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The statement in the loop ...
TestVolume = IIf((Ref(Volume ,-i+1)> Ref(Volume ,-i)),True,False);
does NOT reference ONE data point along the Volume array at the
current bar -i + 1, it references the entire array.
If you wanted to reference one point along the array then you can do
so by writing for example
Volume[i] ...
The way you have written the code TestVolume is an array ...
therefore PassTest is an array. You can plainly see this by noting
out the offending statement and adding
Filter = 1;
AddColumn(TestVolume, "TV", 1.2);
AddColumn(PassTest, "{T", 1.2);
to your code and running an Explore ...
--- In amibroker@xxxxxxxxxxxxxxx, "Homar Simpson" <x77777x@xxx> wrote:
>
> As I mentioned I've been programming for 30 years.
>
> What I'm doing here is assigning a SINGLE boolean variable based
on
> the comparison of array contents. If I did this in VB or VBA , there
> would be no issue. Are you saying the boolean takes on the
> characteristic of the tested array? I think Tradestation does
> something like that.
>
> If thats the case , how would you
>
> If I say Var1=x(5)-y(2), then Var1 is not an array.
>
> Explain how:
> if (PassTest==False) i=0;
> generates an array error??
>
>
> Please explain the actual reason, I've read the docs and there's
> nothing there to make this clear.
>
>
> ================================================================
> Days=Param("Days To Test",3,1,15,1);
>
> PassTest=True;
>
> for(i=Days; i>0 ; i--)
>
> {
> TestVolume = IIf((Ref(Volume ,-i+1)> Ref(Volume ,-i)),True,False);
>
> PassTest = IIf(testvolume == False,False,PassTest );
>
>
> if (PassTest==False) i=0;
>
>
> }
>
>
> _TRACE("--------------------------------- ");
>
> FL1=PassTest;
> FL2=Close >Param("ClosingPrice",5,0,999999,1);
>
> Filter = FL1 AND FL2;
>
> AddColumn(Close,"Close",1.4);
> AddColumn(Volume,"Volume",1.0);
> AddTextColumn( FullName(), "Full name", 77);
>
> AddColumn(Ref(Volume,-1),"Volume -1",1.0);
> AddColumn(Ref(Volume,-2),"Volume -2",1.0);
> AddColumn(Ref(Volume,-3),"Volume -3",1.0);
>
Content-Description: "AVG certification"
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.5.432 / Virus Database: 268.15.9/573 - Release Date: 12/5/2006 4:07 PM
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