|Just another Perl shrine|
Re^2: How would you code this?by BrowserUk (Pope)
|on Apr 07, 2016 at 13:35 UTC||Need Help??|
Graff. You've certainly given me considerable food for thought. And a bunch of extra work to do. So "Thank you" and "thaaaanks a bunch" :)
Here is a composite zoom on the 5 differences between your output and mine.
One of, if not the, primary goals of using a discrete filter algorithm, rather than a continuous fitting or smoothing algorithm, is the desire to retain as much of the actual data as possible. Continuous algorithms like moving average, 3-point median and Loess, all have affects upon all the points, not just those at and around the discontinuities; often inventing new points, and subtly shifting existing points well away from the discontinuities; and they also don't guarantee to remove all inflections.
Upshot: I'm going to have to run your algorithm against mine on a few much larger samples and check to ensure that there are no significant downsides to your algorithm. If not, I will be dumping mine in favour of yours.
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