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...or you just calculate StDev from very short period of data did not change -> then it would shrink to zero.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "bruce1r" <brucer@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, June 15, 2009 5:31 PM
Subject: [amibroker] Re: How to code a Adaptive StDev()
> Herman - I only check the board sporadically and don't see attachments. But I've duplicated what I think you are seeing on
> real-time data that I have, and need a little while before I can look at it. At first blush, it looks to be related to single
> precision and small changes at small time intervals. We'll either find a workaround, or I'll post something that I had planned to
> in a while anyway that addresses the general case problem of implementing variable periods for any function.
>
> -- BruceR
>
>
>
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