[R] Empty data frame

[Jarosław Jasiewicz]

Gabor Grothendieck pisze:
>> data.frame(a = character(0), b = double(0))
>>     
> [1] a b
> <0 rows> (or 0-length row.names)
>
>
> On Feb 7, 2008 5:48 AM, Jarosław Jasiewicz <jarekj w amu.edu.pl> wrote:
>   
>> Hi
>> Sorry for banal question
>> How to create empty data frame  with for example 30 variables without
>> typying: data.frame(x=1,y=1....)
>> Jarek
>>     
thanks but it is not what I need the problem is with 30 variables: I'd 
like to avoid typing (a=double(0), b=double(0)) etc... thirty times