[R] Second axis on bottom of graph

[David L Carlson]

?title

Used for main titles, subtitles, and x/y labels.

David C

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Hurr
Sent: Friday, May 16, 2014 10:59 AM
To: r-help at r-project.org
Subject: Re: [R] Second axis on bottom of graph

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.

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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