Plots martingale residuals of a Cox model against fitted values, to check for log-linearity of covariates.
Usage
cox.resid(model)
Arguments
model
a coxph model.
Author(s)
Maxime Herv<c3><a9> <mx.herve@gmail.com>, based on an idea of John Fox.
References
Fox, J. 2002 Cox Proportional-Hazards Regression for Survival Data.
See Also
coxph
Examples
# 'kidney' dataset of package 'survival'
require(survival)
data(kidney)
model <- coxph(Surv(time,status)~age+factor(sex),data=kidney)
cox.resid(model)
Results
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
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Type 'demo()' for some demos, 'help()' for on-line help, or
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> library(RVAideMemoire)
*** Package RVAideMemoire v 0.9-56 ***
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/RVAideMemoire/cox.resid.Rd_%03d_medium.png", width=480, height=480)
> ### Name: cox.resid
> ### Title: Martingale residuals of a Cox model
> ### Aliases: cox.resid
>
> ### ** Examples
>
> # 'kidney' dataset of package 'survival'
> require(survival)
Loading required package: survival
> data(kidney)
> model <- coxph(Surv(time,status)~age+factor(sex),data=kidney)
> cox.resid(model)
>
>
>
>
>
> dev.off()
null device
1
>