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Bob,
The
Buy = IIf(Cum(1)%20,0,1);
Buy = IIf(Cum(1)%42,0,1);
will produce Buy signals every 30 bars.
Try the
Buy=IIf(Cum(1)%20,0,1);
Buy=IIf(Cum(1)%30,0,1);
Filter=Buy;
AddColumn(Cum(1),"");
DT
> -----Original Message-----
> From: Bob Jagow [mailto:bjagow@x...]
> Sent: Monday, May 05, 2003 5:55 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Re: Syntax Question
>
>
> Looks like only the last assignment counts, Dimitris.
> Try
> ----
> Buy = IIf(Cum(1)%20,0,1);
> Buy = IIf(Cum(1)%42,0,1);
> ----
> On the other hand, there's always the chance that
> ----
> Buy = IIf(Cum(1)%20,0,1);
> Do_it_now_Dammit;
> Buy = IIf(Cum(1)%42,0,1);
> ----
> could trigger buys every 20 days as well as every 42 days.
>
> Regards,
> Bob
>
>
> -----Original Message-----
> From: DIMITRIS TSOKAKIS [mailto:TSOKAKIS@x...]
> Sent: Monday, May 05, 2003 10:18 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Syntax Question
>
>
>
> > -----Original Message-----
> > From: Sam Levy [mailto:slevy1220@x...]
> > Sent: Monday, May 05, 2003 8:48 AM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Syntax Question
> >
> >
> > Is the following correct?:
> >
> > If I want a buy signal if both of two conditions are true, I
would
> > code:
> >
> > buy=cond1 and cond2;
> >
> > If I want a buy signal if either is true, I would code:
> >
> > buy=cond1 or cond2;
> >
> > What is the difference between those and:
> >
> > buy=cond1;
> > buy=cond2;
>
> The main difference is that
> buy=cond1 or cond2;
> is one-line code and
> buy=cond1;
> buy=cond2;
> is two-line code.
> AFL is executed line by line.
> So, in the second case you ask
>
> buy=cond1;// buy when cond1 is true
> buy=cond2;// buy when cond2 is true
> AFL will go to the next statement with the last info : buy=cond2;
> Sometimes, this property is useful :
>
> D=5;
> M=MA(H,D);
> PLOT(M,"",1,1);
> D=10;
> M=MA(H,D);
> PLOT(M,"",2,1);
> D=15;
> M=MA(H,D);
> PLOT(M,"",3,1);
> will plot 3 different MAs, although only one is defined, namely M.
> On the other side the
>
> D=5;
> M=MA(H,D);
> D=10;
> M=MA(H,D);
> D=15;
> M=MA(H,D);
> PLOT(M,"",1,1);
> PLOT(M,"",2,1);
> PLOT(M,"",3,1);
> will plot 3 MAs identical to MA(H,15)
> Dimitris Tsokakis
>
>
>
>
>
>
> > I would be grateful if someone would set me straight on this.
> >
> >
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