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
It’s a linear world – approximately; and the "Rule of 72"
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You are probably familiar with the "Rule of 72" in investing: if an
investment compounds at annual interest rate i, then the number of years
for m...
10 hours ago
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