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Thank you, my last question is the setting n=1 and n last
quotation. Does this setting affect how many datas which meet
FILTER condition to be printed out or This is the set of datas which
the AB codes will operate on? Thanks
--- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@xxxx> wrote:
> True, it will take CPU time
> You can develop your code such that is modular:
>
> Condition_one = Volume > x;
>
> Code using Condition_One ...
> ..
>
> Filter = Condition_one and ....
> AddColumn(....)
>
>
> ----- Original Message -----
> From: "mmqp" <mmqp@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Friday, September 12, 2003 4:37 PM
> Subject: [amibroker] Re: FILTER questions.
>
>
> > Thanks for the answer. One of my question was if the stock
average
> > volume is less than 50000 then it shoud skip this stock, then if
> > FILTER statement should be placed at the end then AFL codes above
> > FILTER will be executed which would waste CPU. Is this true?
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "Ara Kaloustian" <ara1@xxxx>
wrote:
> > > Filter is used for explorations only. It should come before the
> > addcolumn
> > > statements.
> > >
> > > Normally place the exploration at the end so it does not
interfere
> > with
> > > anything else
> > >
> > >
> > > AFL Code...
> > >
> > > Filter = xxxx;
> > > addcolumn(...)
> > >
> > > ----- Original Message -----
> > > From: "mmqp" <mmqp@xxxx>
> > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > Sent: Friday, September 12, 2003 3:54 PM
> > > Subject: [amibroker] FILTER questions.
> > >
> > >
> > > > Hi,
> > > >
> > > > I have the following construct in AA:
> > > >
> > > >
> > > > AFL codes
> > > > ......
> > > > ......
> > > > porosityTags = Cross ( S1_curve, price );
> > > > priceBelowSupportTags = IIf( 100*((price -
S1_curve)/S1_curve)
> > < -
> > > > S1_porosityPct , 1 , 0 );
> > > > ....
> > > > ...
> > > > ....
> > > > ...
> > > >
> > > > AddColumn ( price , "price" , 1.2 );
> > > > AddColumn ( S1_curve , "S1" , 1.2 );
> > > >
> > > > Filter = (StrLeft(Name(),1) != "^") AND EMA(V,50) >= 50000
AND
> > (EMA
> > > > (price,200) - price)/price > 0.3 AND ( price <= ( s1_curve +
> > > > S1band ) AND price >= ( s1_curve - S1band ) ) ;
> > > >
> > > > My questions is:
> > > >
> > > > - Does the location of the FILTER statment important? I do
not
> > want
> > > > to explore on indexes (symbol with ^ as the first character),
> > Stocks
> > > > must have average volume of more than 50000 shares a day etc.
> > If I
> > > > place the FILTER statement at the end; will AB still execute
all
> > AFL
> > > > statements above but just not print out the result or Does AB
> > skip
> > > > the stock completely if the stock does not meet for example
the
> > > > average volume condition.
> > > >
> > > > - Can I have multiple FILTER statement?
> > > >
> > > > - One of the condition is 200 EMA volume. if Range was
selected
> > > > as "n last quotation" and "n=1". This setting seems only
affect
> > the
> > > > Addcolumn statement but not the AB's EMA function, meaning it
> > only
> > > > print out the last met(filter) quote but the EMA(price,200)
is
> > still
> > > > computed normally. Is this understanding correct.
> > > >
> > > > TIA
> > > >
> > > >
> > > >
> > > > Send BUG REPORTS to bugs@xxxx
> > > > Send SUGGESTIONS to suggest@xxxx
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> > > >
> >
> >
> >
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> > Send SUGGESTIONS to suggest@xxxx
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