After changing "involuntarily" some of the graphics parameters with
the command par() (I did not know that changes with this command are
permanent), now when I made a plot of the survival Kaplan-Meier
function, the Y axis does not start at 1, and the X axis does starts
at 0. The commands that I use are:
-------------
Par command are cumulative PER graphics device. Your "unfortunate"
par commands would not affect a new plot with pdf() for instance.
I often resort to the simple solution of
dev.off() #close the current window
x11() # start a new one
(If not on Unix replace x11 with the appropriate command for your
system).
David's solution is the more elegant one.
Terry T.
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