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Graham:
Using the original example, the way that I have used
Exclude (perhaps wrong) is:
Exclude = C > 1600;
Buy = C > 1400 And Exclude == 0;//Buy between
1400 and 1600
Of course, this could be written
as:
Buy = C > 1400 and C < 1600;//exclude used
for simplification?
Maybe Exclude has other properties that are not
evident to me.
Bill
----- Original Message -----
Sent: Sunday, March 04, 2007 10:49
PM
Subject: Re: [amibroker] Use of Exclude
statement
>
Tomasz, can you expand on what to write in the statement for Exclude
>
> Exclude = ?
>
> Also from the help files shows can be used
for scan and exploration as
> well as backtest. This explanation in the
files makes its use a bit
> confusing for me
>
> "exclude If
defined, a true (or 1) value of this variable excludes
> current symbol
from scan/exploration/back test. They are also not
> considered in buy and
hold calculations. Useful when you want to
> narrow your analysis to
certain set of symbols. "
>
>
> --
> Cheers
>
Graham
> AB-Write >< Professional AFL Writing Service
> Yes, I
write AFL code to your requirements
> http://www.aflwriting.com
>
>
> On 04 Mar 2007 17:36:09 -0800, Tomasz Janeczko
<groups@xxxxxxxxxxxxx>
wrote:
>> Hello,
>>
>> Two things:
>> 1.
Exclude works in backtest only
>> 2. Exclude needs to be scalar (it
excludes given symbol, not individual trades)
>>
>> IF you
want to exclude individual signals/trades use AND NOT in your
rule
>>
>> Buy = Cross( C< 20 ) AND NOT
Exclude;
>>
>> Best regards,
>> Tomasz
Janeczko
>> amibroker.com
>> ----- Original Message
-----
>> From: "serkhoshian777" <serkhoshian777@xxxxxxxxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> Sent: Monday, March 05, 2007 2:03 AM
>>
Subject: [amibroker] Use of Exclude
statement
>>
>>
>> > Hello,
>>
>
>> > Does anyone have a snipit of example code which uses
Exclude? I can't
>> > get AFL to exclude buy signals for symbols
which have Exclude as true.
>> >
>> >
Thanks.
>> >
>> > Filter = 1;
>> > Exclude =
C >0;
>> > Buy = Cross(C, 20);
>> >
>> >
AddColumn(C, "Close", 5.2);
>> > AddColumn(Exclude, "Exclude",
5.2);
>> >
>> > AddColumn(Buy, "Buy", 5.2);
>>
>
>> >
>> >
>> >
>>
>
>> > Please note that this group is for discussion between
users only.
>> >
>> > To get support from AmiBroker
please send an e-mail directly to
>> > SUPPORT {at}
amibroker.com
>> >
>> > For NEW RELEASE ANNOUNCEMENTS
and other news always check DEVLOG:
>> > http://www.amibroker.com/devlog/
>> >
>> > For other support material please check
also:
>> > http://www.amibroker.com/support.html
>> >
>> > Yahoo! Groups Links
>>
>
>> >
>> >
>> >
>>
>
>>
>>
>>
>> Please note that this group
is for discussion between users only.
>>
>> To get support
from AmiBroker please send an e-mail directly to
>> SUPPORT {at}
amibroker.com
>>
>> For NEW RELEASE ANNOUNCEMENTS and other
news always check DEVLOG:
>> http://www.amibroker.com/devlog/
>>
>> For other support material please check
also:
>> http://www.amibroker.com/support.html
>>
>> Yahoo! Groups
Links
>>
>>
>>
>>
>
>
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