> In other words: this approach for detecting outliers is nothing more thanÂ
> a very rough, and very bad, heuristic, and should be avoided. Heh, very true but the results will only be used for conversational purposes. I am making an assumption that the data is normally distributed and I do expect valid results to all be very nearly the same. > You can read up more about outlier detection, and the difficulties > thereof, here: I much appreciate the links and the thought in the post. I'll admit I didn't realize outlier detection was as involved. Again, thanks! jlc -- http://mail.python.org/mailman/listinfo/python-list