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You could probably leverage the Flip function to make this easier on
yourself.
e.g.
Buy = ...
Sell = ...
InLongPos = Flip(ExRem(Buy, Sell)) * 1000;
Mike
--- In amibroker@xxxxxxxxxxxxxxx, "wavemechanic" <timesarrow@xxx>
wrote:
>
> The iif() does not give the same result because ref(inlongpos, -1)
== 0 except when the previous bar is a buy. You can see exactly what
is happening graphically with
>
> buy =
> sell =
> inlongpos = iif(...
> plot(c, "", iif(buy, colorred, iif(sell, coloryellow,
colorpalegreen)), stylebar);
> title = "inlongpos = " + inlongpos + " ref(inlongpos..." + ref
(inlongpos...) + " buy = " + buy + " sell =" + sell
>
> If you want the iif() approach to hold either a buy or sell value
for each bar additional code is needed to create this condition.
>
> Bill
>
>
> ----- Original Message -----
> From: Ton Sieverding
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Thursday, March 27, 2008 8:10 AM
> Subject: Re: [amibroker] Something is different. But what ?
>
>
> Sure. This of course if part of an AFL with Buy and Sell defined.
Also an init for InLongPos
> being set to zero as a starter. Again the ForLoop works fine. I
checked that with following statement : AddColumn
(InLongPos,"Long",1);
> My problem is that I do not understand why the first statement
does not give me the correct answer where the second does ...
>
> Regards, Ton.
>
> ----- Original Message -----
> From: wavemechanic
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Thursday, March 27, 2008 12:55 PM
> Subject: Re: [amibroker] Something is different. But what ?
>
>
>
> Is there more to the code? Are you getting a
syntax/initialization error? How are you handling the case when i ==
1?
>
> Bill
>
> ----- Original Message -----
> From: "amsiev" <ton.sieverding@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Thursday, March 27, 2008 7:01 AM
> Subject: [amibroker] Something is different. But what ?
>
>
> > Why is following AFL statement :
> >
> > InLongPos = IIf(Buy==1,1000,IIf(Sell==1,0,Ref(InLongPos,-1)));
> >
> > giving me a different result as following ForLoop :
> >
> > for ( i=1; i<BarCount; i++ )
> > {
> > if (Buy[i]==1)
> > InLongPos[i] = 1000;
> > else
> > {
> > if (Sell[i]==1)
> > InLongPos[i] = 0;
> > else
> > InLongPos[i] = InLongPos[i-1];
> > }
> > }
> >
> > The result I am getting from the ForLoop is correct. The first
> > statement gives me a wrong answer. I want to get 1000 in
InLongPos
> > after Buy and before Sell ... When testing the statement in
Excel
> > it works fine with : =IF(A6=1;1000;IF(B6=1;0;C5)) ...
> >
> > What's wrong ?
> >
> >
> > ------------------------------------
> >
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> >
> > To get support from AmiBroker please send an e-mail directly
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> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check
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> >
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> >
> >
> >
> >
> > --
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> > Version: 7.5.519 / Virus Database: 269.22.0/1344 - Release
Date: 3/26/2008 8:52 AM
> >
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>
>
>
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>
>
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3/26/2008 8:52 AM
>
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