Package cc.mallet.grmm.inference

Examples of cc.mallet.grmm.inference.TRP.lookupMarginal()

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    // check no exceptions thrown when asking for all marginals,
    //  and check that at least one factors' belief has changed
    //  from the choice at zero iterations.
    for (Iterator it = grid.factorsIterator (); it.hasNext();) {
      Factor f = (Factor) it.next ();
      Factor marg = trp.lookupMarginal (f.varSet ());// test no exception thrown
      if (!marg.almostEquals (f.duplicate ().normalize ())) {
        oneIsDifferent = true;
      }
    }
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    FactorGraph sliced = (FactorGraph) fg.slice (assn);
    Inferencer bp = new TRP ();
    bp.computeMarginals (sliced);

    try {
      bp.lookupMarginal (new Variable (2));
      fail ("Expected exception");
    } catch (IllegalArgumentException e) {
      // expected
      System.out.println ("OK: As expected, got exception "+e);
    }
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    FactorGraph sliced = (FactorGraph) fg.slice (assn);
    Inferencer bp = new TRP ();
    bp.computeMarginals (sliced);

    try {
      bp.lookupMarginal (new Variable (2));
      fail ("Expected exception");
    } catch (IllegalArgumentException e) {
      // expected
      System.out.println ("OK: As expected, got exception "+e);
    }
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