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Just so it is on the table, something like this is what I had in mind
when I suggested a text or .csv config file for controlling output
columns:
MetricName, ColWidth
Net Profit, 30
Net % Profit, 35
Exposure %, 50
CAR, 25
etc.
This is human readable, and easily editable in either Notepad or Excel.
Offhand, I see no advantage to the end user in XML-izing this, at
least so long as the presence and width of the column is all the info
that is being carried.
I think that this would be the simplest fully flexible solution, both
to implement and to use.
I would then add one new call in AFL that let's the user specify the
path to the config file, allowing any of many to be chosen.
--- In amibroker@xxxxxxxxxxxxxxx, Keith McCombs <kmccombs@xxx> wrote:
>
> As a user, who has already invested much time in learning AFL, I would
> rather not have to learn yet another language such as XML (assuming it
> is a language). What's wrong with an AFL function/procedure like
> AddColumn() or AddCustomMetric()? In fact, don't we already have them?
>
> Steve Dugas wrote:
> >
> > I am glad you liked it. 8 - ) I don't know anything about XML or
> > how that would work, but I would guess that most users would prefer
> > not to write all their own stat functions from scratch, so perhaps
> > your XML idea ( which sounds more flexible ) might be appreciated by
> > more users?
> >
> > Steve
> >
> > ----- Original Message -----
> > *From:* Tomasz Janeczko <mailto:groups@...>
> > *To:* amibroker@xxxxxxxxxxxxxxx <mailto:amibroker@xxxxxxxxxxxxxxx>
> > *Sent:* Monday, January 19, 2009 3:46 PM
> > *Subject:* Re: Re[2]: [amibroker] Re: How NOT to show all the
> > built-in metrics in the backtester?
> >
> > That's not bad idea :-). Either this or XML config file that you
> > can manually edit would be solution for advanced users.
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> >
> > ----- Original Message -----
> > *From:* Steve Dugas <mailto:sjdugas@...>
> > *To:* amibroker@xxxxxxxxxxxxxxx
> > <mailto:amibroker@xxxxxxxxxxxxxxx>
> > *Sent:* Monday, January 19, 2009 8:17 PM
> > *Subject:* Re: Re[2]: [amibroker] Re: How NOT to show all the
> > built-in metrics in the backtester?
> >
> > Perhaps, if TJ doesn't plan on implementing individual column
> > control, a much simpler feature might be just a switch
> > allowing us to turn all columns on or off. Speaking for
> > myself, I have written my own code for many of AB's stats, as
> > well as other stats, originally for use in my charts but now I
> > have added them to the backtest results also via the CBT, so I
> > would be happy to just turn off AB's built-in stats ( would
> > save a lot of scrolling and moving columns around ). Anyway
> > just a thought, I don't know how others feel about it...
> >
> > Steve
> >
> >
> > ----- Original Message -----
> > *From:* Herman <mailto:psytek@...>
> > *To:* Tomasz Janeczko <mailto:amibroker@xxxxxxxxxxxxxxx>
> > *Sent:* Monday, January 19, 2009 4:43 AM
> > *Subject:* Re[2]: [amibroker] Re: How NOT to show all the
> > built-in metrics in the backtester?
> >
> > Column control was suggested long ago and I still think
> > that being able to select, by disabling from afl (of
> > course NOT using check boxes!) would be a good idea. I,
> > without exception after each and every Backtest, have to
> > use the scroll bar to see my columns of interest. I
> > greatly miss being able to add/suppress columns without
> > the use of the CBT.
> >
> >
> > Since in the back tester column layout is fixed a simple
> > afl function like HideColumns( 3, 2-9, 15 ) would do
the job.
> >
> >
> > A alternate solution would be for Tomasz to publish a CBT
> > backtester on the KB that would mimic the standard BT but
> > provided the above option.
> >
> >
> > ... while on the topic of reports ... it would also be
> > nice to have the AddSummaryRows() enabled for portfolio
> > backtests :-)
> >
> >
> > We have a wonderful product but there are always more
> > wishes ;-))
> >
> >
> > Best regards,
> >
> > herman
> >
> >
> >
> >
> >
> > Sunday, January 18, 2009, 7:34:01 PM, you wrote:
> >
> >
> > >
> >
> >
> >
> > Hello,
> >
> >
> >
> > "that no columns be displayed by default, and that the all
> > columns and their widths be specified programmatically
> > and/or in a settings page."
> >
> >
> >
> > Since there are 46 build in stats, implementing your idea
> > means 46 new checkboxes
> >
> > and 46 edit fields (to define widths)
> >
> >
> >
> > That's 92 new controls (to be placed on dialogs, docs and
> > so on).
