Re: [R] Combining several mappings in ggplot2

From: Tribo Laboy <tribolaboy_at_gmail.com>
Date: Thu, 27 Mar 2008 12:36:28 +0900

Hi Hadley,

I am surprised you find time to reply to r-help questions despite your thesis deadline being on Monday. Good luck with it! Yes, I can wait until the new version is ready!

Regards,

TL

On Thu, Mar 27, 2008 at 12:28 PM, hadley wickham <h.wickham_at_gmail.com> wrote:
> On Wed, Mar 26, 2008 at 6:01 AM, Tribo Laboy <tribolaboy@gmail.com> wrote:
> > Apologies! I though that the Orange dataset comes with R, but it is in
> > fact in the package "datasets".
> >
> > So here's another "Orange2" dataset for the example:

> >
> > Tree_v = rep(c(1:5),each = 5)
> > age_v = rep(seq(1,25, by = 5),5) + 10*runif(25)
> > circumference_v <- rep(seq(21,45, by = 5), 5)*Tree_v + 25*runif(25)

> > Orange2 <- data.frame(Tree = as.factor(Tree_v), age = age_v,

> > circumference = circumference_v)
> >
> >
> > This works fine:

> >
> > ggplot(data = Orange2, aes(x = age, y = circumference, color = Tree))
> > + geom_line()
> >
> > These generate errors (included):
> >
> > > ggplot(data = Orange2, aes(x = age, y = circumference, color = Tree, linetype = Tree)) + geom_line()
> > Error in get("check_domain", env = ., inherits = TRUE)(., ...) :
> > Too many values in domain (5 > 4)

> >
> >
> > > ggplot(data = Orange2, aes(x = age, y = circumference, color = Tree)) + geom_line() + scale_linetype_manual(value = c(1:5))
> > Error in unit(values, units, data = data) :
> > 'x' and 'units' must have length > 0
> >
> >
> > What am I doing wrong?

>

> It works fine for me, which implies that it's a bug that I've fixed in
> the development version. I should be releasing a new version soon
> (just as soon as I've handed in my thesis on Monday) so your best bet
> is to wait for that.
>
>
>

> Hadley
>
>

> --
> http://had.co.nz/
>

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