These functions are temporarily retained for compatability with older programs, and may transition to defunct status.
survConcordance(formula, data, weights, subset, na.action) # use concordance
survConcordance.fit(y, x, strata, weight) # use concordancefita formula object, with the response on the left of a ~ operator, and
the terms on the right. The response must be a survival object as
returned by the Surv function.
a data frame
as for coxph
predictor, response, strata, and weight vectors for the direct call