Postgres + PL/R = magic information swiss army knife

I just wrote up an extensive example using PL/R to build a logistic map for a range of values of r. The end result is a pretty picture generated within the database and handed back to the webserver. Very cool. For complete details, see http://www.joeconway.com/web/guest/pl/r/-/wiki/Main/Bytea+Graphing+Example