code: @Override
      public DataSet vectorize(String text, String label) {
          INDArray input = transform(text);
          INDArray labelMatrix = FeatureUtil.toOutcomeVector(labelsSource.indexOf(label), labelsSource.size());
  
          return new DataSet(input, labelMatrix);
      }
docs: Vectorizes the passed in text treating it as one document
  
  @param text  the text to vectorize
  @param label the label of the text
  @return a dataset with a transform of weights(relative to impl; could be word counts or tfidf scores)