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Although it sounds simple, it isnīt.
It is also difficult to find the top5 H of the last 100 bars of MSFT.
[this is the horizontal sorting, in exploration result we need the
vertical one...
DT
--- In amibroker@xxxxxxxxxxxxxxx, uenal.mutlu@xxxx wrote:
> Hi DT,
> yes such a function in AFL would indeed be nice.
> Here is my AFL suggestion:
>
> CutTable(columnNbr, n, bAscending = true);
>
> This would be evaluated after the the result table
> was generated and would sort it and cut after the first
> n records.
>
> Another method would be using OLE/COM interface by executing
> the users AFL script and exporting the table programmatically, then
> sorting and cutting within the other program or AFL plugin DLL, and
> putting the remaining tickers into a watchlist and running the users
> script a second time but now on this watchlist... Hmmm.. maybe not
> very efficient. But generally, this is doable but tedious. The best
would
> be the proposed new AFL method above.
>
> UM
>
>
> ----- Original Message -----
> From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Wednesday, April 23, 2003 9:14 AM
> Subject: [amibroker] Re: Subject: Results of Scan/Exploration
>
>
> > Herman,
> > Stewart asked at
> > http://groups.yahoo.com/group/amibroker/message/38506
> > something simple : how to select the top5 of an exploration. Any
idea
> > for this request ?
> > [If I understood well, to run an exploration
> > Filter=1;
> > AddColumn(MACD(),"MACD");
> > for 100 stocks and see in the result list ONLY the top5 MACDs,
> > nothing else]
> > I do not see how can I do it.
> > [I hope to avoid MAX(Foreign("~AAPL-MACD","C"),MAX(Foreign("~ABGX-
> > MACD","C"),...]
> > Any idea appreciated.
> > Dimitris Tsokakis
> > --- In amibroker@xxxxxxxxxxxxxxx, "Herman vandenBergen"
<psytek@xxxx>
> > wrote:
> > > Using array subscripts you can put any kind of data into a
array:
> > > Data[0] = YourParameter1;
> > > Data[1] = Your{arameter2;
> > > YourParameter could also use subscripts...
> > >
> > > When you want to save the data into a stock-specific array you
use
> > the Atc,
> > > some thing like this for the Explorer:
> > >
> > > AddToComposite(Data,"~"+Name()+"-Data","X",1|2|4|16); // Use in
> > Explorer,
> > > Data here refers to the array you filed using subscripts. This
> > array will be
> > > of length equal to number of bars in the current stock - a bit
of
> > > over-kill - but this means you can put a ton of data into a
> > Composite (5
> > > fields: OHLCV). The great thing is that this information
remains on
> > Disk for
> > > re-use at any time from any program, use Foreign("~"+Name()+"-
> > Data","X");
> > > here X can be any of OHLCV.
> > >
> > > You can save system calibration data for automatic recall. You
> > cannot save
> > > text in a Composite however you can save Status("StockNum"),
this
> > is an
> > > ordinal number pointing to your stock in your group (it changes
as
> > you
> > > change groups!!).
> > >
> > > Best regards,
> > > Herman
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Stewart [mailto:stewart@x...]
> > > Sent: April 22, 2003 10:29 AM
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Subject: Re: [amibroker] Subject: Results of Scan/Exploration
> > >
> > >
> > > but using AddtoComposite(), is there a way to relate "a row"
to a
> > specific
> > > ticker?
> > > ----- Original Message -----
> > > From: Dimitris Tsokakis
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Sent: Tuesday, April 22, 2003 5:56 PM
> > > Subject: [amibroker] Subject: Results of Scan/Exploration
> > >
> > >
> > > Suppose we run an exploration for 100 stocks
> > > X=StochD();
> > > Filter=1;
> > > AddColumn(X,"StochD");
> > > for one day.
> > > The result is an 100-dimension vector.
> > > We can save only in 6 fields through AddToComposite()
function,
> > namely
> > > C, O, H, L, V, I.
> > > If we place the first 6 results to each field, we have no
place
> > to save
> > > the rest 94 results.
> > > It is a 100X100 diagonal matrix, as in the att. gif
> > > but, even if we could, the result would not be an array.
> > > An array has one numerical value per day. In this case we
would
> > have a
> > > set of 100 numerical values per day
> > > and we would create an 100-dimensional "Hyper array".
> > > It needs specific imagination to understand the use of this
> > creature.
> > > DT
> > >
> > > There's no way to store the results of an Exploration to an
> > array,
> > > right?
> > >
> > > Thanks,
> > >
> > > Stewart
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