CoxSurvival Input - Teradata Vantage

Machine Learning Engine Analytic Function Reference

Product
Teradata Vantage
Release Number
8.10
1.1
Published
October 2019
Language
English (United States)
Last Update
2019-12-31
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B700-4003
lifecycle
previous
Product Category
Teradata Vantage™
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)