sksurv.util.
Surv
Helper class to construct structured array of event indicator and observed time.
__init__
Initialize self. See help(type(self)) for accurate signature.
Methods
__init__()
Initialize self.
from_arrays(event, time[, name_event, name_time])
from_arrays
Create structured array.
from_dataframe(event, time, data)
from_dataframe
Create structured array from data frame.
event (array-like) – Event indicator. A boolean array or array with values 0/1.
time (array-like) – Observed time.
name_event (str|None) – Name of event, optional, default: ‘event’
name_time (str|None) – Name of observed time, optional, default: ‘time’
y – Structured array with two fields.
np.array
event (object) – Identifier of column containing event indicator.
time (object) – Identifier of column containing time.
data (pandas.DataFrame) – Dataset.