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Re: Boxplot on factor ord

To: Patrick.Heer@bakom.admin.ch, s-news@lists.biostat.wustl.edu
Subject: Re: Boxplot on factor ord
From: "Richard M. Heiberger" <rmh@temple.edu>
Date: Fri, 7 Oct 2005 08:45:16 -0400
Use an ordered factor


tmp <- data.frame(y=rnorm(21), g=factor(rep(c("C","A","B"),7)))
boxplot(split(tmp$y, tmp$g))
levels(tmp$g)
ordered(tmp$g) <- c("C","A","B")
levels(tmp$X2)
boxplot(split(tmp$y, tmp$g))

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