class Covariance {

    public Covariance() {
        super();
        covarianceMatrix = null;
        n = 0;
    }

    public  Covariance();
    public  Covariance(double[][] data, boolean biasCorrected);
    public  Covariance(double[][] data);
    public  Covariance(RealMatrix matrix, boolean biasCorrected);
    public  Covariance(RealMatrix matrix);

}