Dear R-help list members,
I am trying to create my own axes when plotting a cumulative incidence
curve using the plot.cuminc function in the CMPRSK library. The default
x-axis places tick marks and labels at 0, 20, 40, 60, and 80 (my data has
an upper limit of 96), whereas I want them at my own specified locations.
Here is my example code:
library(cmprsk)
attach(MYDATA)
MYCUMINC <-
cuminc(ftime=TIME,fstatus=STATUS,group=GROUP,rho=0,cencode=0,na.action=na.omit)
plot(MYCUMINC,xlim=c(0,96),ylim=c(0,0.5),xlab="",axes=F)
axis(1,at=c(0,8,16,24,32,48,72,96))
As you can see, I have tried using the "axes=F" parameter that works for
most plotting functions, but I get the following error message:
Error in legend(wh[1], wh[2], legend = curvlab, col = color, lty = lty, :
unused argument(s) (axes ...)
Is there anyway I can get a customized x-axis when using the plot.cuminc
function? I have searched online and R help manuals to no avail and would
GREATLY appreciate your input. Please let me know if you need additional
info from me.
Thanks,
Amy
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