public SDVariable unsortedSegmentMax(SDVariable data, SDVariable segmentIds,
      SDVariable numSegments) {
    SDValidation.validateNumerical("unsortedSegmentMax", "data", data);
    SDValidation.validateNumerical("unsortedSegmentMax", "segmentIds", segmentIds);
    SDValidation.validateInteger("unsortedSegmentMax", "numSegments", numSegments);