[R] How to separate a data set by its factors

[David Winsemius]

On Dec 25, 2009, at 2:00 PM, David Winsemius wrote:

>
> On Dec 25, 2009, at 9:38 AM, James Rome wrote:
>
>> Thanks for the help.
>>
>> I tried making the pdf file as suggested. Acrobat said it was damaged
>> and could not be opened. Is this an R bug?
>
> Hard to say. Graphics devices vary from OS to OS and I am on a Mac  
> using a 64 bit bit version of R 2.10.1. I get no error with opening  
> the pdf file so created using either the native Mac graphic viewer,  
> Preview, or the Adobe Acrobat Reader. To decide whether you have  
> identified a bug you would need to provide full sessionInfo and  
> code, and then someone using your OS could try to reproduce the  
> problem.
>
>> It did make a PostScript file that I was able to distill into PDF,  
>> but
>> it was gray scales. How do I get the color back?
>> And yes, I did do the layout I wanted so I could see how the days
>> compared for each hour.
>>
>> On 12/24/09 4:56 PM, David Winsemius wrote:
>>>
>>>
>>> pdf(test.pdf")

Although I do notice a missing ' " '.

David Winsemius, MD
Heritage Laboratories
West Hartford, CT