Message-ID: <x2ya502gap.fsf@blueberry.kubism.ku.dk>
Date: 2000-05-24T14:06:54Z
From: Peter Dalgaard
Subject: Followup: Re: [R] Interaction Plots in R
In-Reply-To: Prof Brian D Ripley's message of "Wed, 24 May 2000 14:33:50 +0100 (BST)"
Prof Brian D Ripley <ripley at stats.ox.ac.uk> writes:
> The current plan is to put an S-compatible version of interaction.plot
> into 1.1.0.
...
> > I am just curious why nobody brought this interaction plot idea up, since R has be around
> > for quite a few years!
>
> I think that shows how little interaction plots are used.
..or how easy it often is to get a plot with equivalent information
with matlines(). I actually hadn't noticed the existence of
interaction.plot() before.
We might need a general "trace grapher" including continuous variables
instead of factors and handling unbalanced designs, e.g. plot data vs.
time for each person, with different symbols for different groups.
Maybe also with fixups for missing values, etc. (Now don't tell me
such a thing already exists!)
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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