[Rd] small bug in plot.rpart?

From: <apjaworski_at_mmm.com>
Date: Wed, 15 Oct 2008 13:41:07 -0500


Hi,

This happens in 2.8 and 2.9. I am posting this here because I am not sure if one should use bug.report for reporting bugs in unreleased versions.

I was trying to run the example from the help page of plot.rpart. I got

> library(rpart)
> fit <- rpart(Price ~ Mileage + Type + Country, cu.summary)
> plot(fit, compress=TRUE)

Error in get(getOption("device")) : invalid first argument

This also produces a blank graphics window. When I run the plot command again everything seems to work fine, so the error only occurs when the graphics window is not open.

I use Windows XP SP2. I just compiled the newest RC of 2.8 (R version 2.8.0 RC (2008-10-14 r46714)). I ran "make fullcheck" on it and everything checked out fine.

The same thing happens in 2.9 but it worked fine in 2.7.2.

Andy



Andy Jaworski
518-1-01
Process Laboratory
3M Corporate Research Laboratory

E-mail: apjaworski_at_mmm.com

Tel: (651) 733-6092
Fax: (651) 736-3122

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