[R] Second axis on bottom of graph

David Winsemius dwinsemius at comcast.net
Fri May 16 22:14:39 CEST 2014


On May 16, 2014, at 8:59 AM, Hurr wrote:

> Sorry I didn't catch-on to xlab="" earlier.
> The following code works preliminarily,
> now I need to add an axis-title to the added axis.
> I don't see axistitle in axis command selections.

That's because it is part of the 'title' function.

-- 
David.

> 
> install.packages('plotrix')
> library(plotrix)
> horAxisLims=c(0,7213)
> verData=c(1,365,809,1252,1753,2191,2922,3409,3896,4383,4819,5255,5691,6128,6564,7000)
> #not fussy 
> horData=c(1,300,800,1200,1700,2100,2900,3400,3800,4300,4800,5200,5600,6100,6500,7000)
> #not at tics 
> horTicLocs=c(1,365,809,1252,1753,2191,2922,3409,3896,4383,4819,5255,5691,6128,6564,7000)
> horLabels=c('1Yr','1Da','10.8Hr','7Hr','5Hr','4Hr','3Hr','2.57Hr','2.25Hr','2Hr','1.82Hr','1.67Hr','1.54Hr','1.43Hr','1.34Hr','1.25Hr')
> plot(horData,verData,xaxt='n',xlim=horAxisLims,xlab="")
> axis(1,tick=TRUE,at=horTicLocs,labels=rep("",length(horLabels)))
> staxlab(1,at=horTicLocs,labels=horLabels,srt=90,adj=c(1,0))
> par(mar=c(8,4,4,2)+.1)  #c(bot,lef,top,rit); default:c(5,4,4,2)+.1 
> axis(1,labels=TRUE,tick=TRUE,line=3.5,at=NULL)
> 
> 
> 
> 
> --
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> 
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David Winsemius
Alameda, CA, USA



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