Re: [R] Very slow read.table on Linux, compared to Win2000 [Broad cast]

From: Patrick Connolly <p_connolly_at_ihug.co.nz>
Date: Thu 29 Jun 2006 - 08:45:37 EST

On Wed, 28-Jun-2006 at 04:43PM -0700, Alberto Murta wrote:

|> I have a pentium 4 pc with 256 MB of RAM, so I made a text file, tab
|> separated, with column names and 15000 x 483 integers:
|>
|> > system("ls -l teste.txt")
|> -rw-r--r-- 1 amurta amurta 16998702 Jun 28 16:08 teste.txt
|>
|> the time it took to import it was around 15 secs:
|>
|> > system.time(teste <- read.delim("teste.txt"))
|> [1] 15.349 0.244 16.597 0.000 0.000
|>
|> so I think lack of RAM must not be the main problem.
|> Cheers
|>
|> Alberto
|>
|>
|> > version
|> _
|> platform i386-unknown-freebsd6.1
|> arch i386
|> os freebsd6.1
|> system i386, freebsd6.1
|> status
|> major 2
|> minor 3.1
|> year 2006
|> month 06
|> day 01
|> svn rev 38247
|> language R
|> version.string Version 2.3.1 (2006-06-01)

Doesn't tell us about your window manager. I'd suspect you're using a light one.

-- 
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.   
   ___    Patrick Connolly   
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 _( Y )_  	  	        Middle minds discuss events 
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 (_)-(_)  	                           ..... Anon
	  
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Received on Thu Jun 29 19:37:43 2006

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