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Ken,
before the last 19 days, what is your preference for the color of A ?
If, for example, it is black, then what you ask is a single line
A=iif(cum(1)<Lastvalue(cum(1))-19,colorblack,IIf(Tot<3,colorRed,IIf
(Tot>3 AND Tot<5,colorYellow,colorGreen)));
Note also that colorYellow is nothing but 42.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Ken Close" <closeks@xxxx> wrote:
> As I venture into the land of more "pure" programming constructs, I
> stumble. Any help?
>
> I have a complex series of variables calculating values for today,
> yesterday, up to Ref(xx,-20)
>
> Instead of
>
> A0 = IIf(Tot<3,colorRed,IIf(Tot>3 AND Tot<5,colorYellow,colorGreen);
> A1 = IIf(Ref(Tot,-1)<3,colorRed,IIf(Ref(Tot,-1)>3 AND
> Ref(Tot,-1)<5,colorYellow,colorGreen);
> A2 = IIf(Ref(Tot,-2)<3,colorRed,IIf(Ref(Tot,-2)>3 AND
> Ref(Tot,-2)<5,colorYellow,colorGreen);
>
> And repeat this 19 times, back 19 days;
>
> I wanted to try and use a For loop, and tried the following. But I
get
> all sorts of error messages, the most frequent of which is "Type
> Mismatch, number expected but array found."
>
>
> for(i=0; i>19; i++)
> {
> A[i]=IIf(Ref(Tot,-i)<3,colorRed,IIf(Ref(Tot,-i)>3 AND
> Ref(Tot,-i)<5,colorYellow,colorGreen);
> }
>
> I tried A+I and that did not work either
> "Error 3.
> Condition in IF, WHILE, FOR statements
> has to be Numeric or Boolean type.
> You can not use array here,
> please use [] (array subscript operator)
> to access array elements"
>
> The "A"s are arrays, so the A[i] seemed like the right way to go,
but
> then the Type Mismatch.
>
> I know the answer is probably simple, but I can not see it.
>
> Help?
>
> Ken
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