statsmodels.duration.hazard_regression.PHReg.score_residuals¶
-
PHReg.
score_residuals
(params)[source]¶ Returns the score residuals calculated at a given vector of parameters.
- Parameters
params : ndarray
The parameter vector at which the score residuals are calculated.
- Returns
The score residuals, returned as a ndarray having the same
shape as exog.
Notes
Observations in a stratum with no observed events have undefined score residuals, and contain NaN in the returned matrix.