public SampleSummaryStatistics combine(final SampleSummaryStatistics other) {
		if (other._parameterCount != _parameterCount) {
			throw new IllegalArgumentException(format(
				"Expected sample size of %d, but got %d.",
				_parameterCount, other._parameterCount
			));
		}

		for (int i = 0; i < _parameterCount; ++i) {
			_moments.get(i).combine(other._moments.get(i));
			_quantiles.get(i).combine(other._quantiles.get(i));
		}

		return this;
	}
Combine two {@code SampleSummaryStatistics} statistic objects.

@param other the other {@code SampleSummaryStatistics} statistics to
       combine with {@code this} one.
@return {@code this} statistics object
@throws IllegalArgumentException if the {@code parameterCount} of the
        {@code other} statistics object is different to {@code this} one
@throws NullPointerException if the other statistical summary is
        {@code null}.
jenetics.tool/src/main/java/io/jenetics/tool/trial/SampleSummaryStatistics.java