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Michael, Herman
We may immitate AA window in IB.
Example:
Title="Date Close";
Title=Title+"\n-----------------------------";
for(D=1040201;D<LastValue(DateNum());d++)
{
D1=ValueWhen(DateNum()==d,DateTime());
C1=ValueWhen(DateNum()==d,C);
Title=Title+WriteIf(IsTrue(d1),"\n"+WriteVal(d1,formatDateTime)
+" "+WriteVal(C1),"");
}
Sometimes it may solve ranking problems.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Herman van den Bergen"
<psytek@xxxx> wrote:
> Have a look at the DayOfYear(), it might come in handy to create a
> DayOfDecade() or DayOfCentury() function which you could could use
instaeda
> of an arbitrary index.
>
> Next you could write a function DaysSince() (TJ?) That would solve
all
> problems.
>
> have fun,
> herman
> -----Original Message-----
> From: Michael.S.G. [mailto:OzFalcon@x...]
> Sent: Friday, February 20, 2004 11:05 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] Can anyone help me Sort this out....
>
>
> Herman,
> Yes - This is one way (Mabie the only) way of working around
the
> problem.
> Though a little messy - Im sure I could live with it.
> We'll see if anything else comes up.
>
> Thanks,
> Michael.
>
>
>
> At 01:49 PM 21/02/2004, you wrote:
> >You could convert DateNum() to a DateIndex which will be a much
smaller
> >number. You would have to pick a first date for zero, your
reference, or
> >count backwards from today... depend on your application.
> >
> >The DateIndex would simply be the number of bars before a given
point.
> For
> >10 years you should have a maximum count of about 10*250=2500
which is
> >much smaller than you datenum.
> >
> >Interesting problem,
> >good luck,
> >herman.
> >-----Original Message-----
> >From: Michael.S.G. [mailto:OzFalcon@x...]
> >Sent: Friday, February 20, 2004 8:45 PM
> >To: amibroker@xxxxxxxxxxxxxxx
> >Subject: [amibroker] Can anyone help me Sort this out....
> >
> >Has anyone yet got around the DateNum() / 32 bit float
limitation yet?
> >
> >This is a real Turd of a problem - And I'd like to know if there
are any
> >workarounds/solutions?
> >
> >For me - I wish to Transform DateNum() to a Ranking system I can
sort
> >under AA.
> >
> >But two limitations are stoping me.
> >1) The use of Strings in AB appears to be as single variables.
(Not
> Arrays).
> >2) Transforming the value from DateNum creates a number greater
than 7
> >significant digits. Inducing the 32bit Float limitation.
> >
> >For those unaware of the above constrictions, Here is a sample
AFL to
> show
> >you.
> >
> >// Combined Sort for AA.
> >//
> >// Filter = "Curent Stock"
> >//
> >// Range = "All Quotes"
> >
> >// Create a Date/Rank to Sort with.
> >//
> >// Doesn't work (Strings can not be arrays?)
> >SortStr = "" + Year() + "/" + Month() + "/" + Day() + ":" +
Close;
> >//
> >// Doesn't work (Larger than 7 digits - 32bit Float)
> >SortVar = (DateNum()*100) + Close;
> >
> >
> >AddColumn(Close,"Close",1.2);
> >AddTextColumn(SortStr,"SortStr",1.2);
> >AddColumn(SortVar,"SortVar",1.2);
> >
> >//Filter
> >Filter = 1;
> >
> >
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