@property
  def schema(self):
    if not self._schema:
      raise HdfsError('Schema not yet inferred.')
    return self._schema
Calculate response surface equation coefficients using least
dataset/ETHPy150Open mtth/hdfs/hdfs/ext/avro/__init__.py/AvroReader.schema--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO/openmdao/surrogate_models/response_surface.py/ResponseSurface.train