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hi,
you have the AddToComposite function that may count occurrences of the WHOLE data array. If you put this in a symbol for instance ~COUNT and then run SUM(~COUNT, 10) this would give you the occurrences over the last 10 days.
So,
AddToComposite( IIf(Close < Ref( Close, -1 ) AND V > Ref(V,-1),1, 0 )),"~COUNT","V");
this counts the occurrences and puts them into the symbol ~COUNT. Then you get the symbol using:
tt = FOREIGN("~COUNT","V");
and you may plot the number of occurrences over the past 10 days using:
Plot(SUM(tt,10),"",colorBlue,1);
another option is to use static variables (but I have not much experience with them yet)
rgds, Ed
----- Original Message -----
From: vepardue
To: amibroker@xxxxxxxxxxxxxxx
Sent: Wednesday, August 18, 2004 4:54 AM
Subject: [amibroker] Count function in Amibroker?
I am trying to code the distribution days outlined by O'Neil in his
book, and I seem to remember it being discussed here some time ago,
but could not find it with a search.
Anyway, what I am wondering, is how do you write the code for 3
occurrences (or more) of your variable over the last 10 bars?
I have everything except for trying to code 3 distribution days over
the previous 10 bars. And I am wondering if there is a "count"
function in Amibroker that I have overlooked from the
documentation. Any help is greatly appreciated!!
Distribution = IIf( (Close < Ref( Close, -1 ) AND V > Ref(V,-1) ),
colorRed, colorBlue );
Plot( Volume , "Volume", Distribution , styleLeftAxisScale |
styleHistogram | styleThick );
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