Re: [amibroker] Re: Some more Question, AmiBroker Email List Archive

----- Original Message -----
From: bruce1r
Date: Wednesday, April 29, 2009 10:25 am
Subject: [amibroker] Re: Some more Question
To: amibroker@xxxxxxxxxxxxxxx

> As long as I'm on the board this morning, I thought it might be of
> interest to expand on the info about the uses for Batman and
> batch jobs.
> I've long found it curious that many people don't make more use
> of this
> program. I've actually told Fred in the past that he should
> charge for
> it as well as IO :-)
>
> Anyway, I thought I'd just list some of the things that I use it
> for to
> perhaps stimulate some ideas -
>
> * Nightly generation of updated market and index timing signals
> * Automated e-mail of signal changes
> * Automated update of portfolio model rotations
> * Automated stock and ETF alerts from drawn trendlines,
> support/resistance, etc.
>
> * Capture of AA HTML output and FTP to web site
> * Capture of chart PNG's and FTP to web site
> The bottom line is that Fred has fought through many of the special
> cases involved in AB automation, and handles a significant
> amount of
> complexity for you in Batman. I'd encourage you to invest the
> time and
> think through ways that it might help your particular situation.
>
> -- BruceR
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Mike" wrote:
> >
> > 1. It's a program to allow you to manage a "batch" of "jobs"
> where a
> job is defined as an AmiBroker operation such as a backtest,
> explorationor scan, and a batch is a collection of jobs to be run.
> >
> > 2. It is not that running batch files is particularly
> important. But,
> it may be useful if you find yourself repeatedly wanting to run
> a series
> of jobs and you don't want to hang around waiting for each to finish
> before firing off the next one.
> >
> > You can download the program from the Files section of this
> site. It
> includes a user guide that may help clarify its usage. I haven't
> personally made use of it, so cannot offer much more than that
> by way of
> description.
> >
> > Relating to your earlier thread, Batman does highlight yet another
> advantage of AmiBroker over other backtesters; AmiBroker is
> exposed as
> an OLE object and thus can be driven externally using COM from
> any other
> language (e.g. C++, Java, JScript, etc).
> >
> > Mike
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "caternore" caternore@ wrote:
> > >
> > > Mike,
> > >
> > > This may sound stupid, but I have 2 questions
> > >
> > > 1)what is a batch manager?
> > >
> > > 2)why is running batch files important?
> > >
> > > Thank you
> > > ACE
> > >
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Mike" wrote:
> > > >
> > > > 1. Batman is a batch manager for running batch files. It is
> available in the files section of this group.
> > > >
> > > > 2. I believe that it is still an issue. I believe that it means
> that the categorization of symbols is limited to a tree of depth 2
> rather than the 4 actually available from ICB
> ([BLINK: http://www.icbenchmark.com/icb_structure.html).]
> Unless
> you're trying to
> run a strategy against the less refined granularity, it should
> not be an
> issue. Even so, you could probably create a watchlist and add
> all the
> symbols from the more refined categorizations into it, thereby
> creating,in effect, the less granular categorization.
> > > >
> > > > 3. I believe that this is still an issue. Easy workaround as
> described by Norgate in the blurb provided.
> > > >
> > > > Mike
> > > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "caternore"
> wrote:> > > >
> > > > > Hello all again, I have some more question after doing some
> research.
> > > > >
> > > > > 1) What is Batman
> > > > >
> > > > > 2 )I was looking at the Norgate data site when I came across
> this.
> > > > > (Unfortunately as AmiBroker only supports two levels of
> classifications we've decided (after a quick user poll) to
> provide ICB
> levels 3 & 4 only.)
> > > > >
> > > > > What does this mean and have this issue been resolved?
> > > > >
> > > > > 3) Another question from the Norgate Data site.
> > > > >
> > > > > (Why does the volume on the S&P 500, S&P 1500, NASDAQ
> Composite,NYSE Composite, and weekly charts of ASX Indices
> sometimes show as a
> negative number?
> > > > >
> > > > > By design, AmiBroker stores volume data internally in a data
> structure known as a 32 bit signed integer. This data structure can
> store whole numbers in the range of -2,147,483,648 through
> 2,147,483,647. If the volume figure exceeds the maximum figure, an
> "overflow" condition occurs and the volume wraps around to a negative
> number. For example, the NYSE Composite index had a volume of
> 3,745,144,031 on Friday 3 May 2008 which significantly exceeds the
> amount. This is why negative volume is shown on days of very
> high volume
> in those few high-volume indexes.
> > > > > A workaround is available inside AmiBroker, allowing you to
> divide the volume by a factor. To implement this click File ->
> DatabaseSettings then click the Configure button. In the "Divide
> Volume By"
> field enter a number (eg. 10 or 100 or 1000 - right now 10 seems
> to be
> effective across all the US markets for the time being).
> > > > > A better solution would be for AmiBroker to use a bigger or
> better data structure (eg. 64 bit unsigned integer) or a
> floating point
> field to accommodate such high volumes. If you would like this
> to be
> implemented within AmiBroker please login to the AmiBroker Feedback
> Center. After logging in then click here to show issues #636 and
> add a
> comment requesting a permanent solution to the issue.)
> > > > >
> > > > > Has this been resolved?
> > > > >
> > > > > Thank you.
> > > > > ACE
> > > > >
> > > >
> > >
> >
>
>