Rachel, Michael Friendly at York University:
http://www.math.yorku.ca/SCS/friendly.html
is doing wonderful work on visualizing
categorical data.
See also some earlier work that
I did with Kris Mosurksi and Russell Almond:
http://www.stat.washington.edu/tech.reports/explanation.ps
Cheers, David
- --- Rachel Cunningham <rachelc@cra.com> wrote:
> Hello all,
>
> I work for a company that's trying to put together a
> useful and
> user-friendly (!) belief net application. This
> involves representing a great
> deal of probabilistic information--a priori
> probabilities of nodes, actual
> (current) probabilities of nodes, and conditional
> probability tables (CPTs)
> representing relationships between nodes. There is
> also data entry
> associated with all these values.
>
> Our research shows that the best existing
> applications use histograms to
> show most of these things when it's easy, but that
> none have a friendly
> interface for the entering or viewing of CPTs. Does
> anyone know of other
> work that is being done on this problem? Any
> resources for graphical entry
> of uncertain data in general? Any pointers would be
> greatly appreciated.
>
> Regards,
>
> Rachel Cunningham
>
>
> ---------------------------------------------
> Rachel Cunningham (617) 491-3474 x519
> Scientist rachelc@cra.com
> Charles River Analytics http://www.cra.com
> ---------------------------------------------
>
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