Hi,
Something like
bb =
data.frame(label=c("a","b","a","b","c","a","b","c"),val=c(4,2,1,6,4,3,2,
1))
l = split(bb,bb$label)
par(mfrow=c(2,2))
lapply(l,function(a) {boxplot(a$val)})
might be what you are looking for
Martyn
-----Original Message-----
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of deadlyspider
Sent: 29 September 2010 11:02
To: r-help@r-project.org
Subject: Re: [R] Splitting data in to multiple boxplots
Ok, I don't think I was specific enough.
The data originally came in this form
1 a 12
2 b 4
3 a 3
4 c 54
5 a 12
6 b 11
7 c 9
8 c 2
. . .
. . .
. . .
Where I sorted by the second column (NB the second column is the
categories
and they have long names). I would then like separate boxplots for each
category.
The loop idea would be nice but unfortunately I do not fully understand
the
answer given.
Thanks.
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