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error message; ylim + log="y"

5 messages · Martin Batholdy, jim holtman, Ravi Varadhan +1 more

jim holtman
# 
like this?
Error in axis(side = side, at = at, labels = labels, ...) :
  CreateAtVector [log-axis()]: axp[0] = 0 < 0!
In addition: Warning messages:
1: In is.na(y) : is.na() applied to non-(list or vector) of type 'NULL'
2: In plot.window(...) :
  nonfinite axis limits [GScale(-inf,4,2, .); log=1]
3: In axis(side = side, at = at, labels = labels, ...) :
  CreateAtVector "log"(from axis()): axp[0] = 0 !


You have no data to plot.  What were you expecting it to do?  When you
say "lot of error messages", please include them and also follow the
posting guide.

On Wed, Nov 18, 2009 at 4:52 PM, Martin Batholdy
<batholdy at googlemail.com> wrote:

  
    

      
      
    

  


  


      

    

    

      
      

        


  

        

      Martin Batholdy
    

    

      
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Well, I get the same error messages when I use real data.
So it has to do with the ylim-values specified.
When I get rid of the ylim argument definition it does work.


But why?
I don't understand why R can't plot a logarithmic y-axis from 1 to 10.000.
It doesn't need data for that, does it?




Am 18.11.2009 um 23:19 schrieb jim holtman:

            

      
      
      
    

        

      
      
    

            

      
      
      
    

  
  


  


      

    

    

      
      

        


  

        

      Ravi Varadhan
    

    

      
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It can plot log axis from 1 to 10, but that is not what you are plotting.
Your ylim includes 0, and you cannot do log(0).  

This will draw the plotting frame that you want:

plot(c(),c(), xlim=c(1,10), ylim=c(1,10), log="y")

Ravi.

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Ravi Varadhan, Ph.D.

Assistant Professor, The Center on Aging and Health

Division of Geriatric Medicine and Gerontology 

Johns Hopkins University

Ph: (410) 502-2619

Fax: (410) 614-9625

Email: rvaradhan at jhmi.edu

Webpage:
http://www.jhsph.edu/agingandhealth/People/Faculty_personal_pages/Varadhan.h
tml

 

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-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On
Behalf Of Martin Batholdy
Sent: Wednesday, November 18, 2009 5:32 PM
To: r help
Subject: Re: [R] error message; ylim + log="y"

            

      
      
      
    

        
Well, I get the same error messages when I use real data.
So it has to do with the ylim-values specified.
When I get rid of the ylim argument definition it does work.


But why?
I don't understand why R can't plot a logarithmic y-axis from 1 to 10.000.
It doesn't need data for that, does it?




Am 18.11.2009 um 23:19 schrieb jim holtman:

            

      
      
      
    

        
why;

            

      
      
      
    

        

      
      
    

        
http://www.R-project.org/posting-guide.html

        

      
      
    

            

      
      
      
    

        
______________________________________________
R-help at r-project.org mailing list
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.

  
  


  


      

    

    

      
      

        


  

        

      Peter Alspach
    

    

      
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Tena koe Martin

This is what I get (it is unclear to me why you don't tell use
specifically what you get):

plot(1,1, xlim=c(1,10), ylim=c(0,10000), log="y", type='n')
Warning message:
In plot.window(...) : nonfinite axis limits [GScale(-inf,4,2, .); log=1]
plot(1,1, xlim=c(1,10), ylim=c(1,10000), log="y", type='n')

Not unreasonably, R has difficulty determining the y axis limits when
you tell it the minimum is log(0).

HTH ....

Peter Alspach