1.0 - 8.00 - CoxSurvival Input - Teradata Vantage

Teradata® Vantage Machine Learning Engine Analytic Function Reference

Teradata Vantage
Release Number
Release Date
May 2019
Content Type
Programming Reference
Publication ID
English (United States)
Table Description
Cox_Linear_Predictor_Model_Table CoxPH Output. Has same schema as LinearPredictorTable.
Cox_Coef_Model_Table CoxPH output. Has same schema as CoefficientTable.
Predict_Table Contains prediction variable values.

Predict_Table Schema

Column Data Type Description
prediction_variable Any [Column appears once for each specified prediction_variable.] Prediction variable value.
accumulate_column Any [Column appears once for each specified accumulate_column.] Column to copy to output table.
Predict_Table Example
id x1 x2 x3 x4
1 a b c d

For the row in the preceding table, the function computes this survival probability:

S(t) = S0(t) x1*a + β x2*b + β x3*c + β x4*d)