[R] x-axis plot problem

[David Winsemius]

On Feb 7, 2010, at 3:22 PM, abotaha wrote:

>
> Hi all,
> I tried to have plot of many vector in one plot and i have got a  
> nice plot
> but i have problem with x-axis. I want to have month and year  
> only(Jul.07
> means July 2007) in x-axis without appearing other number behaind it.

I'm going to assume that you did not want that period between the Mon  
and Yr since you did not include it in your label strings.


>
> I would appercit any help.
>
> The R code:
>
> F<-c(7.49,6.91,6.78,6.99,7.44,7.42)
> M<-c(4.81,4.51,5.21,4.65,4.75,3.86)
> P<-c(7.49,15.03,15.19,15.32,15.42,15.45)
> B<-c(16.24,15.87,12.94,11.82,10.86,9.61)
>
> time<-c("Jul/07","Aug/07","Sep/07","Oct/07","Nov/07","Dec/07")
> model<-data.frame(F,M,P,B)
> row.names(model)<-c("Jul07","Aug07","Sep07","Oct07","Nov07","Dec007")
> model
>
> par(mgp=c(2, 1, 0),bty="o" )
> matplot(model, pch = c(1,22,17,16), type = "o",lty=c(2,2,2,5), col
> =c("gray10"," gray10","gray10","gray10"),xlab="Month- 
> Year",ylab="Zinth",
> xaxs = "i", yaxs = "i",main="Model Output")

# Change the xaxs="i" to xaxt="n" to suppress the numbers 1:6 from  
being stuck under the labels you later lay down with the axis command.

> legend("topleft", legend = c("F", "M","P","B"),text.width =
> strwidth("1,000,000,"),pch=c(1,22,17,16),col =c("gray10","
> gray10","gray10","gray10"),lty=c(2,2,2,5), xjust = 1, yjust = 1,  
> bty="n",
> cex=0.8, ncol=2)
> axis(1, 1:6, row.names(model))
> -- 
> View this message in context: http://n4.nabble.com/x-axis-plot-problem-tp1472286p1472286.html
> Sent from the R help mailing list archive at Nabble.com.
>
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT