erikcw wrote: > I have a collection of ordered numerical data in a list. The numbers > when plotted on a line chart make a low-high-low-high-high-low (random) > pattern. I need an algorithm to extract the "significant" high and low > points from this data. > ... > > How do I sort through this data and pull out these points of > significance?
Get a book on statistics. One idea is as follows. If you expect the points to be centred around a single value, you can calculate the median or mean of the points, calculate their standard deviation (aka spread), and remove points which are more than N-times the standard deviation from the median. Jeremy -- Jeremy Sanders http://www.jeremysanders.net/ -- http://mail.python.org/mailman/listinfo/python-list
