YOu cant run automation that controls optimization from within an afl. Do it
with jscript outside AB.


  _____  

From: [email protected] [mailto:[email protected]] On Behalf
Of ozzyapeman
Sent: Friday, 19 December 2008 1:18 PM
To: [email protected]
Subject: [amibroker] Re: Automation to load an AFL and run Portfolio
Optimization



To add to my confusion, sometimes the below code does produce syntax
errors when applied. Other times it runs smoothly (albeit with a
single optimization step). I'm not doing anything different, so I have
no idea why it fluctuates.

--- In amibro...@yahoogrou <mailto:amibroker%40yahoogroups.com> ps.com,
"ozzyapeman" <zoopf...@...> wrote:
>
> The simplified code below runs without any syntax error. However,
> instead of optimizing through all 100 steps, it only does a single step.
> Any idea why doesn't it do all 100 steps, as coded in the Simple MA
> Cross afl?:
> 
> 
>
//----------------------------------------------------------\
> ------
> // AUTOMATION CODE: Load an AFL and Run a Portfolio Optimization
>
//----------------------------------------------------------\
> ------
> 
> EnableScript("jscript");
> <%
> 
> database = "C:\\Program Files\\Amibroker\\Data";
> formula_1 = "C:\\Simple MA Cross.afl";
> 
> AB = new ActiveXObject( "Broker.Application" );
> AB.LoadDatabase( database );
> AA = AB.Analysis;
> 
> AA.LoadFormula( formula_1 ); // load formula from external
> file
> 
> AA.ApplyTo = 1; // use current symbol
> AA.RangeMode = 3; // use 'From' and 'To' dates
> AA.RangeFromDate = "11/01/2005";
> AA.RangeToDate = "12/31/2005";
> AA.Optimize( 0 ); // run Optimize for the
> portfolio, which is just one symbol
> //AA.Backtest();
> 
> %>
> //---------END AUTOMATION
> AFL-------------------------------------------------
> 
> 
> 
> --- In amibro...@yahoogrou <mailto:amibroker%40yahoogroups.com> ps.com,
"ozzyapeman" <zoopfree@> wrote:
> >
> > Hoping someone can chime in here to let me know what I might be doing
> > wrong. I'm currently testing out some simple automation code. The
> > objective is to load an AFL and then run a portfolio optimization for
> a
> > specified date range.
> >
> > I am using a simple MA crossover trading system for testing purposes.
> I
> > can of course optimize it manually in AA without any problem. But when
> I
> > try to run and control that optimization from a piece of automation
> > code, I get a whole range of syntax errors.
> >
> > Below are the two *separate* AFL codes. I imagine the first AFL has
> some
> > errors in it that is preventing the actions from being carried out
> > properly. What am I missing or doing wrong? Any input much
> appreciated:
> >
> >
>
//----------------------------------------------------------\
> \
> > ------
> > // AUTOMATION CODE: Load an AFL and Run a Portfolio Optimization
> >
>
//----------------------------------------------------------\
> \
> > ------
> >
> > EnableScript("jscript");
> > <%
> >
> > database = "C:\\Program Files\\Amibroker\\Data";
> > formula_1 = "C:\\Simple MA Cross.afl";
> >
> > AB = new ActiveXObject( "Broker.Application" );
> > AB.LoadDatabase( database );
> > AA = AB.Analysis;
> > Stk = AB.Stocks
> > Doc = AB.Documents.Open( Stk.Ticker );
> >
> > AA.LoadFormula( formula_1 ); // load formula from
> external
> > file
> >
> > AA.ApplyTo = 1; // use current symbol
> > AA.RangeMode = 3; // use 'From' and 'To' dates
> > AA.RangeFromDate = "11/01/2005";
> > AA.RangeToDate = "12/31/2005";
> > AA.Optimize( 0 ); // run Optimize for the
> > portfolio, which is just one symbol
> > AA.Backtest();
> >
> > %>
> > //---------END AUTOMATION
> > AFL-------------------------------------------------
> >
> >
> >
> >
> >
> >
>
//----------------------------------------------------------\
> \
> > ------
> > // Simple MA Cross: THIS IS A SEPARATE AFL SAVED AT: "C:\\Simple MA
> > Cross.afl"
> >
>
//----------------------------------------------------------\
> \
> > ------
> >
> >
> > FastMALength = Optimize("FastMALength", 1, 1, 100, 1);
> > SlowMALength = 20;
> >
> >
>
//----------------------------------------------------------\
> \
> > ------
> > // BACKTESTER SETTINGS
> >
>
//----------------------------------------------------------\
> \
> > ------
> >
> > SetBarsRequired(10000, 0);
> > SetOption("AllowPositionShrinking", False);
> > SetOption("AllowSameBarExit", True);
> > SetOption("CommissionAmount", 3.00);
> > SetOption("CommissionMode", 3);
> > SetOption("FuturesMode", 1);
> > SetOption("InitialEquity", 100000);
> > SetOption("InterestRate",0);
> > SetOption("MaxOpenPositions", 1);
> > SetOption("MinPosValue", 0);
> > SetOption("MinShares", 1);
> > SetOption("PriceBoundChecking", False );
> > SetOption("ReverseSignalForcesExit", False);
> > SetOption("UsePrevBarEquityForPosSizing", True );
> > SetTradeDelays(0, 0, 0, 0);
> > SetPositionSize(1, spsShares);
> > TickSize = 0.0001; // The minimum price move of symbol for
> Forex
> > PointValue = 100000;
> > RoundLotSize = 1;
> > MarginDeposit = 2500;
> > BuyPrice = SellPrice = ShortPrice = CoverPrice = Close;
> >
> >
>
//----------------------------------------------------------\
> \
> > --
> > // TRADING SYSTEM
> >
>
//----------------------------------------------------------\
> \
> > --
> >
> > FastMA = MA( C, FastMALength );
> > SlowMA = MA( C, SlowMALength );
> > Buy = Cross( FastMA, SlowMA );
> > Sell = Cross( SlowMA, FastMA );
> >
>



 

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