public smooth ( String perception ) : RandomVariable | ||
perception | String | |
Résultat | RandomVariable |
public void testTwoStepFixedLagSmoothingOnRainManHmm() { FixedLagSmoothing fls = new FixedLagSmoothing(rainmanHmm, 2); RandomVariable smoothedOne = fls.smooth(HmmConstants.SEE_UMBRELLA); // see // umbrella on day one Assert.IsNull(smoothedOne); smoothedOne = fls.smooth(HmmConstants.SEE_UMBRELLA); // see // umbrella on day two Assert.AreEqual(0.653, smoothedOne .getProbabilityOf(HmmConstants.RAINING), TOLERANCE); Assert.AreEqual(0.346, smoothedOne .getProbabilityOf(HmmConstants.NOT_RAINING), TOLERANCE); RandomVariable smoothedTwo = fls.smooth(HmmConstants.SEE_UMBRELLA);// see // umbrella on day 3 Assert.AreEqual(0.894, smoothedTwo .getProbabilityOf(HmmConstants.RAINING), TOLERANCE); Assert.AreEqual(0.105, smoothedTwo .getProbabilityOf(HmmConstants.NOT_RAINING), TOLERANCE); }
public void testOneStepFixedLagSmoothingOnRainManHmm() { FixedLagSmoothing fls = new FixedLagSmoothing(rainmanHmm, 1); RandomVariable smoothedDayZero = fls.smooth(HmmConstants.SEE_UMBRELLA); // see // umbrella on day one Assert.AreEqual(0.627, smoothedDayZero .getProbabilityOf(HmmConstants.RAINING), TOLERANCE); RandomVariable smoothedDayOne = fls.smooth(HmmConstants.SEE_UMBRELLA); // see // umbrella on day two Assert.AreEqual(0.883, smoothedDayOne .getProbabilityOf(HmmConstants.RAINING), TOLERANCE); Assert.AreEqual(0.117, smoothedDayOne .getProbabilityOf(HmmConstants.NOT_RAINING), TOLERANCE); RandomVariable smoothedDayTwo = fls .smooth(HmmConstants.SEE_NO_UMBRELLA); // see no umbrella on // day three Assert.AreEqual(0.799, smoothedDayTwo .getProbabilityOf(HmmConstants.RAINING), TOLERANCE); Assert.AreEqual(0.201, smoothedDayTwo .getProbabilityOf(HmmConstants.NOT_RAINING), TOLERANCE); }
public void testOneStepFixedLagSmoothingOnRainManHmmWithDifferingEvidence() { FixedLagSmoothing fls = new FixedLagSmoothing(rainmanHmm, 1); RandomVariable smoothedDayZero = fls.smooth(HmmConstants.SEE_UMBRELLA);// see // umbrella on day one Assert.AreEqual(0.627, smoothedDayZero .getProbabilityOf(HmmConstants.RAINING), TOLERANCE); RandomVariable smoothedDayOne = fls .smooth(HmmConstants.SEE_NO_UMBRELLA);// no umbrella on day // two Assert.AreEqual(0.702, smoothedDayOne .getProbabilityOf(HmmConstants.RAINING), TOLERANCE); Assert.AreEqual(0.297, smoothedDayOne .getProbabilityOf(HmmConstants.NOT_RAINING), TOLERANCE); }
public void testForwardBackwardAndFixedLagSmoothingGiveSameResults() { List<String> perceptions = new List<String>(); String dayOnePerception = HmmConstants.SEE_UMBRELLA; String dayTwoPerception = HmmConstants.SEE_UMBRELLA; String dayThreePerception = HmmConstants.SEE_NO_UMBRELLA; perceptions.Add(dayOnePerception); perceptions.Add(dayTwoPerception); perceptions.Add(dayThreePerception); List<RandomVariable> fbResults = rainmanHmm .forward_backward(perceptions); Assert.AreEqual(4, fbResults.Count); // RandomVariable fbDayOneResult = fbResults.get(1); // System.Console.WriteLine(fbDayOneResult); FixedLagSmoothing fls = new FixedLagSmoothing(rainmanHmm, 2); Assert.IsNull(fls.smooth(dayOnePerception)); // System.Console.WriteLine(fls.smooth(dayTwoPerception)); // RandomVariable flsDayoneResult = fls.smooth(dayThreePerception); // System.Console.WriteLine(flsDayoneResult); }