Package edu.umd.hooka.alignment

Examples of edu.umd.hooka.alignment.PerplexityReporter

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    ac.normalize();
    System.out.println("OLD:\n" + at);
    System.out.println("NEW:\n" + ac);
    System.out.println("\nnew:\n"+tc);
    //if (true) return;
    PerplexityReporter cr = new PerplexityReporter();
    Alignment a = hmm.viterbiAlign(pp, cr);
    double ce1 = cr.getCrossEntropy();
    System.out.println(a.toStringVisual() + "\n"+cr);
    assertTrue(a.aligned(0, 0));
    System.out.println(hmm.backtrace);
    hmm = new HMM(tc, ac);
    hmm.buildHMMTables(pp);
    cr.reset();
    a = hmm.viterbiAlign(pp, cr);
    double ce2 = cr.getCrossEntropy();
    // perplexity should decrease!
    assertTrue(ce1 > ce2);
    assert(tc.get(1,1) > 0.0f);
    System.out.println(a.toStringVisual() + "\n" + cr + "\nPG::\n" + hmm.computeAlignmentPosteriors(pp));
    assertEquals(a.getELength(), e.size());
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    Phrase f = new Phrase(fw, 1);
    Phrase e = new Phrase(ew, 1);
    PhrasePair pp = new PhrasePair(f, e);
    hmm = new HMM(tt, at);
    hmm.buildHMMTables(pp);
    PerplexityReporter cr = new PerplexityReporter();
    Alignment a = hmm.viterbiAlign(pp, cr);
    assertEquals(a.getELength(), e.size());
    assertEquals(a.getFLength(), f.size());
    System.out.println(a.toStringVisual() + "\n"+cr);
  }
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    Phrase e = new Phrase(ew, 1);
    PhrasePair pp = new PhrasePair(f, e);
    tt.normalize();
    hmm = new HMM(tt, at);
    hmm.buildHMMTables(pp);
    PerplexityReporter cr = new PerplexityReporter();
    Alignment a = hmm.viterbiAlign(pp, cr);
    assertEquals(a.getELength(), e.size());
    assertEquals(a.getFLength(), f.size());
    System.err.println(hmm.emission);
    System.err.println(hmm.transition);
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    hmm.addPartialJumpCountsToATable(ac);
    System.out.println("COUNTS:\n" + tc);
    tc.normalize();
    ac.normalize();
   
    PerplexityReporter cr = new PerplexityReporter();
    Alignment a = hmm.viterbiAlign(pp, cr);
    assertEquals(a.getELength(), e.size());
    assertEquals(a.getFLength(), f.size());
    AlignmentPosteriorGrid pg = hmm.computeAlignmentPosteriors(pp);
    System.out.println(a.toStringVisual() + "\nPG:\n"+pg + "\n"+cr + "\n");
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Related Classes of edu.umd.hooka.alignment.PerplexityReporter

  • edu.umd.hooka.alignment.hmm.HMMTest
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