lifelines 0.22.4

v0.22.4

on Python PyPI

0.22.4 - 2019-09-04

New features

• Some performance improvements to regression models.
• lifelines will avoid penalizing the intercept (aka bias) variables in regression models.
• new utils.restricted_mean_survival_time that approximates the RMST using numerical integration against survival functions.

API changes

• KaplanMeierFitter.survival_function_'s' index is no longer given the name "timeline".

Bug fixes

• Fixed issue where concordance_index would never exit if NaNs in dataset.