomy.cdm.model.description.StatisticalMeasure;
  19
  20 /**
  21  * @author pplitzner
  22  * @since Jul 18, 2018
  23  *
  24  */
  25 public class QuantitativeDataStatistics {
  26
  27     private List<DescriptiveStatistics> statistics = new ArrayList<>();
  28
  29     public void addQuantitativeData(QuantitativeData quantitativeData){
  30         double[] exactValues = quantitativeData.getStatisticalValues().stream()
  31                 .filter(value -> value.getType().equals(StatisticalMeasure.EXACT_VALUE()))
  32                 .mapToDouble(value -> value.getValue()).toArray();
  33         //if there are exact values we use those
  34         if (exactValues.length > 0) {
  35             statistics.add(new DescriptiveStatistics(exactValues));
  36         }
  37         //otherwise we use the aggregated values (min, max, etc.)
  38         else{
  39             DescriptiveStatistics aggregatedStatistics = new DescriptiveStatistics();
  40             if(quantitativeData.getMin()!=null){
  41                 aggregatedStatistics.addValue(quantitativeData.getMin().doubleValue());
  42             }
  43             if(quantitativeData.getMax()!=null){
  44                 aggregatedStatistics.addValue(quantitativeData.getMax().doubleValue());
  45             }
  46             statistics.add(aggregatedStatistics);
  47         }
  48         Collections.sort(statistics, (s1, s2)->Double.compare(s1.getMean(), s2.getMean()));
  49     }
  50
  51     public List<DescriptiveStatistics> getStatistics() {
  52         return statistics;
  53     }
  54
  55 }