@Test
public void testGetStandardDeviation()
{
double[] zscores = {0.1, 1.0, 1.5, 2.0, 2.5, 3.0};
SummedGaussian g = new SummedGaussian(zscores, Util.arraySum(zscores));
Odor o = new Odor(zscores.length, g);
assert(o.getStandardDeviation() == g.getStandardDeviation()
&& o.getStandardDeviation() == Util.standardDeviation(zscores));
}