1.1 - 8.10 - CoxSurvival Input - Teradata Vantage

Teradata Vantage™ - Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
1.1
8.10
Release Date
October 2019
Content Type
Programming Reference
Publication ID
B700-4003-079K
Language
English (United States)
Table Description
CoxLinearPredictors CoxPH Output. Has same schema as LinearPredictorTable.
CoxCoeffModel CoxPH output. Has same schema as CoefficientTable.
PredictorValues Contains prediction variable values.

PredictorValues 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 OutputTable.
PredictorValues 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)