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Something like...
whatever = Sum(abs(C-Ref(C,-1)), nPeriod);
Step by step that's
whatever = Sum( // Sum of
abs( // the absolute value of
C // close today
-
Ref(C,-1) // close yesterday
)
,
nPeriod // over number of periods
);
Does that help?
Nigel
On Tue, 28 Oct 2003 01:48 pm, gosub283 wrote:
> Hi All,
>
> I am trying to do the following and don't quite
> know haw to pull it off in AFL. For the description below assume
> nPeriod = param("Period",5,20,1);
>
> Here is it...
> Sum(absolute value) of [Close today - Close yesterday]over nPeriod
> days
>
> Can anyone help me put that in AFL ?
>
> Thank to anyone who contributes,
> Gosub283
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