Displaying 2 results from an estimated 2 matches for "seval".
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eval
2009 Apr 03
2
Schoenfeld Residuals
...ime/365,rem.Rcens)~all.sex,data=nearma)
and I'm trying to do a plot of Schoenfeld residuals using the code:
plot(cox.zph(coxfita))
abline(h=0,lty=3)
The error message I get is:
Error in plot.window(...) : need finite 'ylim' values
In addition: Warning messages:
1: In sqrt(x$var[i, i] * seval) : NaNs produced
2: In min(x) : no non-missing arguments to min; returning Inf
3: In max(x) : no non-missing arguments to max; returning -Inf
My data (nearma) has a lot of rem.Remtime entries which are equal i.e
large amounts of tied data. If I remove the entries where this is the
case from the d...
2007 Sep 27
1
plot(cox.zph())
...r message when applying the plot function to the cox.zph
object to create the Schoenfeld residual plots.
> plot(zph.revasFit[1])
Error in plot.window(xlim, ylim, log, asp, ...) :
need finite 'ylim' values
In addition: Warning messages:
1: NaNs produced in: sqrt(x$var[i, i] * seval)
2: no non-missing arguments to min; returning Inf in: min(x)
3: no non-missing arguments to max; returning -Inf in: max(x)
Can you please help me with this problem?
Many thanks,
Aihua
Statistiician
University of British Columbia
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