[R] Changing mtext direction, or using text for the margin?

[Michael Rennie]

Any thoughts on what that dirty hack might be or any leads on where to 
start? Perhaps a whole new plot region in the margin or something? Is 
that even possible? I'm having a difficult time imagining how I can do this.

Mike

Uwe Ligges wrote:
>
>
> On 07.01.2013 07:00, Michael Rennie wrote:
>>
>> Hi all,
>>
>> I have read through the archives, but can't find a solution to this
>> problem.
>>
>> I need the text direction on "dependent B", plotted in margin 4, to go
>> top to bottom (opposite what it is now). Here's some sample code:
>>
>> #plot with mtext example
>>
>> par(mgp = c(2,1,0), mfrow=c(2,2), las=1, mar=c(2,2,2,2), omi=
>> c(0.5,0.2,0,0.2))
>>
>> a<-1:10
>> b<-7:16
>> c<-21:30
>>
>> plot(a~b, ylab="", xlab="", xaxt="n")
>> axis(1, at=b, labels=FALSE, tick=TRUE)
>> plot(c~b, ylab="", xlab="", xaxt="n", yaxt="n")
>> axis(1, at=b, labels=FALSE, tick=TRUE)
>> axis(4, at=c(22,24,26,28,30), labels=TRUE, tick=TRUE)
>> plot(a~b, ylab="")
>> plot(c~b, ylab="", yaxt="n")
>> axis(4, at=c(22,24,26,28,30), labels=TRUE, tick=TRUE)
>>
>> mtext(side=1, "independent", outer=TRUE, line=1, padj=1)
>> mtext(side=2, "dependent A", las=0, outer=TRUE, line=0.25)
>> mtext(side=4, "dependent B", las=0, outer=TRUE, line=0.25)
>>
>> I have seen an example in help where i can use text and (srt) to
>> manipulate this with a single panel plot, but not for a multi-panel
>> example. Any help would be greatly appreciated.
>
>
> You cannot do that with mtext, you rather need a dirty hack with 
> text(), I believe.
>
> Best,
> Uwe Ligges
>
>
>
>> Cheers,
>>
>> Mike
>>
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>