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[amibroker] Re: AFL question



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typo...
--- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx> 
wrote:
> Owen,
> 
> ValueWhen(Condition, Ref(HHV(H,4),-1))  is just OK, it will hold 
the 
> requested value untill the next COND occurrence.
> DT
> --- In amibroker@xxxxxxxxxxxxxxx, "Owen Davies" <owen5819@xxxx> 
wrote:
> > > that would give me the highest close of the last 4 days. I am 
> looking
> > > for the 4 days prior to my condition
> > 
> > ValueWhen(Condition, Ref(HHV(H,4),-1), 1) ought to work for a one-
> shot
> > condition.  If your condition is repeated frequently, you will 
need 
> to do
> > something like Sig=IIf(condition,1,-1);
> > ValueWhen(Cross(Sig,0),HHV(H,4),-1),1);.  No doubt there is some 
> way to use
> > Flip() as well, but I haven't needed that function yet.
> > 
> > Owen Davies


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