void accept(final double value) {
		++_n;

		final double n = _n;
		final double d = value - _m1.value();
		final double dN = d/n;
		final double dN2 = dN*dN;
		final double t1 = d*dN*(n - 1.0);

		_m1.add(dN);
		_m4.add(t1*dN2*(n*n - 3.0*n + 3.0))
			.add(6.0*dN2*_m2.value() - 4.0*dN*_m3.value());
		_m3.add(t1*dN*(n - 2.0) - 3.0*dN*_m2.value());
		_m2.add(t1);
	}
Update the moments with the given {@code value}.

@param value the value which is used to update this statistical moment.
jenetics/src/main/java/io/jenetics/stat/MomentStatistics.java