[R] Balanced Inc. Block Design

iwhite@staffmail.ed.ac.uk iwhite at staffmail.ed.ac.uk
Wed Jul 31 12:32:43 CEST 2002


Isn't recovery of interblock information just a matter of treating
blocks as random, e.g.

lme(fixed = Y ~ trt,random = ~1|blocks,data=example)

using lme in package nlme?


On 31 Jul 2002, Peter Dalgaard BSA wrote:

> Winfried Theis <theis at statistik.uni-dortmund.de> writes:
>
> > Hello!
> >
> > On 30-Jul-02 Erin Hodgess wrote:
> > > Dear R People:
> > >
> > > How can we do Balanced Incomplete Block Design from R, please?

> For analysis, aov() or (even lm() if systematic block effects are
> assumed) should work.
>
> I'm not too sure how to handle recovery of interblock information from
> aov() output though, but it most often isn't worth the trouble anyway.
>


************************************************
*    I.White                                   *
*    ICAPB, University of Edinburgh            *
*    Ashworth Laboratories, West Mains Road    *
*    Edinburgh EH9 3JT                         *
*    Fax: 0131 667 3210   Tel: 0131 650 5490   *
*    E-mail: i.m.s.white at ed.ac.uk              *
************************************************

-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._



More information about the R-help mailing list