code: @Override
      public void fit(INDArray examples, int[] labels) {
          INDArray outcomeMatrix = FeatureUtil.toOutcomeMatrix(labels, numLabels());
          fit(examples, outcomeMatrix);
  
      }
docs: Fit the model
  
  @param examples the examples to classify (one example in each row)
  @param labels   the labels for each example (the number of labels must match