Пример #1
0
 /** Test of getVariance method, of class GeneralDiscrete. */
 @Test
 public void testmeanandvar() {
   System.out.println("test mean and variance");
   Map<Integer, Double> pdf = new HashMap<Integer, Double>(2);
   pdf.put(1, 0.5);
   pdf.put(3, 0.5);
   GeneralDiscrete dist = new GeneralDiscrete(pdf);
   assertEquals(2.0, dist.getMean(), 0.000001);
   assertEquals(1.0, dist.getVariance(), 0.000001);
 }