code: def reg(self, data: ['SASdata', str] = None,
              add: str = None,
              by: str = None,
              code: str = None,
              id: str = None,
              lsmeans: str = None,
              model: str = None,
              out: [str, bool, 'SASdata'] = None,
              random: str = None,
              repeated: str = None,
              slice: str = None,
              test: str = None,
              var: str = None,
              weight: str = None,
              procopts: str = None,
              stmtpassthrough: str = None,
              **kwargs: dict) -> 'SASresults':
          
docs: Python method to call the REG procedure
  
          Documentation link:
          https://go.documentation.sas.com/?cdcId=pgmsascdc&cdcVersion=9.4_3.4&docsetId=statug&docsetTarget=statug_reg_syntax.htm&locale=en
  
          :param data: SASdata object or string. This parameter is required.
          :parm add: The add variable can only be a string type.
          :parm by: The by variable can only be a string type.
          :parm code: The code variable can only be a string type.
          :parm id: The id variable can only be a string type.
          :parm lsmeans: The lsmeans variable can only be a string type.
          :parm model: The model variable can only be a string type.
          :parm out: The out variable can be a string, boolean or SASdata type. The member name for a boolean is "_output".
          :parm random: The random variable can only be a string type.
          :parm repeated: The repeated variable can only be a string type.
          :parm slice: The slice variable can only be a string type.
          :parm test: The test variable can only be a string type.
          :parm var: The var variable can only be a string type.
          :parm weight: The weight variable can only be a string type.
          :parm procopts: The procopts variable is a generic option available for advanced use. It can only be a string type.
          :parm stmtpassthrough: The stmtpassthrough variable is a generic option available for advanced use. It can only be a string type.
          :return: SAS Result Object