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This has been discussed many times in the past on the forum
assuming I understand what you are trying to do
IH_Periods = Param("Initial High", 21, 10, 100,1);
HH = IH_Periods - 1;
A = C;
B = O;
Z = HHV(H,HH);
prev = Z;
for(i=1;i<BarCount;i++)
{
if(A[i] > B[i]) prev[i]= Z[i];
else prev[i] = Z[i-1];
}
--
Cheers
Graham
AB-Write >< Professional AFL Writing Service
Yes, I write AFL code to your requirements
http://www.aflwriting.com
On 20/02/07, Keith Osborne <kosborn3@xxxxxxxxxxxxxx> wrote:
> Hi, I am attempting to convert a Metastock formula with a PREV
> statement. I have read a number of messages in Amibroker database and my
> attempt is as follows.
>
> IH_Periods = Param("Initial High", 21, 10, 100,1);
>
> HH = IH_Periods - 1;
>
> Z = HHV(H,HH);
> Z = 0; // Initialize
> for(i=1;i<BarCount;i++)
> {
> PREV = Z[i-1]; // PREV is previous value of Z.
> }
>
> When I use PREV in a AB formula such as iif(A > B, XX, PREV) I get 0
> (Zero) when A<B.......rather than the previous value of Z. Can I assign
> a HHV to Z?)
>
> I hope I have explained this.
>
> Any help would be appreciated.
>
> TIA .... Keith
>
>
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