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[amibroker] Re: video tutorials



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Hi Herman,

No, but I am feeling the urge.

I'll have a go at if if you want me to be the yellow canary (PM me).

In some ways, walk through articles are still better (IMO) but not in 
terms of return for effort (videos take less time to make and 
the 'training' filters in better - it is more on the subliminal 
level).

Word/images are necessary for technical detail though (spec sheets 
etc).

Tomaz's video program leads look like the ones to follow.

brian_z


--- In amibroker@xxxxxxxxxxxxxxx, "Herman" <psytek@xxx> wrote:
>
> Brian,
> 
> did you make any videos? I may have missed them...
> 
> herman
> 
> --------------------------------------------------
> From: "brian_z111" <brian_z111@xxx>
> Sent: Tuesday, February 12, 2008 6:13 PM
> To: <amibroker@xxxxxxxxxxxxxxx>
> Subject: [amibroker] Re: no amibroker book?
> 
> > Also - Tomasz trumped me, as usual, because he has listened to 
all of 
> > our comments (we discussed all of this stuff in depth in the UKB 
> > committee meetings as well as here) and his reponse was to start 
> > producing videos.
> > 
> > His perception is spot on in that videos pack the most 'bang for 
the 
> > buck' when it comes to training - maybe I should film more and 
write 
> > less - at least they are easier to maintain into the future (dump 
the 
> > old one and spend 15 minutes making a new one).
> > 
> > Keep up the good work Tomasz,
> > 
> > brian_z
> > 
> > 
> > 
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "brian_z111" <brian_z111@> 
wrote:
> >>
> >> Good day Ed,
> >> 
> >> A very interesting background, and comments, especially since 
you 
> >> don't post all that often.
> >> 
> >> I spent 25 years in mining and referenced semi-trailer loads of 
> > tech 
> >> manuals in that time, including manuals for gas analyzers. They 
> > were 
> >> full of legal disclaimers and pre-amble and the only sections 
that 
> >> were ever read, more than once, if at all, were the drawings and 
> > the 
> >> procedures - tech guys/engineers went straight to the drawings 
and 
> >> specs (mud maps) and operators went straight to the 'how to get 
it 
> >> going' procedures.
> >> 
> >> In fact more often than not the mudmups and the 20 pages of 
> >> procedures in the 1000 page manual were reprinted, bound and 
> >> circulated and the book itself sat in the cupboard untouched.
> >> 
> >> (Maybe I even read one of yours).
> >> 
> >> 99% of operators never ever even picked up the manual.
> >> They relied on the 1% to write the 20 page version.
> >> 
> >> People who do (the minority) are always vociferously criticized 
by 
> >> those who don't (usually in inverse proportions).
> >> 
> >> I think the motivation of AB owners is a lot higher than people 
in 
> >> the workplace though (on average).
> >> 
> >> I do empathise with Tomasz though - he must get sick of us 
> > constantly 
> >> dissecting his every move (sometimes people get a bit personal 
too 
> >> which I think is very harmful). Also manuals are a thankless 
task 
> >> because as soon as you finish them they are 'out of date'.
> >> 
> >> Having written a couple of posts for the UKB I know how hard it 
is 
> > to 
> >> write - people have no idea of the work I put into them and how 
I 
> >> agonize over the prose and the grammar (where will I put that 
> > comma?)
> >> 
> >> So in case I didn't make it clear before the only suggestion I 
am 
> >> making to Tomasz is re the manual - people do expect AB to be 
> >> accountable for the manual - I cringe when I go to it and see 
> >> obsolete content that has been there for more than one update 
(Yes -
> > 
> >> TOC/Indexes/Searchability are crucial).
> >> 
> >> However, while I talk about other 'training issues' I don't 
expect 
> >> anything outside of the manual and I don't expect Tomasz to 
anyting 
> >> else in that area (nice if he can but not realistic).
> >> 
> >> The community support is excellent but it will never be perfect 
or 
> >> perfectly organized and presented (unless we all do what Howard 
> > does 
> >> and sit down and write a formal presentation).
> >> 
> >> I have tried to do walk through/plenty of pictures/examples etc 
at 
