[R] Read big data (>3G ) methods ?

Martin Morgan mtmorgan at fhcrc.org
Fri Apr 26 22:12:04 CEST 2013


On 04/26/2013 08:09 AM, Kevin Hao wrote:
> Hi all scientists,
>
> Recently, I am dealing with big data ( >3G  txt or csv format ) in my
> desktop (windows 7 - 64 bit version), but I can not read them faster,
> thought I search from internet. [define colClasses for read.table, cobycol
> and limma packages I have use them, but it is not so fast].

you mention limma; if this is sequence or microarray data then asking on the 
Bioconductor mailing list

   http://bioconductor.org/help/mailing-list/

(no subscription necessary) may be more appropriate, but you need to provide 
more information about what you want to do, e.g., a code chunk illustrating the 
problem.

Martin

>
> Could you share your methods to read big data to R faster?
>
> Though this is an odd question, but we need it really.
>
> Any suggest appreciates.
>
> Thank you very much.
>
>
> kevin
>
> 	[[alternative HTML version deleted]]
>
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