On Jul 15, 2009, at 4:25 PM, John Kolassa wrote:
Dear R-help readers,
I'm trying to substitute my own version of plot.default, in
order to
capture low-level graphics input for further manipulation. I seem
to be
having difficulties getting the versions of functions that I intend
to use
called at the right places.
Specifically, I have an object produced by survfit from the
survival
package, and I want to save the values that plot.survfit would
normally
send to plot.default from the graphics package.
So wouldn't you instead create a modified plot.survfit? Looking at the
plot.survfit code, it appears that the only time plot is called is to
set up the axes (i.e. with ,type="n", )and then other functions are
used to draw the curves.
<snipped recounting of unsuccessful efforts>
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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