code: public void setTrainingLabel(int variable, int value) {
      getVariableMetaDataByReference(variable).put(LogLikelihoodDifferentiableFunction.VARIABLE_TRAINING_VALUE, Integer.toString(value));
    }
docs: Set a training value for this variable in the graphical model.
  
  @param variable The variable to set.
  @param value The value to set on the variable.