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Hello,Tomasz
Many Thanx!!!
Now,I have to think much more.
Best regards
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
> Hello,
>
> If prev is part of the condition and in any other case you can use
loop:
>
> setup = 0;
> for( i = 1; i < BarCount; i++ )
> {
> setup[ i ] = IIF ( C[ i ] > setup[ i - 1 ], C[ i ], setup[ i - 1
] );
> }
>
> But actually if you think it over this statement
> If(C > PREV, C,PREV);
>
> in fact just gives HIGHEST value.
>
> And it can be replaced by BUILT-IN function highest:
>
> setup = Highest( C );
>
> This is another example when one second of thinking gives not only
> more readable but also quicker solution than PREV thingy.
>
> Thinking does not hurt.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "jswe2000" <jswe2000@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Tuesday, August 02, 2005 11:26 PM
> Subject: [amibroker] Re: Metastock PREV
>
>
> > Hello Dave
> >
> > I have the same problem.
> >
> > Could you show the AFL code that you change from "setup:=If(C >
PREV,
> > C,PREV);" in MS code?
> >
> > For me,the "Valuewhen" can use only when the "Prev" is NOT in the
> > condition but if the "Prev" is in the condition, the "Valuewhen"
can't
> > be used to replace the "Prev" .I think that loop wil help but I
can't
> > code it.
> >
> > Tomasz ,could you help us?
> >
> > Best Regards
> >
> > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxx
.>
> > wrote:
> >> Hello,
> >>
> >> Initial delay when posting is caused by the fact that new
members'
> > posts
> >> are moderated. This is needed because every day we have at least
5
> > spammers
> >> joining and trying to spam the list. This procedure allows to
keep
> > list spam-free.
> >>
> >> Best regards,
> >> Tomasz Janeczko
> >> amibroker.com
> >> ----- Original Message -----
> >> From: "dpweir" <dpweir@xxxx>
> >> To: <amibroker@xxxxxxxxxxxxxxx>
> >> Sent: Tuesday, August 02, 2005 3:29 PM
> >> Subject: RE: [amibroker] Metastock PREV
> >>
> >>
> >> > Thanks Tomasz
> >> >
> >> > Yes, it was only an example, so was very simple. Wow, I sent
that
> > email 24
> >> > hours ago, and it only just appeared back in my inbox ?
> >> >
> >> > In the last 24 hours I have been able to convert all my
metatsock
> > formulas
> >> > (thanks to finding some excellent posts in the archives through
> > google ...
> >> > had trouble with searching for PREV using
> >> > http://www.purebytes.com/cgi-local/swish/swish-cgi.pl
> >> >
> >> > Anyhow this being so easy to convert, once you grasp the basic
> > structure (I
> >> > am not a programmer), certainly does credit to Amibroker ...
> > excellent
> >> > program.
> >> >
> >> > Best regards
> >> >
> >> > Dave
> >> >
> >> > -----Original Message-----
> >> > From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxx.
com]
> > On Behalf
> >> > Of Tomasz Janeczko
> >> > Sent: Tuesday, 2 August 2005 10:33 PM
> >> > To: amibroker@xxxxxxxxxxxxxxx
> >> > Subject: Re: [amibroker] Metastock PREV
> >> >
> >> > Hello,
> >> >
> >> > This one is an example how presence of PREV thingy makes people
to
> > write
> >> > inefficient codes (PREV is extremely slow).
> >> >
> >> > Statement like this even in Metastock could be written without
> > PREV.
> >> >
> >> > MS:
> >> > setup = if( condition, variable, PREV )
> >> >
> >> > can be written even if Metastock as
> >> >
> >> > setup = ValueWhen( 1, condition, variable );
> >> >
> >> > which executes way faster.
> >> >
> >> > AmiBroker's syntax for it is:
> >> >
> >> > setup = ValueWhen( condition, variable );
> >> >
> >> >
> >> > Best regards,
> >> > Tomasz Janeczko
> >> > amibroker.com
> >> > ----- Original Message -----
> >> > From: "dpweir" <dpweir@xxxx>
> >> > To: <amibroker@xxxxxxxxxxxxxxx>
> >> > Sent: Monday, August 01, 2005 1:49 PM
> >> > Subject: [amibroker] Metastock PREV
> >> >
> >> >
> >> >> Hello
> >> >>
> >> >> I am sorry if this is often asked question, but I was
wondering
> > what was
> >> > the
> >> >> Amibroker equivalent to the metastock PREV statement, as I
would
> > like to
> >> >> convert some basic metastock formulas, as an example
> >> >>
> >> >> setup:=If(C > PREV,C,PREV);
> >> >>
> >> >> or better yet descriptively, another example,
> >> >>
> >> >> setup:=if(condition,variable,PREV);
> >> >>
> >> >> Thanks in advance
> >> >>
> >> >> David Weir
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> 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 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 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 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 other support material please check also:
> > http://www.amibroker.com/support.html
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
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