> >> the UKB (that is what the UKB is for) don't know if I succeeded 
but 
> >> there just isn't enough hours.
> >> 
> >> So will I be seeing some posts from you at the UKB then?
> >> 
> >> While I am here I would like to redress one misconception.
> >> 
> >> I thought people were unfair, and lacked an understanding of 
> > Tomasz, 
> >> when they said they thought he couldn't write a good manual.
> >> 
> >> IMO Tomasz would make a very good author, and not only for 
> > technical 
> >> manuals. His grammar is better than mine and when he wants to he 
> > can 
> >> turn out a nice piece of prose (we have to remember English 
isn't 
> > his 
> >> first language - how would we go writing in Polish?). He is also 
a 
> >> creative person (an artist) and if he wanted to let loose on a 
book 
> > I 
> >> am sure he could do a good job.
> >> 
> >> The only reason IMO that the manual is lagging the program is 
> > because 
> >> Tomasz doesn't have the time and also it is not as much fun as 
> >> programming and he would rather be doing that (can't blame him 
for 
> >> that).
> >> 
> >> Re books:
> >> 
> >> I always think that it is a great privilige, and I can't believe 
> > how 
> >> lucky I am, to be able to prop 20 years of 
> > Howards/Kaufmans/Aronsons 
> >> life, in condensed form, beside my bed and read them over and 
over 
> >> until their experience blends with mine.
> >> 
> >> Thanks for your comments - really enjoyed them.
> >> 
> >> brian_z
> >> 
> >> 
> >> 
> >> 
> >> 
> >> --- In amibroker@xxxxxxxxxxxxxxx, "Ed Hoopes" <reefbreak_sd@> 
> >> wrote:
> >> >
> >> > I have been the author of about a dozen technical manuals for
> >> > industrial gas analyzers that used embedded computers/software 
to 
> >> run
> >> > the instruments.  Several were about 200 pages long.
> >> > 
> >> > As such, I have heard all of the criticisms about inadequate 
> >> manuals.
> >> > Too long, too short, too detailed, over simplified, too 
> > theoretical 
> >> etc.
> >> > 
> >> > Here is my perspective:
> >> > 1. A "Quick Start" guide is good - patterned after many modern
> >> > electronic devices we buy today - tabloid size or larger - 
> >> everything
> >> > on one page - lots of diagrams - fewer words - in the book as a
> >> > tear-out section.
> >> > 2. As a former 2nd year algebra teacher (before I got into 
> >> instrument
> >> > design) - I think large numbers of errors are due to not 
knowing 
> > the
> >> > rules of algebra as implemented in software.  The users will 
take
> >> > their algebra errors and blame it on the software.
> >> > 3. Maybe something on 'structured walk thru' techniques (or 
what 
> >> ever
> >> > is popular now)  -  to get users to fully think through 
everything
> >> > they are trying to code for.
> >> > 2. Example code of some relatively simple analysis - Years ago 
IBM
> >> > taught SQL(I think) using 'query by example', so maybe a 
chapter 
> > on
> >> > 'Coding *.afl by example'
> >> > 4. Finally, EACH USER of your book will have different 
> >> expectations -
> >> > you will not be able to make everyone happy, so in publishing 
your
> >> > guide, expect a steady stream of 'Don't buy Howard's book  -  
It
> >> > didn't help me' kinds of comments.
> >> > 
> >> > BTW  -  I bought QTS (2 copies - I gave one away) - I liked it.
> >> > 
> >> > Ed Hoopes
> >> > 
> >> > PS 
> >> > Spending lots of time on the ToC and Index reduces the 
complaints,
> >> > especially if you can direct them to that area to locate their 
> >> answer.
> >> >  After a few complaints, they will start to look there rather 
> > than 
> >> post.
> >> > 
> >> > 
> >> > 
> >> > 
> >> > 
> >> > 
> >> > 
> >> > --- In amibroker@xxxxxxxxxxxxxxx, "chorlton_c_hardy"
> >> > <chorlton-c-hardy@> wrote:
> >> > >
> >> > > 
> >> > > Hello Howard,
> >> > > 
> >> > > As a reader of your last book, I for one, look forward to 
> > reading 
> >> it.
> >> > > 
> >> > > I have read your last book a number of times now and still 
keep 
> >> > > learning new elements!!!  Maybe I'm just a slow learner 
> > though :-/
> >> > > 
> >> > > Also, as a newbie to Amibroker & its langauge I'm very 
> > surprised 
> >> no 
> >> > > one has considered writing one before, given the popularity 
of 
> >> this 
> >> > > excellent piece of software, so its good to hear that one is 
