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identifying what labels have been created in a plot

David Winsemius

Fri, Jan 30, 2009 10:59 AM

You might want to look at the pretty function. The code that I have  
seen often calls that function for the creation of axis tick levels  
with min and max as arguments. And its help page suggests that axTicks  
may give you exactly what you were seeking.

David Winsemius

On Jan 30, 2009, at 11:51 AM, Dennis Fisher wrote:

> Colleagues
>
> R 2.8.0; OS X, Vista, Ubuntu Linux
>
> In some instances, when I create a graphic using plot(XVAR, YVAR),  
> it would be valuable to know the values that R will display on the y- 
> axis (e.g., if the range of data is 0-70, it might display 0, 10,  
> 30, 50, 70).   Is there a simple means to access these values?
>
> Also, in some instances, additional ticks appear between the  
> displayed values (in this case, at 20, 40, 60).  Can I obtain the  
> list of the positions of all ticks?
>
> Access to this information permits me to tailor the ticks and labels  
> in a particular manner.
>
> Thanks for any suggestions.
>
> Dennis
>
>
> Dennis Fisher MD
> P < (The "P Less Than" Company)
> Phone: 1-866-PLessThan (1-866-753-7784)
> Fax: 1-415-564-2220
> www.PLessThan.com
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

Thread (4 messages)

Dennis Fisher identifying what labels have been created in a plot Jan 30 Marc Schwartz identifying what labels have been created in a plot Jan 30 jim holtman identifying what labels have been created in a plot Jan 30 David Winsemius identifying what labels have been created in a plot Jan 30