Class BaseCoOccurrenceFrequencyMatrix

    • Field Detail

      • cofMean

        private double[] cofMean
        co-occurrence frequency mean $\mu_{C(j)}$
      • cofStddev

        private double[] cofStddev
        co-occurrence frequency standard deviation $\sigma_{C(j)}$
      • scofMean

        private double scofMean
        self co-occurrence frequency mean $\mu_S$
      • scofStddev

        private double scofStddev
        self co-occurrence frequency standard deviation $\sigma_S$
      • scofSum

        private double scofSum
        equals scofMean + scofStddev
    • Constructor Detail

      • BaseCoOccurrenceFrequencyMatrix

        public BaseCoOccurrenceFrequencyMatrix()
    • Method Detail

      • computeCoOccurrenceFrequencyMeanValues

        private void computeCoOccurrenceFrequencyMeanValues()
      • computeCoOccurrenceFrequencyStandardDeviationValues

        private void computeCoOccurrenceFrequencyStandardDeviationValues()
      • computeSelfCoOccurrenceFrequencyMeanValue

        private void computeSelfCoOccurrenceFrequencyMeanValue()
      • computeSelfCoOccurrenceFrequencyStandardDeviationValue

        private void computeSelfCoOccurrenceFrequencyStandardDeviationValue()
      • computeStatistics

        public void computeStatistics()
        Assumes that the co-occurrence frequency values have been initialized. Computes mean and standard deviation for co-occurrence and self co-occurrence frequency values.
        Specified by:
        computeStatistics in interface CoOccurrenceFrequencyMatrix
      • getScofMean

        public double getScofMean()
        Returns the mean of all self co-occurrence frequency values. This value is called $\mu_S$ in Shufelt's paper. This value is determined once within computeStatistics().
        Specified by:
        getScofMean in interface CoOccurrenceFrequencyMatrix
      • getScofStddev

        public double getScofStddev()
        Returns the standard deviation of all self co-occurrence frequency values. This value is called $\sigma_S$ in Shufelt's paper. This value is determined once within a call to computeStatistics().
        Specified by:
        getScofStddev in interface CoOccurrenceFrequencyMatrix
        Returns:
        standard deviation for pairs
      • getScofSum

        public double getScofSum()
        Return the sum of mean and standard deviation of the self co-occurrence frequency values. Assumes that computeStatistics() has been called already.
        Specified by:
        getScofSum in interface CoOccurrenceFrequencyMatrix
        Returns:
        sum of mean and standard deviation of the self co-occurrence frequency values