[R] Interactively editing point labels in a graph

[Felix Andrews]

For your situation, perhaps the best option is to save the plot in a
vector format like WMF, PDF or SVG, and open it with an external
editor. Inkscape is a good one.


On 4 February 2010 06:46, trece por ciento <el13porciento at yahoo.com> wrote:
> Thanks, Liviu
> In a first look it seems OK. Two questions:
> 1. Playwith accept directly the plots created by the ca package, but it seems unable to identify the point labels
> For example:
> data(smoke)
> smoke
> ca(smoke)
> plot(ca(smoke))
> playwith(plot(ca(smoke)))
> Then, if I try to identify a label playwith gives the message "Sorry, can not guess the data point coordinates. Please contact the maintainer with suggestions".
> If I ask to select the label from a table playwith sends the following message to RGui: "Error in data.frame(..., check.names = FALSE) :
> arguments imply differing number of rows: 2, 0"
> 2. Can playwith draw ellipses or any other figure around selected points?
>
> (For the first question it seems my fault, but I don't know how to fix it)
>
> Hug
>
> --- On Wed, 2/3/10, Liviu Andronic <landronimirc at gmail.com> wrote:
>
>> From: Liviu Andronic <landronimirc at gmail.com>
>> Subject: Re: [R] Interactively editing point labels in a graph
>> To: "trece por ciento" <el13porciento at yahoo.com>
>> Cc: r-help at r-project.org
>> Date: Wednesday, February 3, 2010, 3:49 AM
>> Hello
>>
>> On 2/3/10, trece por ciento <el13porciento at yahoo.com>
>> wrote:
>> > Dear experts,
>> >  I would like to be able to interactively (if
>> possible, with mouse and clik) edit point labels in graphs,
>> >
>> Try playwith.
>> Liviu
>>
>> > particularly in multivariate graphs, such as the
>> biplots you get after a correspondence analysis (with, for
>> example, package ca), where labels tend to overlap. The
>> graph aspect ratio is relevant (it needs to be mantained).
>> And I'm working with Windows XP.
>> >  In this kind of graphs points in the graph are
>> identified with labels, generally long (see, for example: http://www.white-history.com/Greece_files/hlafreq.jpg),
>> and sometimes -as in the example- it is good to group
>> certain points within ellipses.
>> >  Do you know if exists some package able to do
>> this task?
>> >  Thanks in advance,
>> >  Hug
>> >
>> >  ______________________________________________
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>> >  and provide commented, minimal, self-contained,
>> reproducible code.
>> >
>>
>>
>> --
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>>
>
>
>
>
> ______________________________________________
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>



-- 
Felix Andrews / 安福立
Postdoctoral Fellow
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The Australian National University
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