class PSquarePercentile extends AbstractStorelessUnivariateStatistic implements StorelessUnivariateStatistic, Serializable {

    @Override
    public String toString() {

        if (markers == null) {
            return String.format("obs=%s pValue=%s",
                    DECIMAL_FORMAT.format(lastObservation),
                    DECIMAL_FORMAT.format(pValue));
        } else {
            return String.format("obs=%s markers=%s",
                    DECIMAL_FORMAT.format(lastObservation), markers.toString());
        }
    }

    public  PSquarePercentile(final double p);
      PSquarePercentile();

}