public double variance_of_ComplexModuli() {
		boolean hold = Stat.nFactorOptionS;
		if (nFactorReset) {
			if (nFactorOptionI) {
				Stat.nFactorOptionS = true;
			} else {
				Stat.nFactorOptionS = false;
			}
		}
		double[] re = this.array_as_modulus_of_Complex();
		double variance = Stat.variance(re);
		Stat.nFactorOptionS = hold;
		return variance;
	}