[adegenet-forum] DAPC scatter plot and individual colour by population

[Rita Castilho]

So, why the warning: "the analysis is no longer optimal in terms of group discrimination”, if it is the same analysis...

Cheers
Rita

On 7 Aug, 2014, at 12:08, Jombart, Thibaut <t.jombart at imperial.ac.uk> wrote:

> 
> Hi
> 
> this is what I understood too. And my answer does exactly that - see the grp argument in ?scatter.dapc.
> 
> Cheers
> Thibaut
> ________________________________________
> From: Emrah Coraman [coramane at gmail.com]
> Sent: 07 August 2014 12:01
> To: Jombart, Thibaut
> Cc: Nicolas Dussex; adegenet-forum at lists.r-forge.r-project.org
> Subject: Re: [adegenet-forum] DAPC scatter plot and individual colour by population
> 
> Hi,
> 
> I think Nic just wants to color the DAPC scatter plot  not with the identified DAPC groups but with their respective population information.
> So I guess he doesn't want to change the group discrimination method.
> 
> Did I get it right?
> 
> Best wishes,
> Emrah
> 
> 
> On 7 August 2014 13:53, Jombart, Thibaut <t.jombart at imperial.ac.uk<mailto:t.jombart at imperial.ac.uk>> wrote:
> Hi there,
> 
> simple, just replace grp$grp with the grouping of individuals you want to use for the plot.
> 
> This said, be aware that the analysis is no longer optimal in terms of group discrimination.
> 
> Best
> Thibaut
> 
> 
> ==============================
> Dr Thibaut Jombart
> MRC Centre for Outbreak Analysis and Modelling
> Department of Infectious Disease Epidemiology
> Imperial College - School of Public Health
> Norfolk Place, London W2 1PG, UK
> Tel. : 0044 (0)20 7594 3658
> http://sites.google.com/site/thibautjombart/
> http://sites.google.com/site/therepiproject/
> http://adegenet.r-forge.r-project.org/
> Twitter: @thibautjombart
> ________________________________________
> From: adegenet-forum-bounces at lists.r-forge.r-project.org<mailto:adegenet-forum-bounces at lists.r-forge.r-project.org> [adegenet-forum-bounces at lists.r-forge.r-project.org<mailto:adegenet-forum-bounces at lists.r-forge.r-project.org>] on behalf of Nicolas Dussex [nicolas.dussex at gmail.com<mailto:nicolas.dussex at gmail.com>]
> Sent: 07 August 2014 02:15
> To: adegenet-forum at lists.r-forge.r-project.org<mailto:adegenet-forum at lists.r-forge.r-project.org>
> Subject: [adegenet-forum] DAPC scatter plot and individual colour by    population
> 
> Hi,
> 
> I built a DAPC scatter plot without using a priori grouping information (i.e. geographically distinct populations) using this simple command line: dapc1 <- dapc(data, grp$grp).
> 
> I obtained three distinct cluster but now I was wondering how I could  represent each individual with a colour corresponding to their sampling origin rather than to their inferred cluster.
> 
> I couldn't find this information on the manual and was hoping I could get some advice on that.
> 
> Thanks for your help!
> Nic
> --
> Nic Dussex PhD
> Department of Zoology
> University of Otago
> 340 Great King Street
> P.O.Box 56
> Dunedin 9054
> New Zealand
> 
> Mobile: 021 02790938
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