The fitted-model interface from_lifelines and sample_params read.
Every lifelines parametric univariate fitter satisfies this once fit: params_ and variance_matrix_ hold the maximum-likelihood estimate and its asymptotic covariance, and cumulative_hazard_at_times evaluates the fitted cumulative hazard. Nothing here is heormodel-specific; it names the subset of a fitted model’s public attributes these two functions use.
# FittedSurvivalModel { #heormodel.survival.FittedSurvivalModel }
```python
survival.FittedSurvivalModel()
```
The fitted-model interface `from_lifelines` and `sample_params` read.
Every `lifelines` parametric univariate fitter satisfies this once fit:
`params_` and `variance_matrix_` hold the maximum-likelihood estimate and
its asymptotic covariance, and `cumulative_hazard_at_times` evaluates the
fitted cumulative hazard. Nothing here is `heormodel`-specific; it names
the subset of a fitted model's public attributes these two functions use.