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Fred,
You write strange things !
If you read #38650, you will see the procedure
a. Scan to create the "~RankY" ticker
b. Apply it to the database.
Which of these two procedures takes 50 sec for the N100 database ??
In my humble machine the scan to create "~RankY" needs less than a
second.
Then, for the application, the #38650 was written before loop era and
perhaps it is not elegant, although it was working just fine.
For this application [which has nothing to do with the ~RankY
creation] I tried to write a shorter code with the use of loops.
If you have any comments on this effort [to begin with], will be
appreciated.
You are relatively long period in this great list and you should
understand that I am not competitive to any others contributions.
Read again #38650, if you are interested to criticise, please.
Because, if you read, you will understand that the ~RankY ticker has
*only* 101 bars [equal to the population of the N100] and there is no
need for 5000 bars you wrote.
Once again, there was not the slightest intention to compete your
system, there is not the slightest ref from me about your system, for
a very simple reason : I donīt know your system.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Fred" <fctonetti@xxxx> wrote:
> This is certainly doable this way ... but on my box as written it
> takes 50 seconds to run 100 stocks for 100 bars. I can't quite
> picture how long it would take to run 10000 stocks for 5000 bars
but
> it might involve disappearing for a weekend. Beyond this the
> question is what to do with the list after you have it.
>
> In PT this can be accomplished with one line of code i.e.
>
> rScore = StockD();
>
> This takes less than 2 seconds to run the same list of stocks over
> the same 100 bars and of course incorporates the trading routines
and
> results reporting for the high ranking stocks.
>
> To each his own.
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Dimitris Tsokakis"
<TSOKAKIS@xxxx>
> wrote:
> > Let us find the top10 of the last 100 Stochd() values.
> > In AA explore the current stock for the last 100 bars.
> > // The top10 of an exploration
> > bars=100;
> > H1=StochD()*(LastValue(Cum(1))-Cum(1)<bars);
> > H11=H1;
> > H2[0]=0;Counter=0;
> > top=10;
> > for(n=1;n<=top;n++)
> > {
> > for(i=1;i<BarCount;i++)
> > {
> > H2=LastValue(Highest(H1));
> > if(H1[i]==H2[i])
> > {
> > if(Counter<top)
> > {
> > H1[i]=0;
> > Counter=Counter+1;
> > }
> > }
> > }
> > }
> > Filter=1;
> > AddColumn(H11,"Array");
> > AddColumn((H1==0)*H11,"Top10");
> >
> > In the "Top10" column you read the 10 highest StochD() values,
all
> the rest are 0.
> > Dimitris Tsokakis
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