Hi Uwe,
I am pleased to inform you that this problem has, following your hint, been
resolved.  I installed 64-bit version of R and I was alright.
Thanks again for your time.
Ogbos

2009/6/24 Uwe Ligges <ligges@statistik.tu-dortmund.de>

>
>
> ogbos okike wrote:
>
>> Hi,
>> I have a data of size 981.1MB(1028707715) and I intend to calculate the
>> length of the data using tapply function in R. I was able to read the data
>> into R but when I tried to use the factor function, I had an error message
>> "Error: cannot allocate vector of size 2.0 Gb".
>> Can anybody tell me what to do? I have tried to increase the size of the
>> memory but I am not sure if R recognizes it as the error message persists.
>> Is there any other thing I need to do for R to recognize the memory
>> increase?
>>
>
>
> My guess is that this is a 32-bit version of R?
> You need some 64-bit OS and 64-bit R or try to decrease the amount/size of
> objects that are in the same time in your memory.
>
> Best,
> Uwe Ligges
>
>
>  Thank you so much for any help.
>> Ogbos
>>
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>>
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>>
>

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