1.1 - 8.10 - CoxHazardRatio Output - 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)

The CoxHazardRatio function has one output table, whose schema depends on whether you specify the PredictFeatureColumns syntax element or the PredictFeatureUnitsColumns syntax element.

Output Table Schema (PredictFeatureColumns Specified)

Column Data Type Description
accumulate_column Same as in PredictorValues table [Column appears once for each specified accumulate_column.] Column copied from PredictorValues table.
predict_feature Same as pf_value_column column in PredictorValues table [Column appears once for each specified predict_feature.] Prediction feature value.
predict_feature_ref Same as rf_value_column in ReferenceValues table [Column appears once for each specified predict_feature.] Prediction feature reference value.
hazardratio DOUBLE PRECISION Hazard ratio between prediction feature and reference feature.

Output Table Schema (PredictFeatureUnitsColumns Specified)

Column Data Type Description
accumulate_column Same as in predict_feature_table [Column appears once for each specified accumulate_column.] Column copied from PredictorValues table.
pf_unit_column Same as pf_unit_column column in PredictorValues table [Column appears once for each specified predict_feature.] Unit differences of prediction features (for example, an increase or decrease of 5 units).
hazardratio DOUBLE PRECISION Hazard ratio for unit difference.