> > now 
> >> in 
> >> > > the pipeline.....
> >> > > 
> >> > > All the best,
> >> > > 
> >> > > Chorlton
> >> > > 
> >> > > --- In amibroker@xxxxxxxxxxxxxxx, "Howard B" <howardbandy@> 
> > wrote:
> >> > > >
> >> > > > Hi Christopher --
> >> > > > 
> >> > > > Since the book is so closely associated with AmiBroker, 
I'll 
> >> use the
> >> > > > AmiBroker forum groups to announce the book.
> >> > > > 
> >> > > > SO far, there are plans for only a printed version.  But 
that 
> >> might 
> >> > > change.
> >> > > > 
> >> > > > Thanks,
> >> > > > Howard
> >> > > > 
> >> > > > On Feb 11, 2008 4:07 AM, Christopher <chrisjeal@> wrote:
> >> > > > 
> >> > > > >   Hi Howard,
> >> > > > > I would be interested in a book on how to use Amibroker 
> >> > > correctly, how
> >> > > > > will you let people know when you have published the 
book?
> >> > > > >
> >> > > > > Have you thought of selling it as a pdf something like 
on 
> >> > > clickbank?
> >> > > > > As you will have no costs up front and will sell as many 
as 
> >> > > wanted no
> >> > > > > more and no less - also you could offer updated pages as 
> >> needed.
> >> > > > > Just an Idea.
> >> > > > > Yours
> >> > > > > Chris
> >> > > > >
> >> > > > >
> >> > > > > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%
> >> > > 40yahoogroups.com>, "Howard B"
> >> > > > > <howardbandy@> wrote:
> >> > > > > >
> >> > > > > > Greetings all --
> >> > > > > >
> >> > > > > > What a nice surprise, it looks like there is a new 
price 
> >> point. 
> >> > > I
> >> > > > > did not
> >> > > > > > think the market would bear so much. (Grin)
> >> > > > > >
> >> > > > > > " I WILL GET IT but I would pay $120.00 for the very 
> > basics 
> >> in 
> >> > > afl in a
> >> > > > > > minute. "
> >> > > > > >
> >> > > > > > "Introduction to AmiBroker" is alive and well. I have 
> > other
> >> > > > > projects that
> >> > > > > > are getting done along with writing it. Some days 
> >> Introduction 
> >> > > is
> >> > > > > on the
> >> > > > > > top of the list, other days it is not. But it will be 
> >> published.
> >> > > > > >
> >> > > > > > It will be pretty much what its title says -- a book 
about
> >> > > > > AmiBroker. Since
> >> > > > > > AmiBroker is a trading system development platform, 
there 
> >> will 
> >> > > be
> >> > > > > discussion
> >> > > > > > of trading and trading systems. But, readers looking 
for 
> > a 
> >> book
> >> > > > > about the
> >> > > > > > design, testing, and validation of trading systems 
should 
> >> look 
> >> > > at
> >> > > > > > "Quantitative Trading Systems," which is already 
> > available. 
> >> The
> >> > > > > > Introduction book is a separate book, more about 
> > AmiBroker, 
> >> > > less about
> >> > > > > > trading systems, and at a more basic level. It is not 
a 
> > new 
> >> > > edition
> >> > > > > of QTS.
> >> > > > > >
> >> > > > > > Thanks for the suggestions about joint authorship. I 
have 
> >> > > already
> >> > > > > explored
> >> > > > > > that.
> >> > > > > >
> >> > > > > > The author of a book gets very little compensation -- 
no 
> >> matter 
> >> > > how
> >> > > > > it is
> >> > > > > > published. Top end compensation for the author(s) -- 
if 
> >> there 
> >> > > are
> >> > > > > multiple
> >> > > > > > authors, they split this -- is usually about 10% of 
the 
> >> retail 
> >> > > price
> >> > > > > of the
> >> > > > > > book. A $40 book gives two authors $2.00 each per copy.
> >> > > > > Introduction to
> >> > > > > > AmiBroker might sell 2000 copies over two or three 
years. 
> >> At 
> >> > > the rate
> >> > > > > > Tomasz is expanding the capabilities of AmiBroker, it 
> > would 
> >> be 
> >> > > unwise to
> >> > > > > > make too large a press run, and wise to plan on 
revised 
> >> editions
> >> > > > > regularly.
> >> > > > > > There are several sections I have re-written already 
as 
> >> > > AmiBroker
> >> > > > > changed,
> >> > > > > > and the first edition has not yet gone to press.
> >> > > > > >
> >> > > > > > There is little reward and a lot of difficulty 
> > coordinating 
> >> > > efforts.
> >> > > > > The
> >> > > > > > logistics of two people working from different 
locations 
> > on 
> >> a 
> >> > > manuscript
> >> > > > > > several hundred pages long are very difficult.
> >> > > > > >
