On 04/09/2014 06:17 PM, Hurr wrote:
Thanks Jim, Labels for the following are at 0,2,4,6,8,10,12, not data, good.
and omitted where lack of room.

h=c(1.2,2.4,3.1,4.7,5.3,6.2,7.6,8.8,9.7)
v=c(9,8,7,6,5,4,3,2,1)
plot(h,v,xaxt='n',xlim=c(-1,13))
x<-c(1.6,2.6,6.6,9.6,12.9)
axis_labels<-1/pretty(x)
axis(1,at=pretty(x),labels=axis_labels)

Suppose I really did want more control, like where and what exactly

If you want to specify the exact values of the ticks for the "at" argument, just remember to extend the x axis on the initial plot to include all x values. If you want to get the missing labels, look at the staxlab function in the plotrix package.

Jim

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