[R] tick marks on both sides of axis

[David Winsemius]

Restoring the broken email chain. I can certainly understand why  
Nabble users are often guilty of doing so at the beginning of their  
participation, but after they have been around the list for a while, I  
would think they should "get the message". If not then:
#--------
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
#-------

>> On Aug 24, 2010, at 9:31 AM, Kay Cichini wrote:
>>
>>>
>>> hello,
>>>
>>> all my attempts to get a plot with tick marks on both sides of  
>>> axis failed -
>>> can someone please help me with this?
>>
>> The path I took to getting a glimmmer of the answer was to look at ? 
>> axTicks and then notice in the "..." arguments description that tck  
>> and tcl controlled tick direction and length. Then ...
>>
>> ?par  # yes, one does need to read the help pages.
>>
>> ... and testing my understanding....
>>
>> > plot(1,1, tck=0.01)
>> > axis(1)
>>
>>
On Aug 24, 2010, at 10:22 AM, Kay Cichini wrote:

>
> ...i'm aware of par("tcl") and par("tck") but i needed tick marks on  
> both
> sides of the axis - meaning to cross the axis perpendicularly -  
> admittedly i
> was clumsy not just calling axis twice, like:
> plot(1)
> axis(2,labels=T,tcl=0.25)
> axis(2,labels=F,tcl=-0.25)

That results in overplotting the outside tick marks and the labels.  
This would have sufficed:

 > plot(1)
 > axis(2,labels=F,tcl=0.25)

-- 

David Winsemius, MD
West Hartford, CT