xgbse.converters.convert_to_structured¶
Converts data in time (T) and event (E) format to a structured numpy array. Provides common interface to other libraries such as sksurv and sklearn.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
T |
np.array |
Array of times |
required |
E |
np.array |
Array of events |
required |
Returns:
| Type | Description |
|---|---|
np.array |
Structured array containing the boolean event indicator as first field, and time of event or time of censoring as second field |
xgbse.converters.convert_y¶
Convert structured array y into an array of event indicators (E) and time of events (T).
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
y |
structured array(numpy.bool_, numpy.number |
Binary event indicator as first field, and time of event or time of censoring as second field. |
required |
Returns:
| Type | Description |
|---|---|
T ([np.array, pd.Series]) |
Time of events E ([np.array, pd.Series]): Binary event indicator |