On Fri, 29 Jun 2007, Peter Dalgaard wrote: > David Duffy wrote: >>> Waverley <[EMAIL PROTECTED]> asked: >>> >>> Dear Colleagues, >>> >>> I am looking for a package or previous implemented R to subgroup and >>> exaustively divide a vector of squence into 2 groups. >>> >>> -- >>> Waverley @ Palo Alto >>> >> >> Google "[R] Generating all possible partitions" and you will find some R >> code >> from 2002 or so. >> >> > In 2002 this wasn't already in R. These days, help(combn) is more to the > point: > > mn <- sort(zapsmall(combn(sleep$extra,10,mean))) > plot(unique(mn),table(mn)) > abline(v=mean(sleep$extra[1:10])) >
As I read it, the original query is about partitioning the set eg ((1 2) 3) ((1 3) 2) (1 (2 3)). -- | David Duffy (MBBS PhD) ,-_|\ | email: [EMAIL PROTECTED] ph: INT+61+7+3362-0217 fax: -0101 / * | Epidemiology Unit, Queensland Institute of Medical Research \_,-._/ | 300 Herston Rd, Brisbane, Queensland 4029, Australia GPG 4D0B994A v ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
