[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [amibroker] Re: Syntax Question



PureBytes Links

Trading Reference Links

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@xxxxxxxxxxx>
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@xxxxxxxxx]
> 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.
> >   >
> >   >
> >   >       Yahoo! Groups Sponsor
> >   >
> >   >
> >   >
> >   >
> >   >
> >   > Send BUG REPORTS to bugs@xxxx
> >   > Send SUGGESTIONS to suggest@xxxx
> >   > -----------------------------------------
> >   > Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> >   > (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> >   > --------------------------------------------
> >   > Check group FAQ at:
> >   > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> >   >
> >   > Your use of Yahoo! Groups is subject to the Yahoo! Terms of 
> Service.
> > 
> > 
> > 
> >   Send BUG REPORTS to bugs@xxxx
> >   Send SUGGESTIONS to suggest@xxxx
> >   -----------------------------------------
> >   Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> >   (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> >   --------------------------------------------
> >   Check group FAQ at:
> > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > 
> >   Your use of Yahoo! Groups is subject to 
> http://docs.yahoo.com/info/terms/
> > 
> > 
> > 
> >         Yahoo! Groups Sponsor
> > 
> > 
> > 
> >   Send BUG REPORTS to bugs@xxxx
> >   Send SUGGESTIONS to suggest@xxxx
> >   -----------------------------------------
> >   Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> >   (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> >   --------------------------------------------
> >   Check group FAQ at:
> > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > 
> >   Your use of Yahoo! Groups is subject to the Yahoo! Terms of 
> Service.
> 
> 
> 
> Send BUG REPORTS to bugs@xxxxxxxxxxxxx
> Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
> -----------------------------------------
> Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx 
> (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> --------------------------------------------
> Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html 
> 
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 
> 
> 
> 
> 
> Send BUG REPORTS to bugs@xxxxxxxxxxxxx
> Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
> -----------------------------------------
> Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx 
> (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> --------------------------------------------
> Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html 
> 
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 
> 
> 
> 

------------------------ Yahoo! Groups Sponsor ---------------------~-->
Make Money Online Auctions! Make $500.00 or We Will Give You Thirty Dollars for Trying!
http://us.click.yahoo.com/KXUxcA/fNtFAA/uetFAA/GHeqlB/TM
---------------------------------------------------------------------~->

Send BUG REPORTS to bugs@xxxxxxxxxxxxx
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
-----------------------------------------
Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx 
(Web page: http://groups.yahoo.com/group/amiquote/messages/)
--------------------------------------------
Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html 

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/