public void testMultinomial () { double[] c = new double[] {.2, .3, .1, .4}; Multinomial m = new Multinomial (c); assertTrue (m.probability (0) == .2); }
public static void main (String[] args) { junit.textui.TestRunner.run (suite()); }
public void testMultinomial () { double[] c = new double[] {.2, .3, .1, .4}; Multinomial m = new Multinomial (c); assertTrue (m.probability (0) == .2); }
public static void main (String[] args) { junit.textui.TestRunner.run (suite()); }
public void testEstimating () { Alphabet dict = new Alphabet (); Multinomial.Estimator e = new Multinomial.LaplaceEstimator (dict); FeatureSequence fs = new FeatureSequence (dict); fs.add (dict.lookupIndex ("a")); fs.add (dict.lookupIndex ("n")); fs.add (dict.lookupIndex ("d")); fs.add (dict.lookupIndex ("r")); fs.add (dict.lookupIndex ("e")); fs.add (dict.lookupIndex ("w")); fs.add (dict.lookupIndex ("m")); fs.add (dict.lookupIndex ("c")); fs.add (dict.lookupIndex ("c")); fs.add (dict.lookupIndex ("a")); fs.add (dict.lookupIndex ("l")); fs.add (dict.lookupIndex ("l")); fs.add (dict.lookupIndex ("u")); fs.add (dict.lookupIndex ("m")); //System.out.println (fs.toString()); e.increment (fs); assertTrue (e.size() == 10); Multinomial m = e.estimate (); assertTrue (m.size() == 10); assertTrue (m.probability (dict.lookupIndex ("a")) == (2.0+1)/(14.0+10)); assertTrue (m.probability ("w") == (1.0+1)/(14.0+10)); Multinomial.Logged ml = new Multinomial.Logged (m); assertTrue (m.logProbability ("w") == ml.logProbability ("w")); }
public void testEstimating () { Alphabet dict = new Alphabet (); Multinomial.Estimator e = new Multinomial.LaplaceEstimator (dict); FeatureSequence fs = new FeatureSequence (dict); fs.add (dict.lookupIndex ("a")); fs.add (dict.lookupIndex ("n")); fs.add (dict.lookupIndex ("d")); fs.add (dict.lookupIndex ("r")); fs.add (dict.lookupIndex ("e")); fs.add (dict.lookupIndex ("w")); fs.add (dict.lookupIndex ("m")); fs.add (dict.lookupIndex ("c")); fs.add (dict.lookupIndex ("c")); fs.add (dict.lookupIndex ("a")); fs.add (dict.lookupIndex ("l")); fs.add (dict.lookupIndex ("l")); fs.add (dict.lookupIndex ("u")); fs.add (dict.lookupIndex ("m")); //System.out.println (fs.toString()); e.increment (fs); assertTrue (e.size() == 10); Multinomial m = e.estimate (); assertTrue (m.size() == 10); assertTrue (m.probability (dict.lookupIndex ("a")) == (2.0+1)/(14.0+10)); assertTrue (m.probability ("w") == (1.0+1)/(14.0+10)); Multinomial.Logged ml = new Multinomial.Logged (m); assertTrue (m.logProbability ("w") == ml.logProbability ("w")); }