Re: vectorized moving average?

[Francesco Potortì]

>Does anyone know how to take an n-day weighted moving average of a vector
>without using a for-loop?

Use the filter function.

> I looked at the M code for movavg() and it uses a
>for-loop, so I'm guessing there probably isn't a way, but I thought I'd
>check.  Thanks.

I don't know why it does so, but it looks very inefficient, at least for
long vectors.

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