Interface MatrixStats

    • Method Detail

      • getDocCount

        long getDocCount()
        return the total document count
      • getFieldCount

        long getFieldCount​(java.lang.String field)
        return total field count (differs from docCount if there are missing values)
      • getMean

        double getMean​(java.lang.String field)
        return the field mean
      • getVariance

        double getVariance​(java.lang.String field)
        return the field variance
      • getSkewness

        double getSkewness​(java.lang.String field)
        return the skewness of the distribution
      • getKurtosis

        double getKurtosis​(java.lang.String field)
        return the kurtosis of the distribution
      • getCovariance

        double getCovariance​(java.lang.String fieldX,
                             java.lang.String fieldY)
        return the covariance between field x and field y
      • getCorrelation

        double getCorrelation​(java.lang.String fieldX,
                              java.lang.String fieldY)
        return the correlation coefficient of field x and field y