[R] Re : Re : Adding mean line to a lattice density plot
Pascal Oettli
kridox at ymail.com
Thu Mar 8 15:09:54 CET 2012
Hi Kimmo,
Unfortunately, I can't visualize the attachment. Could you provide an example I can reproduce?
Regards,
Pascal
----- Mail original -----
De : K. Elo <maillists at nic.fi>
À : r-help at r-project.org
Cc :
Envoyé le : Jeudi 8 mars 2012 22h38
Objet : Re: [R] Re : Adding mean line to a lattice density plot
Hi,
thank you, Pascal, for your quick reply. Unfortunately your suggestion is not working. Please have a look on the attachment, I have added manually the mean lines I am trying to plot. The problem with 'abilne' seems to be that the argument 'v' is relative to the graph area, not the x-axis scale. Thus, plottingat v='mean' won't work...
Any suggestions?
Kind regards,
Kimmo
08.03.2012 09:49, Pascal Oettli wrote:
> Hi Kimmo,
>
> You can try to use the "layer" function from "latticeExtra" library:
>
> densityplot(~PV1CIV, groups=SGENDER, data=ISGFINC2,
> lwd=2, col=1, lty=c(1,2), pch=c("+","o"),
> key=list(text=list(lab=levels(ISGFINC2$SGENDER), col=1),
> space="bottom", columns=2, border=T, lines=T, lwd=2,
> lty=c(1,2), col=1), ref=T, plot.points=F) + layer(panel.abline(v=mean(PV1CIV[ SGENDER==1 ])))
>
> Regards,
> Pascal
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