[R] plot custom x axis ticks values

Jim Lemon jim at bitwrit.com.au
Fri Feb 15 04:13:57 CET 2013

On 02/14/2013 09:41 PM, e-letter wrote:
> Readers,
> For this data set:
> testvalues<-c(10,20,30,40)
> How to amend the plot instruction:
> plot(testvalues,ann=FALSE,type='l',yaxt='n',xaxt='n')
> so that x axis ticks labels can be added to existing graph with
> arbitrary value such as 0,100,200,300)?
Hi r2151,
If you want the labels to fit on the axis you will have to include this 
information in the call to "plot":


As you may be adding more values after the first set, the same goes for 
the X axis if there are different numbers of Y values.


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