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Hi,
Again, AFL scripting host brings MUCH, MUCH more
power AND flexibility than PREV.
<A
href="">http://www.amibroker.com/docs/ab400.html
Best regards,Tomasz Janeczko===============AmiBroker - the
comprehensive share manager.<A
href="">http://www.amibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Daniel Ervi
To: <A title=amibroker@xxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Friday, September 07, 2001 7:18
PM
Subject: RE: [amibroker] Another PREV
example
Hi
Tomasz,
<FONT face=Arial color=#0000ff
size=2>
I
have to agree with Jon in that I still think some variation of the PREV
function should be implemented. Yes it is a slow computing function, but
in the context that it is used with today's computer speeds, it really isn't
that great of an issue. I understand that it would slow down Automatic
Analysis scans and back testing, but it still offers flexibility to the
end user. I find that working around the absence of the function
requires one to reformulate their ideas. This adds an additional layer
of complexity that I feel is unnecessary, especially for those that aren't
full-time programmers. Last night I spent two hours trying to figure out
how to implement the trade day function without using PREV, which could have
been better spent performing analysis. I'm all for testing my ideas
first and then reworking my code for performance benefits if it is too
slow. It helps to be able to implement new ideas quickly, with a minimum
of time invested.
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Perhaps it could be implemented and then use of it would be discouraged
in the help file? Or implemented, but not supported
or documented?
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Either way, AmiBroker still remains one of the most powerful financial
analysis programs out there. Keep up the great work!
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Daniel
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Tahoma
size=2>-----Original Message-----From: Tomasz Janeczko
[mailto:amibroker@xxxx]Sent: Friday, September 07, 2001 7:34
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re:
[amibroker] Another PREV example
Hello,
This is the reason why I think it is agood
idea NOT to have PREV in AFL.
In 80% of cases things may be coded without it
in much more efficient manner
(remember MS's PREV is very slow). Therest 20%
of cases could be coded
in script (also much more
efficiently).
Best regards,
Tomasz Janeczko
amibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Daniel Ervi
To: <A
title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: 07 September, 2001 12:44
Subject: RE: [amibroker] Another PREV
example
<FONT face=Arial color=#0000ff
size=2>Hey that worked perfectly!
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>It just goes to show that there is always a different perspective
for every problem. I never thought to use the barssince
function.
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Thanks Jon and David for your help!
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>Daniel
<FONT face=Tahoma
size=2>-----Original Message-----From: jonf
[mailto:jonf_ca@xxxx]Sent: Thursday, September 06, 2001
11:25 PMTo: <A
href="">amibroker@xxxxxxxxxxxxxxxSubject:
Re: [amibroker] Another PREV example
Daniel,
barssince( month() != ref(month(),-1) ) +
1;
Hope this will help !
Tell me if it's not what you want !
Jon.
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Daniel
Ervi
To: <A
title=amibroker@xxxxxxxxxxxxxxx
href="">Amibroker Yahoo Group
Sent: Thursday, September 06,
2001 10:32 PM
Subject: [amibroker] Another PREV
example
Hi All,I've been struggling to figure out
how to code an MS indicator in AFLwithout using VBScript or
JScript. The function is pretty straight forward,but the
solution still eludes me. Here is the
function:
If(Month()<>Ref(Month(),-1),1,PREV+1)It is recursive,
which makes it very simple to understand. It is anindicator
that plots the current trade day number of the month.Can
anybody offer any ideas on how to get this going?Thanks in
advance!DanielYour use of Yahoo!
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