source: branches/FitnessLandscapeAnalysis/HeuristicLab.Analysis.FitnessLandscape/Analysis/Aggregators/DistributionAnalyzer.cs @ 15016

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using HeuristicLab.Core;
using HeuristicLab.Optimization;
using HeuristicLab.Data;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
using HeuristicLab.Common;
using HeuristicLab.Common.Resources;
using HeuristicLab.Analysis.FitnessLandscape.DataTables;
using System.Drawing;
using HeuristicLab.Analysis.FitnessLandscape.Analysis;

namespace HeuristicLab.Analysis.FitnessLandscape {

  public class DistributionAnalyzer {

    private double[] values;

    public DistributionAnalyzer(IEnumerable<double> values) {
      this.values = values.ToArray();
    }

    public double Mean {
      get {
        try {
          double mean = 0;
          double variance = 0;
          double skewness = 0;
          double kurtosis = 0;
          alglib.basestat.samplemoments(values, values.Length, ref mean, ref variance, ref skewness, ref kurtosis);
          return mean;
        } catch (Exception) {
          return 0;
        }
      }
    }

    public double this[double quantile] {
      get {
        try {
          double v = 0;
          alglib.basestat.samplepercentile(values, values.Length, quantile, ref v);
          return v;
        } catch (Exception) {
          return 0;
        }
      }
    }
  }
}