code: public void init(Model model) {
  	this.model = model;
  	
  	numLabels = model.taggerMaps.numLabels();
  	
  	Mi = new DoubleMatrix(numLabels, numLabels);
  	Vi = new DoubleVector(numLabels);
  	
  	allocateMemory(100);
  	
  	// compute Mi once at initialization
  	computeMi();
      }
docs: Inits the.
  
  @param model the model