class_docstr: A factor, with an additional annotation for whether it is coded
  full-rank (includes_intercept=True) or not.
  
  These objects are treated as immutable.
class_docstr_tok: ["A","factor",",","with","an","additional","annotation","for","whether","it","is","coded","full-rank","(","includes_intercept=True",")","or","not",".","These","objects","are","treated","as","immutable","."]
code: def __init__(self, includes_intercept, factor):
      self.includes_intercept = includes_intercept
      self.factor = factor
  
imports: from __future__ import print_function
  from patsy.util import no_pickling
label_desc: Use image node_id 1 to create a new _ExpandedFactor object from inherited base classes: object with example: obj = _ExpandedFactor(includes_intercept, factor)