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coxSpecial

Special characters in Cox model

Description

Return the special character(s) of the Cox model, e.g. used to indicate the strata variables.

Usage

coxSpecial(object)

## S3 method for class 'coxph'
coxSpecial(object)

## S3 method for class 'cph'
coxSpecial(object)

## S3 method for class 'phreg'
coxSpecial(object)

Arguments

object

The fitted Cox regression model object either obtained with coxph (survival package), cph (rms package), or phreg (mets package).

Details

Must return a list with at least one element strata indicating the character in the formula marking the variable(s) defining the strata.

Author(s)

Brice Ozenne broz@sund.ku.dk

riskRegression

Risk Regression Models and Prediction Scores for Survival Analysis with Competing Risks

v2020.12.08
GPL (>= 2)
Authors
Thomas Alexander Gerds [aut, cre], Paul Blanche [ctb], Rikke Mortensen [ctb], Marvin Wright [ctb], Nikolaj Tollenaar [ctb], John Muschelli [ctb], Ulla Brasch Mogensen [ctb], Brice Ozenne [aut] (<https://orcid.org/0000-0001-9694-2956>)
Initial release

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