> >> > > > > > It is a one-person job.
> >> > > > > >
> >> > > > > > Thanks,
> >> > > > > > Howard
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > >
> >> > > > > > On Feb 8, 2008 12:25 PM, Ronald Davis <xokie7@> wrote:
> >> > > > > >
> >> > > > > > > Lloyd>>>I, also would like to see a presentation 
using 
> >> first
> >> > > > > principles.
> >> > > > > > > My
> >> > > > > > >
> >> > > > > > > understanding is that Howard will be completing an 
> > entry 
> >> > > level book
> >> > > > > > > this spring as soon as he completes some obligations 
> > this 
> >> > > month.
> >> > > > > > >
> >> > > > > > > It might be a better book if Howard and Graham were 
to 
> >> agree 
> >> > > to
> >> > > > > JOINTLY
> >> > > > > > > write the book. The best and most understandable 
> >> explanations 
> >> > > that
> >> > > > > have
> >> > > > > > > been given to me have been those from Graham. Graham 
> >> seems to 
> >> > > have an
> >> > > > > > > outstanding ability to describe things in a very 
> >> > > understandable
> >> > > > > way. Here
> >> > > > > > > is his description of SUM from the user manual. Ron D
> >> > > > > > >
> >> > > > > > >
> >> > > > >
> >> > > > > 
> >> > > 
> >> 
> > 
======================================================================
> >> > > =====
> >> > > > > > > Sum adds up the last "n" number of bars. It sums 
> > whatever 
> >> you 
> >> > > put
> >> > > > > into the
> >> > > > > > > first part of the sum formula.
> >> > > > > > >
> >> > > > > > > Cum(1) adds 1 to the previous value of Cum, so the 
> > first 
> >> bar 
> >> > > is 1
> >> > > > > and it
> >> > > > > > > just keeps adding one to the last bar value of cum
(1).
> >> > > > > > > You can use Cum to add anything, like how many times 
> > you 
> >> get
> >> > > > > rising days
> >> > > > > > > in
> >> > > > > > > the entire chart:
> >> > > > > > >
> >> > > > > > > Rise = C>O; //this gives results of 0 or 1
> >> > > > > > > TotalRise = Cum(Rise);
> >> > > > > > >
> >> > > > > > > You could limit this as well to time periods, or any 
> >> other 
> >> > > condition
> >> > > > > > > Example
> >> > > > > > > would be one for total rise days since 1995:
> >> > > > > > >
> >> > > > > > > RecentRise = C>O and Year()>=1995; //this gives 
results 
> >> of 0 
> >> > > or 1
> >> > > > > > > TotalRise = Cum(RecentRise);
> >> > > > > > >
> >> > > > > > > If you wanted to know how many rising days in the 
last 
> > 12 
> >> > > bars you
> >> > > > > would
> >> > > > > > > use:
> >> > > > > > >
> >> > > > > > > LastRises = Sum(Rise,12);
> >> > > > > > >
> >> > > > > > > 
> >> > > 
> >> 
===================================================================
> >> > > > > > >
> >> > > > > > > ----- Original Message -----
> >> > > > > > > From: "Thomas Ludwig" <Thomas.Ludwig@ <Thomas.Ludwig%
> >> > > 40gmx.de>>
> >> > > > > > > To: <amibroker@xxxxxxxxxxxxxxx <amibroker%
> >> > > 40yahoogroups.com><amibroker%40yahoogroups.com>>
> >> > > > > > > Sent: Friday, February 08, 2008 1:14 PM
> >> > > > > > > Subject: Re: [amibroker] Re: no amibroker book?
> >> > > > > > >
> >> > > > > > > > brian_z111 wrote:
> >> > > > > > > >
> >> > > > > > > >> However, I also agree with the others that we 
need a 
> >> good 
> >> > > AFL book
> >> > > > > > > >> and IMO Tomasz is the man to write it - yes, even 
if 
> >> he 
> >> > > has to stop
> >> > > > > > > >> development to do it - take a sabbatical and get 
out 
> >> the 
> >> > > feathered
> >> > > > > > > >> pen Tomasz
> >> > > > > > > >
> >> > > > > > > > Brian, I agree with Paul and vlanschot that TJ 
cannot 
> >> > > afford to
> >> > > > > do this.
> >> > > > > > > > And quite frankly - no offense meant, TJ!!! - I'm 
not 
> >> sure 
> >> > > if
> >> > > > > he's the
> >> > > > > > > > right guy to do this. I'm afraid he's frequently 
> >> thinking 
> >> > > in quite
> >> > > > > > > > different categories than most of us who are non-
> >> > > programmers and
> >> > > > > > > > apparantly much more simple-minded ;-) He's often 
> > made 
> >> the 
> >> > > statement
> >> > > > > > > > that every AB user should read the manual from the 
> >> first to 
> >> > > the last
> >> > > > > > > > page over and over again. Yes, true - but that 
> > doesn't 
> >> > > really
> >> > > > > help in
> >> > > > > > > > many situations.