> >
> >
> >
> > More settings -> more problems for beginners -> Lower
> > sales. Plus more support
> >
> > (every beginner asking "where is K-ratio", and "why there
> > are no metrics produced?"
> >
> > and "why there are so few metrics?")
> >
> >
> >
> > From my perspective it would not be improvement. Just the
> > opposite.
> >
> >
> > Best regards,
> >
> > Tomasz Janeczko
> >
> > amibroker.com
> >
> > ----- Original Message -----
> >
> > From: Keith McCombs <mailto:kmccombs@...>
> >
> > To: amibroker@xxxxxxxxxxxxxxx
> > <mailto:amibroker@xxxxxxxxxxxxxxx>
> >
> > Sent: Saturday, January 17, 2009 10:48 PM
> >
> > Subject: Re: [amibroker] Re: How NOT to show all the
> > built-in metrics in the backtester?
> >
> >
> > Ozzy --
> >
> > Yes, at this point it seems to be easier to live with all
> > the extra columns than to learn how OLE works.
> >
> >
> > I believe, long ago, before the suggestion page was
> > implemented on AB site, that I suggested to TJ that no
> > columns be displayed by default, and that the all columns
> > and their widths be specified programmatically and/or in a
> > settings page. Obviously the suggestion was not
> > implemented. IMHO, it would be a significant improvement
> > over the present system.
> >
> >
> > I did get your previous response. But I understand your
> > concern. I had to post my request three times before it
> > finally went through. My two others were on 1/14, 1:04am
> > and 1/16, 1:39am. Just recently these were finally
> > delivered. Yahoogroups can be unbelievably slow at times.
> >
> > -- Keith
> >
> >
> > ozzyapeman wrote:
> >
> > Seems my response did not go thru. Reposting:
> >
> >
> > Keith - did not get around to implementing any OLE. Living
> > with the
> >
> > extra columns for now. But if I do write any code for it,
> > will post it
> >
> > here in the future.
> >
> >
> > --- In amibroker@xxxxxxxxx
> > <mailto:amibroker%40yahoogroups.com>ps.com
> > <mailto:amibroker%40yahoogroups.com>, Keith McCombs
> > <kmccombs@> wrote:
> >
> > >
> >
> > > Ozzy --
> >
> > > Any chance you have already gone through the pain of
> > implementing the
> >
> > > appropriate OLE code. If so, would it be possible to
> > share it and some
> >
> > > brief instructions on how to use it? That would be
> > greatly appreciated.
> >
> > >
> >
> > > Thank you.
> >
> > > -- Keith
> >
> > >
> >
> > > ozzyapeman wrote:
> >
> > > >
> >
> > > > I asked this Q on the board a few weeks ago, and the
> > consensus was
> >
> > "no".
> >
> > > >
> >
> > > > But you can export the report using OLE and run an
> > exploration showing
> >
> > > > only the columns you want:
> >
> > > >
> >
> > > > http://finance.
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>groups.yahoo.
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>com/group/
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>amibroker/
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>message/132540
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>
> >
> > > > <http://finance.
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>groups.yahoo.
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>com/group/
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>amibroker/
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>message/132540
> >
<http://finance.groups.yahoo.com/group/amibroker/message/132540>>
> >
> > > >
> >
> > > > --- In amibroker@xxxxxxxxx
> > <mailto:amibroker%40yahoogroups.com>ps.com
> > <mailto:amibroker%40yahoogroups.com>
> >
> > <mailto:amibroker%40yahoogroups.com>,
> >
> > > > "huanyanlu" <huanyan2000@> wrote:
> >
> > > > >
> >
> > > > > Hi,
> >
> > > > >
> >
> > > > > I just learned to add some custom metrics into
> > backtester. But
> >
> > then I
> >
> > > > > find that some of the built-in metrics in the
> > backtester are not
> >
> > > > > important in my way of analysis. So is there a
way to
> > show only
> >
> > some of
> >
> > > > > the built-in metrics , together with my added custom
> > metrics ?
> >
> > > > >
> >
> > > > > According to the help file, it seems that the
> > backtester object can
> >
> > > > > allow you either show all the built-in metrics, or
> > not show any of
> >
> > > > > them .
> >
> > > > >
> >
> > > > > Thanks for any help
> >
> > > > >
> >
> > > > > Huanyan
> >
> > > > >
> >
> > > >
> >
> > > >
> >
> > >
> >
> >
> >
> >
> >
>
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