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Thank
you Tomasz.
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: Tomasz Janeczko
[mailto:amibroker@xxxxxx]Sent: Monday, April 14, 2003 1:19
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: [amibroker]
AmiBroker 4.31.0 BETA Examples
Hello,
These for / while loops are IDENTICAL to those offered by C /
JScript
so any C / JScript book will do, including on-line resources
like:
<A
href="">http://msdn.microsoft.com/library/default.asp?url="";><A
href="">
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A href=""
title=jcasavant@xxxxxxxxxxxx>Jayson
To: <A
href=""
title=amibroker@xxxxxxxxxxxxxxx>amibroker@xxxxxxxxxxxxxxx
Sent: Monday, April 14, 2003 4:01
PM
Subject: RE: [amibroker] AmiBroker 4.31.0
BETA Examples
<SPAN
class=732395813-14042003>Thank you Tomasz. I have obviously gone from being
fairly high on the learning curve to Newbie in just one week end
:(
<SPAN
class=732395813-14042003>
<SPAN
class=732395813-14042003>Could you recommend a beginner level book that may
help some of us get up to speed with this new upgrade? I might as well be
reading Japanese , but I don't want to start THAT thread again
:))
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: Tomasz Janeczko
[mailto:amibroker@xxxxxx]Sent: Monday, April 14, 2003 3:54
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: [amibroker]
AmiBroker 4.31.0 BETA Examples
Hello,
While IIF works on ARRAY,
if/else works on INDIVIDUAL number/boolean (element of the
array).
Therefore you should write either
a1 = IIF( C > Ref( C, -1 ), 1, 0 );
(or even: a1 = C > Ref( C, -1 );
or iterate:
for( i = 1; i < BarCount; i++ )
{
if ( Close[ i ] > Close[ i - 1 ]
)
a1[ i ] =
1;
else
a1[ i ] =
0;
}
It is important to understand that IIF is a FUNCTION that
works on arrays,
while if/else is control flow STATEMENT.
Function just evaluates all arguments and returns
value(s)
Control flow statement changes program flow.
This is fundamental difference.
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A href=""
title=jcasavant@xxxxxxxxxxxx>Jayson
To: <A
href=""
title=amibroker@xxxxxxxxxxxxxxx>amibroker@xxxxxxxxxxxxxxx
Sent: Monday, April 14, 2003 7:55
AM
Subject: RE: [amibroker] AmiBroker
4.31.0 BETA Examples
<SPAN
class=934273705-14042003>Steve,
<SPAN
class=934273705-14042003>Your example makes sense yet does not seem to work
for me. Else seems to be ignored . Using the IIF this would simply be
......
<SPAN
class=934273705-14042003>a1=iif(c>ref(c,-1),1,0); I am certainly
missing something here.... your input appreciated..
<SPAN
class=934273705-14042003>jayson
<SPAN
class=934273705-14042003>
<SPAN
class=934273705-14042003><FONT color=#0000ff face=Arial
size=2><IMG align=baseline alt="" border=0
hspace=0 src="gif00206.gif">
<SPAN
class=934273705-14042003>
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: Steve Dugas
[mailto:sjdugas@xxxxxxxxx]Sent: Sunday, April 13, 2003 11:25
AMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re:
[amibroker] AmiBroker 4.31.0 BETA Examples
Hi Ken,
I think the concept of loops and if-then-else is the same
in all languages. I imagine you could read up on it at many
websites (e.g. - MSDN scripting site). Once you grasp the concept, it is
just a matter of using AFL syntax. You would probably use it mostly for
iterating your arrays if you wanted to do that. Here is a simple pseudo-code
- try coding it in AFL:
For (SecondBar to LastBar)
If (Today's Close > Yesterday's
Close)
MyArray = 1
Else
MyArray = 0
Plot MyArray
Of course, please feel free to ask for help!
Steve
----- Original Message -----
<BLOCKQUOTE
>
<DIV
>From:
Tomasz
Janeczko
To: <A
href=""
title=amibroker@xxxxxxxxxxxxxxx>amibroker@xxxxxxxxxxxxxxx
Sent: Sunday, April 13, 2003 10:39
AM
Subject: Re: [amibroker] AmiBroker
4.31.0 BETA Examples
Ken,
Very nice story :-)
As per your request, attached is a Parabolic SAR formula
that I have rewritten from JScript version
(<A
href=""><FONT
size=2>http://www.amibroker.com/library/detail.php?id=242<FONT
size=2>)
Best regards,Tomasz
Janeczkoamibroker.com
----- Original Message -----
From: "Ken Close" <<A
href=""><FONT
size=2>closeks@xxxxxxxx>
To: <<A
href=""><FONT
size=2>amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, April 13, 2003 4:05 PM
Subject: RE: [amibroker] AmiBroker 4.31.0 BETA
Examples
> Tomasz:>
> As always, you have good sound advice.
However......> > You say, "Here is a fast sports car, very
versatile and powerful. It> has 7 forward gears, but if you
are a beginner, do not worry....always> stay in maximum of 4th
gear. Plenty of nice driving is possible in 4th> gear.
Wait until you become more experienced before you try gears 5,> 6,
and 7."> > I say, "Thank you for providing such a nimble
sports car, but I am in a> race, and I do not think I can finish
even 10th in this race, until I> get out past 4th gear. If
you or others would just provide some more> examples of how to use
5th and 6th gear, then I could more confidently> try them. Maybe
even copy your use of them. Then, probably, I will have> enough
experience to try 7th gear on my own."> > More examples is
all I am asking for....my objective is not to stay in> 4th
gear.> > Thanks,> > Ken> >
-----Original Message-----> From: Tomasz Janeczko
[mailto:amibroker@xxxxxx] > Sent: Sunday, April 13, 2003 9:47
AM> To: <FONT
size=2>amibroker@xxxxxxxxxxxxxxx> Subject:
Re: [amibroker] AmiBroker 4.31.0 BETA Examples> >
Ken,> > > First, additional kudos to Tomasz for another
step-jump in capability> of> > Amibroker.> Thank
you.> > > Second, a caution, in marketing terms, of
having capability that is so> > hard to apply for
"non-programmers", beginners, and non-technical> types> >
that the extra capability is viewed not as an advantage or
benefit,> but> > just the opposite.> > The
beginners don't really need to jump into deep water right from> the
start as AFL still supports "old-way" of work.> > When you
write> > TypicalPrice = (H+L+C) /3;> > it
still operates on H, L, C arrays and produces array so no> looping
is needed.> > New features are added as 'extra' stuff and do
not> change the way old statements work.> > > I
apologize - but may speak for many hidden lurkers - that I have
just> > mastered the idea that "every AFL statement only
executes once", but> now> > I must scramble to reorient
my brain for repeated iterations thru AFL> > statements.>
> See above - you don't need really to write loops if you don't
want them.> All previously written code will execute the same way
as before.> > Unless you use a while and/or for loop nothing
has really changed.> > So, you don't really need to
"re-orient your brain" :-)> > You can view new features as a
replacement of JScript/VBScript.> You may use these new features
only when you needed to use> scripting in previous
versions.> > Best regards,> Tomasz Janeczko>
amibroker.com> > > Send BUG REPORTS to <A
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