statsmodels.duration.hazard_regression.PHReg.baseline_cumulative_hazard¶
-
PHReg.
baseline_cumulative_hazard
(params)[source]¶ Estimate the baseline cumulative hazard and survival functions.
- Parameters
params : ndarray
The model parameters.
- Returns
A list of triples (time, hazard, survival) containing the time
values and corresponding cumulative hazard and survival
function values for each stratum.
Notes
Uses the Nelson-Aalen estimator.