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PeterJ,
Thanks for the response. I've already played around with IIF.
However, my problem lies in implementing IIF (or if for if-else
statements using arrays) within loops. IIF seems limited in its
implementation in a loop.
I can't easily find a way to find the "optimized' value of the
variable 'Period' (in the code example) without using a looping
conditional statment of some sort.
Regards,
Graeme Oswin
--- In amibroker@xxxxxxxxxxxxxxx, "PeterJ \(wpq\)"
<pjcwebpagequery@xxxx> wrote:
> Graeme
>
> I do not know Tradestation but I believe your solution lies with
AB's IIF
> function
> (refer: http://www.amibroker.com/guide/afl/afl_view.php?name=IIF)
>
> Something along the lines...
>
> Period =
> IIF(linearregvalue(close,Counter,-1)>linearRegValue(Close,Period,-
1),
> Counter,
> Null/*or whatever the false value should be*/);
>
> Hope this helps.
> ______
> peterj
>
> -----Original Message-----
> From: graeme_oswin [mailto:goswin@x...]
> Sent: Tuesday, 4 May 2004 11:33 p
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Conditional looping question
>
> Dear all,
>
> Is it possible to implement Conditional looping in AFL along the
> lines of the following. For example what is the most effective way
of
> translating this Tradestation language example. ( I think.)
>
> snip ---------------------------------
> For Counter = 13 downto 7 Begin
> if linearregvalue(close,Counter,-1)>linearRegValue(Close,Period,-
1)
> then Period=Counter;
> End;
> Cord=linearregvalue(Close,Period,-1);
> ---------------------------------
>
> From what I read I can substitute the appropriate AFL keywords (eg:
> linearregvalue = linearreg etc...
>
> But how do you implement a conditional loop using arrays? AFL "if"
> command does not appear to operate on arrays only boolean values.
>
> I'm sure its possible but I'm programmably challenged.
>
> Regards,
>
> Graeme Oswin
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