Hi:

I need to plot two data sets and then I need to change labels of xaxis. I
can manage to achieve something like it with this:

x<-data.frame(a=c(1,2,3,4,5),b=c(2,4,6,8,10))
y<-data.frame(a=c(3,4,5),b=c(1.5,2,2.5))
xts <- ts(x$b,start=x$a[1])
yts <- ts(y$b,start=y$a[1])
ts.plot(xts,yts,col=c("red","blue"))

But ts.plot does not allow to change x labels. Besides, i need dots. That's
the cause I would lke to know if there is some way to trick plot to do this.

Thanks in advance.

-- 
Felipe

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