- New API for
CoxPHFitter
andAalenAdditiveFitter
: the default arguments forevent_col
andduration_col
.duration_col
is now mandatory, andevent_col
now accepts a column, or by default,None
, which assumes all events are observed (non-censored). - Fix statistical tests
- Allow negative durations in Fitters
- New API in
survival_table_from_events
:min_observations
is replaced bybirth_times
(defaultNone
). - New API in
CoxPHFitter
for summary:summary
will return a dataframe with statistics,print_summary()
will print the dataframe (plus some other statistics) in a pretty manner. - Adding "At Risk" counts option to univariate fitter
plot
methods,.plot(at_risk_counts=True)
. - Fix Epanechnikov kernel.