Re: [amibroker] Re: EasyLanguage CountIf function

[Steve Wong <swstevewong38@xxxxxxxxx>]

Thanks. Your formula should be right.

 

The documentation of Sum is Sum(Array, Periods). I overlook that "Low > Ref(Low,-1) AND High < Ref(High,-1)" is array of booleans which is the beauty of AFL (I originally thought it was only boolean so can't be applied to Sum).

 

Thanks for help again.

---

From: Mike <sfclimbers@xxxxxxxxx>
To: amibroker@xxxxxxxxxxxxxxx
Sent: Saturday, February 14, 2009 3:30:51 PM
Subject: [amibroker] Re: EasyLanguage CountIf function

What about:

InsideDays = Sum(Low > Ref(Low, -1) AND High < Ref(High, -1), Length);

Mike

--- In amibroker@xxxxxxxxx ps..com, "swstevewong38" <swstevewong38@ ...>
wrote:
>
> New to Amibroker using it about a week.
>
> Translating a piece of code from EasyLanguge.
>
> InsideDays = CountIf(Low > Low[1] and High < High[1], Length);
>
> Think for a while maybe a combination of AFL's SUM, CUM, BarsSince
> function can do, but still can't get the correct formula.
>
> Is there an equivalent way to express that CountIf in AFL without
need
> to write loop?
>
> Thanks.
>

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