class_docstr: RuleFit
  
  Builds a RuleFit on a parsed dataset, for regression or 
  classification. 
class_docstr_tok: ["RuleFit","Builds","a","RuleFit","on","a","parsed","dataset",",","for","regression","or","classification","."]
docstr: Id of the training data frame.
  
  Type: ``Union[None, str, H2OFrame]``.
docstr_tok: ["Id","of","the","training","data","frame",".","Type",":","``","Union","[","None",",","str",",","H2OFrame","]","``","."]
code: def training_frame(self):
      """
      Id of the training data frame.
  
      Type: ``Union[None, str, H2OFrame]``.
      """
      return self._parms.get("training_frame")
  
imports: from h2o.utils.metaclass import deprecated_params, deprecated_property
  import h2o
  from h2o.estimators.estimator_base import H2OEstimator
  from h2o.exceptions import H2OValueError
  from h2o.frame import H2OFrame
  from h2o.utils.typechecks import assert_is_type, Enum, numeric
label_desc: Use image node_id 2 for calling the H2ORuleFitEstimator obj's underlying member method code with example usage: obj.training_frame() and returns: self