> >> > > > > > > >
> >> > > > > > > > Examples? The description of Exrem and Exremspan - 
> >> without 
> >> > > hints
> >> > > > > from
> >> > > > > > > > other guys here in the mailing list (who are 
> > obviously 
> >> more
> >> > > > > intelligent
> >> > > > > > > > than I am) I would never have understood the whole 
> >> purpose 
> >> > > of these
> >> > > > > > > > functions and when to use them.
> >> > > > > > > > Another one: The description of Equity() - my 
> > goodness, 
> >> > > after
> >> > > > > all these
> >> > > > > > > > years I still have troubles at times to decide 
which 
> >> flag I
> >> > > > > should use
> >> > > > > > > > and with which consequences.
> >> > > > > > > >
> >> > > > > > > > There are many other examples of functions 
available 
> > in 
> >> AB 
> >> > > that
> >> > > > > may be
> >> > > > > > > > useful for me in specific situations - but I 
simply 
> >> don't 
> >> > > understand
> >> > > > > > > > and use them (like Varset). In the past I had very 
> >> often the
> >> > > > > > > > impression - with a "normal" occupation, a wife 
and 
> > two 
> >> > > children who
> >> > > > > > > > sometimes felt neglected - that I'm the wrong 
target 
> >> > > customer for AB
> >> > > > > > > > and TJ. But, well, over the years the moments of 
> >> > > desperation have
> >> > > > > > > > become fewer thanks to a lot of pasting of infos 
from 
> >> the 
> >> > > list here
> >> > > > > > > > (like Graham has mentioned).
> >> > > > > > > >
> >> > > > > > > > Having said this, I think an AFL book is needed 
> > written 
> >> > > strictly
> >> > > > > from
> >> > > > > > > > the user's perspective. I think most of us non-
> >> programmers 
> >> > > and
> >> > > > > > > > non-engineers are in need of "cooking recipes" 
that 
> >> > > organize,
> >> > > > > structure
> >> > > > > > > > or arrange the vast multitude of possibilities 
> >> available in 
> >> > > AB in
> >> > > > > > > > order to facilitate everyday usage of this 
excellent 
> >> > > application. A
> >> > > > > > > > nice example from the AB library as a starter 
would be
> >> > > > > > > > http://www.amibroker.com/library/detail.php?id=547
> >> > > > > > > >
> >> > > > > > > > Brian, Herman and you are doing a really marvelous 
> > job 
> >> for 
> >> > > the
> >> > > > > UKB. But
> >> > > > > > > > perhaps some more of such "cooking recipes" should 
be 
> >> > > included. It
> >> > > > > > > > would be great if more AB users could contribute 
them.
> >> > > > > > > >
> >> > > > > > > > Just my 2 cents ...
> >> > > > > > > >
> >> > > > > > > > Greetings,
> >> > > > > > > >
> >> > > > > > > > Thomas
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > > Please note that this group is for discussion 
between 
> >> users 
> >> > > only.
> >> > > > > > > >
> >> > > > > > > > To get support from AmiBroker please send an e-
mail 
> >> > > directly to
> >> > > > > > > > SUPPORT {at} amibroker.com
> >> > > > > > > >
> >> > > > > > > > For NEW RELEASE ANNOUNCEMENTS and other news 
always 
> >> check 
> >> > > DEVLOG:
> >> > > > > > > > http://www.amibroker.com/devlog/
> >> > > > > > > >
> >> > > > > > > > For other support material please check also:
> >> > > > > > > > http://www.amibroker.com/support.html
> >> > > > > > > >
> >> > > > > > > > Yahoo! Groups Links
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > >
> >> > > > > > >
> >> > > > > > >
> >> > > > > >
> >> > > > >
> >> > > > >  
> >> > > > >
> >> > > >
> >> > >
> >> >
> >>
> > 
> > 
> > 
> > 
> > Please note that this group is for discussion between users only.
> > 
> > To get support from AmiBroker please send an e-mail directly to 
> > SUPPORT {at} amibroker.com
> > 
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> > 
> > For other support material please check also:
> > http://www.amibroker.com/support.html
> > 
> > Yahoo! Groups Links
> > 
> > 
> > 
> >
>




Please note that this group is for discussion between users only.

To get support from AmiBroker please send an e-mail directly to 
SUPPORT {at} amibroker.com

For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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For other support material please check also:
http://www.amibroker.com/support.html
 
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