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yes totally agrre with Dimitri and tomasz is still
deaf to this problem
stephane
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
DIMITRIS
TSOKAKIS
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Saturday, February 28, 2004 9:45
AM
Subject: [amibroker] Re: empty scan of a
watchlist (?)
Anthony,One important detail !The code counts the
symbols of WLxx, it DOES NOT give the population of WLxx in daily
basis.If you have 3 tickers in WL20 and there are some missing data, the
result will still be 3.The only safe way to count [and use it as a
daily function] is through AddToComposite() function.Try to delete
some quotations in WL20 stocks, run
theAddToComposite(1,"~count","v");Buy=0;for WL20 and then plot
the//Count tickers in watchlist function//For Indicator
BuilderWatchlistNumber=Param("Watchlist",20,0,63,1) ;//enter watchlist
numberfunction CountTickersInWatchList( Listnum ){// retrive
comma-separated list of symbols in watch listlist = GetCategorySymbols(
categoryWatchlist, listnum );for( i = 0; ( sym = StrExtract( list, i ) )
!= ""; i++ ){Count1=i;}return i;}Title="Watchlist #
"+WriteVal(watchlistnumber,1)+" has "+CountTickersInWatchList(
WatchlistNumber) + " Tickers";Plot(CountTickersInWatchList(
WatchlistNumber) ,"",1,1);Plot(Foreign("~count","v"),"",4,2); and you
will see.[We have a recent discussion with Stephane on the same
subject.]The reason should be simple: If WL20 includes IBM, INTC and MSFT,
then there should be somewhere an inside syntax
WL20="IBM,INTC,MSFT", in other words WL20 should be nothing but a
comma separated string. This fact does not include any info about
missing [or excessive] bars.Dimitris Tsokakis--- In
amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso" <ajf1111@xxxx>
wrote:> Dalengo,> > Put this into Indicator builder,
you can use Parameter to select different> watchlist....the
total count will be in the title.> > > //Count tickers in
watchlist function> > //For Indicator Builder> >
WatchlistNumber=Param("Watchlist",0,0,63,1) ;//enter watchlist
number> > function CountTickersInWatchList( Listnum
)> > {> > // retrive comma-separated list of
symbols in watch list> > list = GetCategorySymbols(
categoryWatchlist, listnum );> > for( i = 0; ( sym = StrExtract(
list, i ) ) != ""; i++ )> > {> > Count1=i;>
> }> > return i;> > }> >
Title="Watchlist # "+WriteVal(watchlistnumber,1)+" has "+> >
CountTickersInWatchList( WatchlistNumber) + " Tickers";> >
> > Anthony> > ----- Original Message -----
> From: "dalengo" <dalengo@xxxx>> To:
<amibroker@xxxxxxxxxxxxxxx>> Sent: Friday, February 27, 2004
12:29 PM> Subject: [amibroker] empty scan of a watchlist (?)>
> > > Hi,> > Can someone help with the scan of a
watchlist function?> > I am trying a trivial counting of entries in
N100 watchlist> > by scanning the AFL AB 4.51.1:>
>> > AddToComposite(1,"~COUNT","V");> > Buy=0;>
>> > N100 is in List0, and all entries in List0 are valid
(display> > properly).> > I use filter:list0 in AA to aim
AA at list0 per User Guide,> > run the Scan and get nothing.>
> Run for CURRENT stock, get ~COUNT=1, run for ALL STOCKS, get> >
(in US-Stocks) ~COUNT=6592 on 2/23/04, again for one stock, get 1.>
> Run again on List0 using Filter: get nothing (old result remains>
> unchanged).> >> > What's wrong?> >>
> Many thanks for your suggestions,> > -Dalengo>
>> >> >> > Send BUG REPORTS to
bugs@xxxx> > Send SUGGESTIONS to suggest@xxxx> >
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