How to ignore features in mllib

Is it possible to ignore features in mllib? In other words, I would like to have some 'pass-through' data, Strings for example, attached to training examples and test data. A related stackoverflow question: http://stackoverflow.com/questions/30739283/spark-mllib-how-to-ignore-features-when

Re: How to ignore features in mllib

wrote: Is it possible to ignore features in mllib? In other words, I would like to have some 'pass-through' data, Strings for example, attached to training examples and test data. A related stackoverflow question: http://stackoverflow.com/questions/30739283/spark-mllib-how-to-ignore-features