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Thanks for the translation...
Here is the code portion for just the calculations in his Profit Table
example. I would like to turn this into an Exploration (and not a gfx
graphical display). I am darned if I have found where to put in some
AddColumn statements (and whatever else in order to make an Exploration, by
days, which has a yearly change column and a monthly change column.) Not
asking anyone to show me how to do it (I will succeed, I will succeed,....)
but it is interesting code that I am sure some of you understand in a blink,
but not me...Been working on this for several days now...
SetBarsRequired(1000000,1000000);
//eq = Foreign("~~~EQUITY", "C" );
eq = Foreign("AGEQT", "C");
yr = Year();
mo = Month();
YearChange = yr != Ref( yr, -1 );
MonChange = mo != Ref( mo, -1 );
FirstYr = 0;
LastYr = 0;
startbar = 0;
////////////////////////////
// SKIP non-trading bars
////////////////////////////
for( i = 0; i < BarCount; i++ )
{
if( eq[ i ] )
{
startbar = i;
break;
}
}
////////////////////////////
// collect yearly / monthly changes in equity
// into dynamic variables
////////////////////////////
LastYrValue = eq[ startbar ];
LastMoValue = eq[ startbar ];
MaxYrProfit = MinYrProfit = 0;
MaxMoProfit = MinMoProfit = 0;
for( i = startbar + 1; i < BarCount; i++ )
{
if( YearChange[ i ] || i == BarCount - 1 )
{
Chg = 100 * ( -1 + eq[ i ] / LastYrValue ); < < < < < Year's change
VarSet("ChgYear"+ yr[ i - 1 ], Chg );
MaxYrProfit = Max( MaxYrProfit, Chg );
MinYrProfit = Min( MinYrProfit, Chg );
if( FirstYr == 0 ) FirstYr = yr[ i - 1 ];
LastYr = yr[ i ];
LastYrValue = eq[ i ];
}
if( MonChange [ i ] || i == BarCount - 1 )
{
mon = mo[ i - 1 ];
Chg = 100 * ( -1 + eq[ i ] / LastMoValue ); < < < < < < Months change
VarSet("ChgMon" + yr[ i - 1 ] + "-" + mon, Chg );
VarSet("SumChgMon"+ mon, Chg + Nz( VarGet("SumChgMon"+ mon ) ) );
VarSet("SumMon" + mon, 1 + Nz( VarGet("SumMon"+ mon ) ) );
MaxMoProfit = Max( MaxMoProfit, Chg );
MinMoProfit = Min( MinMoProfit, Chg );
LastMoValue = eq[ i ];
}
}
-----Original Message-----
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of dingo
Sent: Thursday, June 26, 2008 4:51 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: RE: [amibroker] Re: Simple Programming Language Question
Looks to me like he's saying "if the year has changed" or "we're at the end
of the data .."
d
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx
> [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Ken Close
> Sent: Thursday, June 26, 2008 4:05 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Re: Simple Programming Language Question
>
> Thanks for the confirmation.
> The statement makes less sense to me now.
> > if( YearChange[ i ] || i == BarCount - 1 ) Oh, well....
>
> -----Original Message-----
> From: amibroker@xxxxxxxxxxxxxxx
> [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of sidhartha70
> Sent: Thursday, June 26, 2008 12:40 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Re: Simple Programming Language Question
>
> Ken,
>
> You are correct in that it is,
>
> IF YearChange(i) OR i equals BarCount -1
>
> the || = OR
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Ken Close" <ken45140@xxx> wrote:
> >
> > Middle or high level AFL program folks (like me) should not mess
> around in
> > the low level area...
> >
> > That said, can someone help me with this simple question.
> >
> > What does the double pipe symbol mean in a comparison statement?
> >
> > Two on-line references say it is an OR function
> >
> > But what does this line from the ProftiTable.afl that
> Tomasz wrote mean:
> >
> > if( YearChange[ i ] || i == BarCount - 1 )
> >
> > Is this IF YearChange(i) OR i equals BarCount -1 ???
> >
> > It hardly makes sense if this is correct.
> >
> > I thought it means If YearChange(i) is not equal to BarCount -1,
> saying the
> > if function is executed when this happens.
> >
> > Any help? Thanks.
> >
> > Ken
> >
>
>
>
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Please note that this group is for discussion between users only.
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SUPPORT {at} amibroker.com
For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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