[R] difficulies with boxplot

[Frias, Jesus]

Hi Nina,

	I just happened to be making a very similar plot last week. You
should limit your plotting region in the first boxplot that you make using
ylim and then make the second boxplot using the option add=T. The way I did
my plot was (I hope is of use for your own one):
 
boxplot(ntr~Temp,data=trpo4.sel,col="orange",at=c(1,2,3,4,5),ylab="log(-log(
n/no))-log(Time)",xlab="Temperature (C)",ylim=c(-2,0.5))
boxplot(ntr~Temp,data=cappo4.sel2,col="yellow",add=T,at=c(1,3,4,5),pch=5)
legend(3, -1.5, c("Capillar", "Thermorresistometer"),fill = c("yellow",
"orange"))

the different "at" there is because I lack one level of the study in the
second dataset.

Last but not least you should update your version of R. I think that one is
quite old.


cheers,

IOsu

-----Original Message-----
From: Nina Lieske
To: r-help at stat.math.ethz.ch
Sent: 8/23/01 8:43 AM
Subject: [R] difficulies with boxplot

Dear list,

sorry for bothering you with a probably simple question... I searched
the archive but couldn't find the right answer.

I have computed  upper and lower bounds of  a region and would like to
plot them in a boxplot. My problem is now to get the two boxplots in the
same graphic so that the boxplot of the upper bounds is directly on top
of the boxplot of the lower bounds. The reason I don't want to have them
next to each other is that I have another  "grouping" variable. I tried
"add" but didn't succeed.

I'm using R 0.64.2 on Windows NT.

Thanks for your help,
Nina Lieske

--
Das Recht auf Dummheit gehört zur Garantie der freien Entfaltung der
Persönlichkeit. [Mark Twain]


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