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plotci
2020 Sep 30
0
2 KM curves on the same plot
...t; wrote:
>
> Hi Jim,
>
> I found out why clip() does not work with lines(survfit.object)!
>
> If you look at code of function survival:::lines.survfit, in th middle of the code:
>
> do.clip <- getOption("plot.survfit")
> if (!is.null(xx <- do.clip$plotclip))
> clip(xx[1], xx[2], xx[3], xx[4])
>
> This will reset the clipping to the defualt plot region!
>
> So I just comment out the last 2 lines of the above 3 lines, and created a customized lines2 function. Now it works!
>
> It's fun to learn clip().
>
> Thanks,...