Re: [R] ggplot questions

From: hadley wickham <h.wickham_at_gmail.com>
Date: Thu, 05 Jun 2008 12:09:00 -0500

On Wed, Jun 4, 2008 at 2:03 PM, Thompson, David (MNR) <David.John.Thompson_at_ontario.ca> wrote:
> Hello,
>
> A few questions about the following examples:
> 1. Why do the two plotting versions not produce the same result?

Because version one has two layers, and version two has one?

> 2. Is the 'scale_x_continuous' (or *_y_* or *_*_discrete) geom the best
> way to setup grids (as in visual guide-lines) in polar (or for that
> matter, any) coordinate system?

It's one way. Another way is to use geom_hline and geom_vline. (Also note that scale_x_continuous is a _scale_ not a geom)

> 3. Why do these commands appear to generate 3 plot pages each?

Could you provide a bit more detail here please?

Thanks,

Hadley

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

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Received on Thu 05 Jun 2008 - 19:30:23 GMT

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