also, take a look at the "ff" package.
b
On Feb 14, 2008, at 11:43 AM, Greg Snow wrote:
You may want to look at the SQLiteDF package, this allows you to put
your data into an SQLite database and treat that like a normal
vector or
data frame inside of R.
Hope this helps,
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
[EMAIL PROTECTED]
(801) 408-8111
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of _
Sent: Thursday, February 14, 2008 4:32 AM
To: r-devel@r-project.org
Subject: [Rd] Vector binding on harddisk
Hi all,
Using big vectors (more than 4GB) is unfortunately not
possible under Windows or other OS's if not enough RAM exists.
Could it be possible to implement an a new data type in R,
like a vector, but instead holding the information in memory,
the data lies on an file. If data is accessed, the data type
vector get the information automatically from the file.
There is a package out there (named ff) but the accessed
boundary have to be declared by the user this is a disadvantage.
Greetings.
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