[R] Why is format(10000, big.mark = "\\,") not 10\,000?

[Marius Hofert]

Ahhh, great! 
I knew it will be correct if the output is directed to a file, but I wanted it for the console [which is perfectly solved by cat()]. 

Thanks, Uwe.

Cheers,

Marius


On 2010-12-30, at 19:55 , Uwe Ligges wrote:

> 
> 
> On 30.12.2010 19:53, Marius Hofert wrote:
>> Dear Uwe,
>> 
>>> Actually I expected
>>> 
>>> format(10000, big.mark = "\\\\,")
>>> 
>>> to work (you need to double excape the backslashes here).
>> 
>> this I also tried :-)
>> 
>>> 
>>> But the two characters are reversed due to the code in prettyNum(). Not sure if it is expected, but the user was probably not expected to use more than a single character as the big.mark.
>>> 
>>> You can get it right by reversing as in:
>>> 
>>> format(10000, big.mark = ",\\\\")
>> 
>> but then I get "10\\,000" instead of "10\,000".
> 
> No, you get "10\,000" which is represented by R when printed as "10\\,000". If you want it as output export it by write......() or just use cat() as in:
> 
> cat(format(10000, big.mark = ",\\\\"))
> 
> Uwe
> 
> 
> 
> The reason why I want to have "10\,000" is for use in LaTeX. If I produce the format "10\\,000" in a table, then xtable gives me 10$\backslash$,000 for the corresponding cell entry, which is wrong :-(. Do you know a trick for that?
>> 
>> Cheers,
>> 
>> Marius
>> 
>>> 
>>> 
>>> Uwe Ligges
>>> 
>>> 
>>> 
>>> 
>>> On 30.12.2010 19:32, Marius Hofert wrote:
>>>> Hi,
>>>> 
>>>> why does format(10000, big.mark = "\\,") not give me "10\,000"? How can I get this kind of "big.mark"?
>>>> 
>>>> Cheers,
>>>> 
>>>> Marius
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