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Hi Anthony,
I believe that CUM ignores your range settings, and always
starts at the beginning of your data. You could use SUM instead, but
you would need to either figure out how many days you are testing or switch
range to "n = (number of periods in SUM function)".
Steve
<BLOCKQUOTE dir=ltr
>
----- Original Message -----
<DIV
>From:
Anthony Faragasso
To: <A title=amibroker@xxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Monday, April 29, 2002 10:08
PM
Subject: [amibroker] Tj:Counting buy
signals
Tomasz,I added a counter at the end of my trading
system inorder to count thenumber of buy signals that are generated buy
the system specificallyrelated to the range settings , and also to check
the validity of theexrem
functions.filter=1;AddColumn((Cum(Buy)),"buy",1);I set
Range : from 1/1/00 to: 4/26/02.The first buy signal in
the range specified above occured on 4/10/00,but the counter
has recorded 6 buy signals prior to the range settings,Do these priorbuy
signals influence the backtest results ? Why arethere buy signals prior to
the range settings, shouldn't the signals berestricted to the range
settings ?Thank you in advanceAnthonyYour
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