home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!munnari.oz.au!yoyo.aarnet.edu.au!news.adelaide.edu.au!news.adelaide.edu.au!wvenable
- From: wvenable@algona.stats.adelaide.edu.au (Bill Venables)
- Newsgroups: bit.listserv.stat-l
- Subject: Re: *Very* Balanced Block designs
- Date: 10 Nov 92 09:45:30
- Organization: Department of Statistics, University of Adelaide
- Lines: 31
- Message-ID: <WVENABLE.92Nov10094530@algona.stats.adelaide.edu.au>
- References: <Bx778u.J01@unx.sas.com>
- NNTP-Posting-Host: algona.stats.adelaide.edu.au
- In-reply-to: "'s message of Wed, 4 Nov 1992 15:34:06 GMT
-
- >>>>> "Randall" == Randall D. Tobias <Randall> asks:
-
- Randall> Consider a balanced block design in which additionally
-
- Randall> - each triplet of treatments occurs the same number (say, l3)
- Randall> times together in blocks,
-
- Randall> - each quadruplet of treatments occurs the same number (say,
- Randall> l4) times together in blocks,
-
- Randall> and so on, up to, say m-plets of treatments. What are such
- Randall> designs called (triply, quadruply balanced blocked designs?) and
- Randall> where can I find a reference on their existence and construction?
-
- Call a proper, equireplicate, binary incomplete block design a 1-(v,k,b)
- design, and a BIB a 2-(v,k,b) design. They are called (wait for it)
- 3-(v,k,b) designs, 4-(v,k,b) designs, ...! There is some theory for them,
- and a good discussion with some examples is given in:
-
- "Design Theory" by D. R. Hughes and F. C. Piper,
- Cambridge University Press, 1985.
-
- (This came as a surprise to me, too. My colleague Wen-ai Jackson passed
- the information on to me.)
-
- Bill.
-
- --
- ___________________________________________________________________________
- Bill Venables, Dept. of Statistics, | Email: venables@stats.adelaide.edu.au
- Univ. of Adelaide, South Australia. | Tel: +61 8 228 5412 Fax: ...232 5670
-