docstr: The residual from the cointegrating regression.
docstr_tok: ["The","residual","from","the","cointegrating","regression","."]
code: def resid(self) -> pd.Series:
      """The residual from the cointegrating regression."""
      resid = self._xsection.resid
      resid.name = "Cointegrating Residual"
      return resid
  
imports: from __future__ import annotations
  from typing import Any, NamedTuple, cast
  import pandas
  from statsmodels.iolib.summary import Summary
  from statsmodels.regression.linear_model import OLS, RegressionResults
  import arch.covariance.kernel
  from arch.typing import ArrayLike1D, ArrayLike2D, UnitRootTrend
  from arch.utility.array import ensure1d, ensure2d
  from arch.utility.timeseries import add_trend
label_desc: Use image node_id 5 for calling the ResidualCointegrationTestResult obj's underlying member method code with example usage: obj.resid() and returns: resid