ci.parfm: Confidence Intervals for Hazard Ratios of Covariates of...

Description Usage Arguments Author(s) References See Also Examples

Description

Computes confidence intervals for hazard ratios (exp(coef)) for objects of class parfm.

Usage

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  ci.parfm(x, level=.05, digits=3)

Arguments

x

The fitted model, object of class parfm, obtained as result of the parfm() function.

level

The coverage probability of the confidence interval.

digits

The number of significant digits.

Author(s)

Federico Rotolo [aut, cre], Marco Munda [aut], Andrea Callegaro [ctb]

References

Marco Munda, Federico Rotolo, Catherine Legrand (2012). parfm: Parametric Frailty Models in R. Journal of Statistical Software, 51(11), 1-20. URL http://www.jstatsoft.org/v51/i11/.

See Also

parfm, select.parfm, predict.parfm

Examples

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  library(parfm)

  data("kidney")
  kidney$sex <- kidney$sex - 1

  pfm <- parfm(Surv(time,status) ~ sex + age, cluster="id", 
               data=kidney, dist="exponential", frailty="gamma")

  ci.parfm(pfm)


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