[BioC] EdgeR plotSmear varied size fo de.tag points

Gordon K Smyth smyth at wehi.EDU.AU
Fri Jan 31 01:47:23 CET 2014

By default, plotSmear() uses round circles (pch=19) for all points.

You may be seeing a glitch in the resolution of your plot device, but it 
is not a plotSmear() feature.  plotSmear() uses the same symbol for all 

Also, could you please upgrade to the current release (edgeR 3.4.2):



> Date: Wed, 29 Jan 2014 12:07:44 +0000
> From: Dave Gerrard <david.gerrard at manchester.ac.uk>
> To: "bioconductor at r-project.org" <bioconductor at r-project.org>
> Subject: [BioC] EdgeR plotSmear varied size fo de.tag points
> When I use plotSmear (edgeR_3.2.4), I notice that the point size for for
> some of the de.tags are different to the others. Most are regular filled
> circles, the same size as the non-de genes but then some are small '+'
> symbols.  Does anyone know what this signifies and how it is controlled.
> Thanks,
> Dave Gerrard
> -- 
> david.gerrard at manchester.ac.uk
> Bioinformatics | The University of Manchester | Michael Smith Building |
> Room B.1081 | Oxford Road | Manchester | M13 9PT
> T: 0161 275 1565
> http://personalpages.manchester.ac.uk/staff/David.Gerrard/

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