Generate the PMML representation for a coxph object from the package survival.
Generate the PMML representation for a coxph object from the package survival.
## S3 method for class 'coxph' pmml( model, model_name = "CoxPH_Survival_Regression_Model", app_name = "SoftwareAG PMML Generator", description = "CoxPH Survival Regression Model", copyright = NULL, transforms = NULL, missing_value_replacement = NULL, ... )
model |
A coxph object. |
model_name |
A name to be given to the PMML model. |
app_name |
The name of the application that generated the PMML. |
description |
A descriptive text for the Header element of the PMML. |
copyright |
The copyright notice for the model. |
transforms |
Data transformations. |
missing_value_replacement |
Value to be used as the 'missingValueReplacement' attribute for all MiningFields. |
... |
Further arguments passed to or from other methods. |
A coxph object is the result of fitting a proportional hazards regression
model, using the coxph function from the package survival. Although
the survival package supports special terms "cluster", "tt" and
"strata", only the special term "strata" is supported by the pmml
package. Note that special term "strata" cannot be a multiplicative variable
and only numeric risk regression is supported.
Graham Williams
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