code: def make_master_binding():
    
    ggplot = make_ggplot2_binding("ggplot")
    def _ggplot(data, *args, **kwargs):
      data_var = data
      if not isinstance(data, basestring):
        data_var = "data"
      else:
        data = None
      stmt = ggplot(data_var, *args, **kwargs)
      stmt.data = data
      return stmt
    return _ggplot
docs: wrap around ggplot() call to handle passed in data objects