gistfile1.txt

  def initializeToCrfPosteriors = {

      _Y = emptyY // Initialize to all 0s

      require (_Y.size == _crfPotentials.size) // Santiy check: both are over tweets
      for (tweet <- 0 until _crfPotentials.size) {
          _forwardBackward.setInput(_crfPotentials(tweet))
         val nodeMarginals = _forwardBackward.getNodeMarginals()
         val nonBorderMarginals = nodeMarginals.slice(1, nodeMarginals.size - 1)

         require (nonBorderMarginals.size == _Y(tweet).size) // Santiy check: both are over tokens
         for (token <- 0 until nonBorderMarginals.size) {
             require (nonBorderMarginals(token).size == _Y(tweet)(token).size) // Santiy check: both are over labels
             for (label <- 0 until nonBorderMarginals(token).size) {
                _Y(tweet)(token)(label) = nonBorderMarginals(token)(label)
             }
         }         
      }
      checkOK // Ensure proper distribution 
  }