[R] x-axis tick marks on log scale plot

[Brian Smith]

Thanks all !!

On Thu, May 19, 2016 at 9:55 AM, Ivan Calandra <ivan.calandra at univ-reims.fr>
wrote:

> Hi,
>
> You can do it by first plotting your values without the x-axis:
> plot(x,y,log="xy", xaxt="n")
>
> and then plotting the x-axis with ticks where you need to:
> axis(side=1, at=seq(2000,8000,1000))
>
> HTH,
> Ivan
>
> --
> Ivan Calandra, PhD
> Scientific Mediator
> University of Reims Champagne-Ardenne
> GEGENAA - EA 3795
> CREA - 2 esplanade Roland Garros
> 51100 Reims, France
> +33(0)3 26 77 36 89
> ivan.calandra at univ-reims.fr
> --
> https://www.researchgate.net/profile/Ivan_Calandra
> https://publons.com/author/705639/
>
>
> Le 19/05/2016 à 15:40, Brian Smith a écrit :
>
>> Hi,
>>
>> I have a plot with log scale on the axes. How do I add ticks and labels in
>> addition to the ones provided by default? Can I specify where I want the
>> ticks and labels?
>>
>> For example:
>>
>> set.seed(12345)
>> x <- sample(1:10000,10)
>> y <- sample(1:10000,10)
>>
>> plot(x,y,log="xy")
>>
>>
>> For me, this plot has tick marks (and labels) at 2000, 4000, 6000, 8000.
>> How can I make the axes so that it has marks and labels at 1000 intervals
>> (i.e. 2000, 3000, 4000, etc.)
>>
>> thanks!
>>
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>>
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>>
>>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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