[R] Large Dataset

[Simon Pickett]

Yup, it was a typo. But I always try capital if lower case doesnt work,

Sorry.


----- Original Message ----- 
From: "David Winsemius" <dwinsemius at comcast.net>
To: "Simon Pickett" <simon.pickett at bto.org>
Cc: "Edwin Sendjaja" <edwin7 at web.de>; <r-help at r-project.org>
Sent: Tuesday, January 06, 2009 12:40 PM
Subject: Re: [R] Large Dataset


>  When I do it on a Mac installation I get:
>
> Help for the topic "memory" was not found.
>
> Is that a Linux-specific function? Or perhaps you meant to type:
>
> ?Memory
>
> Which does produce useful information.
>
> --  David Winsemius
>
> > sessionInfo()
> R version 2.8.0 Patched (2008-11-14 r46932)
> i386-apple-darwin9.5.0
>
> locale:
> en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>
> attached base packages:
> [1] grid      stats     graphics  grDevices utils     datasets   methods 
> base
>
> other attached packages:
> [1] vcd_1.2-1        colorspace_1.0-0 MASS_7.2-45      rattle_2.4.0
>
> loaded via a namespace (and not attached):
> [1] tools_2.8.0
>
>
> On Jan 6, 2009, at 6:43 AM, Simon Pickett wrote:
>
>> type
>>
>> ?memory
>>
>> into R and that will explain what to do...
>>
>> S
>> ----- Original Message ----- From: "Edwin Sendjaja" <edwin7 at web.de>
>> To: <r-help at r-project.org>
>> Sent: Tuesday, January 06, 2009 11:41 AM
>> Subject: [R] Large Dataset
>>
>>
>>> Hi alI,
>>>
>>> I  have a 3.1 GB Dataset ( with  11 coloumns and lots data in int  and 
>>> string).
>>> If I use read.table; it takes very long. It seems that my RAM is  not 
>>> big
>>> enough (overload) I have 3.2 RAM and  7GB SWAP, 64 Bit Ubuntu.
>>>
>>> Is there a best sultion to read a large data R? I have seen, that 
>>> people
>>> suggest to use bigmemory package, ff. But it seems very  complicated.  I 
>>> dont
>>> know how to start with that packages.
>>>
>>> i have tried to use bigmemory. But I got some kind of errors.  Then  I 
>>> gave up.
>>>
>>>
>>> can someone give me an simple example how ot use ff or bigmemory?or 
>>> maybe re
>>> better sollution?
>>>
>>>
>>>
>>> Thank you in advance,
>>>
>>>
>>> Edwin
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide 
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide 
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
>