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Re: [amibroker] Re: INCLUDE subroutines



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Thanks Fred....I thought I read that somewhere....
 
-------Original Message-------
 
From: amibroker@xxxxxxxxxxxxxxx
Date: Sunday, April 06, 2003 15:11:40
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: INCLUDE subroutines
 
See -> http://www.amibroker.com/guide/afl/afl_view.php?name=%
23include 
 
--- In amibroker@xxxxxxxxxxxxxxx, "Bob Jagow" <bjagow@xxxx> wrote:
> Sounds familiar but PureBytes returned nada for 'nested [or nest]
> include'.
> 
> -----Original Message-----
> From: Anthony Faragasso [mailto:ajf1111@x...]
> Sent: Sunday, April 06, 2003 11:52 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] INCLUDE subroutines
> 
> 
> Also, wasn't there something about Nested #include statements......
> 
> -------Original Message-------
> 
> From: amibroker@xxxxxxxxxxxxxxx
> Date: Sunday, April 06, 2003 14:21:23
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] INCLUDE subroutines
> 
> Tomasz posted a while back re the downside to include.
> Think they included slowness and update problems because the code is
> cached.
> Didn't find the msgs because can't search for #include or include 
in the
> AmiBroker mailing list archive or the former in PureBytes.
> 
> Bob
> -----Original Message-----
> From: Ken Close [mailto:closeks@x...]
> Sent: Sunday, April 06, 2003 9:28 AM
> To: AmiBroker List
> Cc: 'Tomasz Janeczko'
> Subject: [amibroker] INCLUDE subroutines
> 
> 
> All:  I have done some work using a lot of include statements and 
wanted
> you to know about what I have done.  I also am requesting comments 
on
> some unusual observations. Perhaps if Tomasz replies, we can all 
learn
> some more about using the INCLUDE statement.
> 
> Background:
> 
> I have built a series of files using a "CORE" file, a "PLOT" file, 
and
> an "ANALYSIS" file.  While I realize that the commands are context
> sensitive, I am using so many different combinations of code lines, 
that
> it seems more simple to separate them. I also only need to change 
the
> CORE code one place and all indicators, backtests, combinations, 
etc.,
> will reflect the changes properly.
> 
> Also, as a small point, if I have a PLOT statement within the logic 
and
> I then use the Equity Plot (Tonetti's enhanced code), I get the 
Plot of
> the Equity lines PLUS the PLOT statement that is within the main 
code
> lines, which obviously distorts the equity display.  I avoid this 
with
> the separate PLOT subroutine.
> 
> DETAILS:
> 
> I call the "Core" code the following   T1C_NAME.afl.  It has all of 
the
> logic for the T1 "signal" I am building.
> 
> I call the Plotting code "T1P_NAME.afl, and it just contains some 
plot
> statements and the INCLUDE function calling T1C_NAME.afl.
> 
> I call the Analysis coce "T1A_NAME,afl, and it just contains the
> buy/sell logic and INCLUDE function calling T1C_NAME.afl.
> 
> As the NAME code evolves, I only have to change it one place.
> 
> I have found it very convenient to build combined signals with 
something
> like (not proper syntax--just trying to illustrate the idea):
> 
> INCLUDE (C:\......\T1C_NAME.afl;
> T1 = some logic...
> 
> INCLUDE (C:\......\T2C_NAME2.afl;
> T2 = some logic...
> 
> TSum = T1 + T2 + ....   (you should get the idea).
> 
> As I moved into Optimization, I observed the following two things
> (comment needed from Tomasz or others on this):
> 
> 1.  The optimization (of just one Core logic module) was very very 
slow
> (normally a 1-2 minute pass of 5800 steps took 11 minutes when done 
thru
> the INCLUDE statement.  Could it be that it is looking up the CORE 
code
> on each pass?
> 
> 2.  (Counter to #1), when I made a change in the key constants 
within
> the Core code, resaved it, reloaded the Analysis code and ran a
> backtest, the results used the original constants---IOW, it did not
> recognize the changes I had made in the called code.  I fiddled 
with it,
> but the only way I was able to get the changes recognized was to 
exit AB
> and restart AB.  Then the changes were recognized and the different
> results were displayed.
> 
> So the question is:  during optimize does the include statement go 
and
> read the original code on every pass, and if this is so, why do 
manual
> changes made to the called code not get recognized without exiting 
the
> program and restarting it??
> 
> I hope some of you find this interesting and if you have any 
comments or
> suggestions, please fire away.
> 
> Thanks,
> 
> Ken
> 
> 
> 
> 
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