The CoxPH function has one required input table, which must include the columns described in the following table.
Column Name | Data Type | Description |
---|---|---|
time_interval_column | SMALLINT or INTEGER | Contains the time interval of the input data; that is, end_time - start_time, in any unit of time (for example, years, months, or days). |
event_column | SMALLINT or INTEGER | Contains 1 if the event occurred by end_time and 0 otherwise. (0 represents survival or right-censorship.) |
feature_column | SMALLINT, INTEGER, BIGINT, NUMERIC, or DOUBLE PRECISION | Contains a feature of the input data. The table must have one such column for each column specified by the FeatureColumns argument. (The CategoricalColumns argument can also specify a feature_column as a categorical_column.) |