Class SampleRecorder

    • Constructor Summary

      Constructors 
      Constructor Description
      SampleRecorder()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long count()
      Returns the count of samples recorded so far.
      double max()
      Returns the largest sample recorded so far.
      double meanEstimate()
      Returns the estimated mean of samples recorded so far.
      double min()
      Returns the smallest sample recorded so far.
      void record​(double sample)
      Records the given sample.
      void reset()  
      double stdDevEstimate()
      Returns the estimated standard deviation of samples recorded so far; this is computed by need.
      private void updateEstimates​(double sample)  
      double varianceEstimate()
      Returns the estimated variance of samples recorded so far.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • count

        private long count
      • meanEstimate

        private double meanEstimate
      • varianceEstimate

        private double varianceEstimate
      • stdDevEstimate

        private double stdDevEstimate
      • sd_dirty

        private boolean sd_dirty
      • max

        private double max
      • min

        private double min
      • sumX

        private double sumX
      • sumXSquared

        private double sumXSquared
    • Constructor Detail

      • SampleRecorder

        public SampleRecorder()
    • Method Detail

      • updateEstimates

        private void updateEstimates​(double sample)
      • reset

        public void reset()
      • record

        public void record​(double sample)
        Records the given sample.
      • count

        public long count()
        Returns the count of samples recorded so far.
      • meanEstimate

        public double meanEstimate()
        Returns the estimated mean of samples recorded so far.
      • varianceEstimate

        public double varianceEstimate()
        Returns the estimated variance of samples recorded so far.
      • stdDevEstimate

        public double stdDevEstimate()
        Returns the estimated standard deviation of samples recorded so far; this is computed by need.
      • max

        public double max()
        Returns the largest sample recorded so far.
      • min

        public double min()
        Returns the smallest sample recorded so far.