> I have been experimenting with interactive packages such iplots and  
> playwith. Consider the following sample dataset:
> A B C D
> 1 5 5 9
> 3 2 8 4
> 1 7 3 0
> 7 2 2 6
> Let's say I make a plot of variable A. I would like to be able to  
> click on a data point (e.g. 3) and have a pop-up window tell me the  
> corresponding value for variable D (e.g. 4).


You're right that iplots can't do that (it's on the wishlist), but it  
offers alternatives.  As a multiwindowing package, it is natural to  
have graphics displays open for all variables of current interest.   
This means that selecting a point highlights it in all displays and  
you can see or query the corresponding values.


Antony Unwin
Professor of Computer-Oriented Statistics and Data Analysis,
Mathematics Institute,
University of Augsburg,
86135 Augsburg, Germany
Tel: + 49 821 5982218

antony.unwin@math.uni-augsburg.de

http://stats.math.uni-augsburg.de/




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