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

[Duncan Murdoch]

Hi Uwe.

As you suggested in a private mail, the reversed big.mark looks like a 
bug.  I've fixed it for R 2.13.0.

Duncan Murdoch

On 30/12/2010 1:55 PM, 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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>>
>
> ______________________________________________
> R-help at r-project.org mailing list
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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.