I recently aimed to plot a kaplan meier curve with spss however although I have done all the steps according to standards, the software seems to have a problem with ploting the curve and doesnt plot it at all. (Is shown in the picture) Does anybody know how I can solve this issue?
Download a copy of Jared Lander R for everyone available in the z-library and copy his excellent R program. Best wishes David Booth
It seems like both groups are behaving in the same manner.
I am just wondering how you took the variables ????.
You need to take survival status ie. death and the duration of survival.
Duration has been taken correctly on the x-axis I suggest you to check the survival status.
Thank you
Ravi
Hi,
Examining the graph you can clearly see two lines of different colors falling from 1.00 to 0 in the grid between 0 and 5 on the X-axis. If you remove the gridlines you can see that clearly. It must be around 1 to 2.00 on X-axis. You can draw conclusions. There does not seem to be differences, however, check from lo rank test for significance.
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