Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Reading large data sets in Stata


From   Stas Kolenikov <skolenik@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Reading large data sets in Stata
Date   Mon, 22 Feb 2010 14:20:27 -0600

On Mon, Feb 22, 2010 at 11:11 AM, Martin Weiss <martin.weiss1@gmx.de> wrote:

> " That's 13Gb of data, right?"
>
>
> Depends very much on the " Average width per variable", as seen in
> http://www.stata.com/support/faqs/data/datacalc.cgi
> If they were all just binary vars, the dataset described by Jibonayan could
> be below 2G.
>

That's the best vs. the worst case scenario. Sure, one or two of the
variables must be identifiers, but you need long identifiers that take 4
bytes of width.

-- 
Stas Kolenikov, also found at http://stas.kolenikov.name
Small print: I use this email account for mailing lists only.

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index