Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: random allocation three-way cross-over design
From
Stas Kolenikov <[email protected]>
To
[email protected]
Subject
Re: st: random allocation three-way cross-over design
Date
Sat, 1 May 2010 10:42:25 -0500
On Sat, May 1, 2010 at 8:30 AM, Hadewijch Vandenheede
<[email protected]> wrote:
> I wish to generate a randomization scheme for a 3-way cross-over study with
> three treatments.
>
> I'm trying to establish such scheme with 'ralloc' but it doesn't seem to
> work out, because it can only handle 2-way cross-over designs.
>
> Is there another way of doing this?
I know very little about experiment design (although I took a couple
of classes back in grad school 10 years ago), but I imagine that if
you can get the complete design matrix, you can permute its rows and
randomly assign your experimental units to these rows.
--
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/