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RE: [amibroker] Sort and rank an array - vbscript or jscript



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Thanks Tomasz

 

What would be really kewl, but probably too computer processing intensive would be if you could have a watchlist, say the ASX300, and compared it too the ASX300 index, and was able to show its “relative strength ranking” … based on whatever formula you use, and you could display it on the chart, like how IBD does, shown on this page

 

http://www.investors.com/dsa/

 where the one in the picture has a ranking of 87.

 

Is that possible ?

 

Regards

 

Dave

 

 

 


From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Tomasz Janeczko
Sent: Saturday, 24 September 2005 11:36 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Sort and rank an array - vbscript or jscript

 

Hello,

 

PositionScore does work on watch list as well and allows to enter trades being within top 80% of your rank.

How?
Let's assume you watch lists consists of 100 symbols.

You set the FILTER in AA to contain only your watch list,

and

use

SetOption("MaxOpenPositions", 20 );

PositionSize = -5; // 5% = 100% / 20 positions

 

 

20 open positions out of 100 symbols represent exactly symbols that are ranked 80% and more.

 


Best regards,
Tomasz Janeczko
amibroker.com

----- Original Message -----

From: dpweir

Sent: Saturday, September 24, 2005 1:23 PM

Subject: [amibroker] Sort and rank an array - vbscript or jscript

 

Hello

I was wanting to sort and rank an array of all the symbols and corresponding value, example RS or close, in a watchlist.

I have knocked together an AFL script that does this, using example code from the AFL library, however it is incredibly slow on a watchlist of 300 symbols.

I was wondering if it was faster to do this using jscript (sort  method?) or vbscript (quick sort algorithm ?), and if example code could be provided.

Also I realise on the Amibroker library there is an example of both sort and rank, but there appears to be no doumentation on how to use this in the library or in the mailing list.

 

I realise there is positionscore, however it does not appear to do what I require in this instance, to me it only appears useful when you are comparing a few securities with each other, and it does not rank an entire watchlist, filtering a trade to within the top 80% of a value based on rank.

 

Regards

 

Dave

 

 






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