[Rd] Addition of plot=F argument to termplot
Prof Brian Ripley
ripley at stats.ox.ac.uk
Fri Oct 19 19:20:57 CEST 2012
On 19/10/2012 18:15, Terry Therneau wrote:
> I have a suggested addition to termplot.
> We have a local mod that is used whenever none of the termplot options
> is quite right. It is used here almost daily for Cox models in order to
> put the y axis on a risk scale:
> fit <- coxph(Surv(time, status) ~ ph.ecog + pspline(age), data=lung)
> zz <- termplot(fit, se=TRUE, plot=FALSE)
> yy <- zz$age$y + outer(zz$age$se, c(0, -2, 2), '*')
> matplot(zz$age$x, exp(yy), log='y', type='l', lty=c(1,2,2),
> xlab="Age", ylab="Relative risk")
> The return value is a list, each element of which is a dataframe.
> Another use is to overlay the fits from two different models.
> The changes to termplot.R and .Rd are small. Since we're not supposed
> to add attachments to these emails, where to I send the updated files?
bugs.r-project.org is the best place to lodge enhancement suggestions:
it accepts attachments.
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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