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Tomasz,
We speak for *exactly* the same thing here. Pleas read again my
http://groups.yahoo.com/group/amibroker/message/39775
> Bob,
> The
> Buy = IIf(Cum(1)%20,0,1);
> Buy = IIf(Cum(1)%30,0,1);
> will produce Buy signals every 30 bars
Do you see anything wrong there ?
Read also the
http://groups.yahoo.com/group/amibroker/message/39668
>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;
Do you see anything wrong there?
I do not know Bob confusion, I think above phrases are correct.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
> Bob is 100% correct.
> Second assignment completely OVERWRITES previous "buy" array
> therefore:
>
> Buy = cond1;
> Buy = cond2;
>
> works exactly the same as:
>
> Buy = cond2;
>
> alone.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "Bob Jagow" <bjagow@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Tuesday, May 06, 2003 8:35 PM
> Subject: RE: [amibroker] Re: Syntax Question
>
>
> > Makes no sense to me, Dimitris.
> > Could we keep from confusing the troops by agreeing that
> > Buy = cond1;
> > Buy = cond2;
> > should not and in fact does not result in Oaring the two
statements?
> >
> >
> > Bob
> >
> > -----Original Message-----
> > From: DIMITRIS TSOKAKIS [mailto:TSOKAKIS@x...]
> > Sent: Monday, May 05, 2003 11:55 PM
> > To: amibroker@xxxxxxxxxxxxxxx
> > Subject: [amibroker] Re: Syntax Question
> >
> >
> > 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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