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I'm looking for a way to create a sort of weighted moving average
where the weighting function is some function and a lookback period.
For example I'd like to experiment with a parabolic weighting
function
p=21
an array x=1 to p
weighting_function=x^2
The concept I'm refering to is very similar to a regular weighted
moving average. The weighting function for that type of average is
simply the 'x' array I described above.
Is there a built-in AFL function to do something like this or would
I have to do my own loop to accomplish it. I have done it with a
loop, but I'm looking for something that operates quicker.
Any suggestions would be appreciated.
-ace
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