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Hello,
Loop is not needed in that case neiter. It is one-liner too.
It simply counts bars since REVERSE condition was true.
Count = BarsSince( C <= Ref( C, -1 ) );
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "klaus_korneker" <klaus_korneker@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Thursday, January 11, 2007 12:30 PM
Subject: [amibroker] Re: loop counter
> Hi Nicolas,
>
> thank you very much !!!
> I thought i need a loop to do the job.
> Really excellent.
>
>
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "discuslorraine" <nicolas.navet@xxx>
> wrote:
>>
>> Hello,
>>
>> Here is a solution :
>>
>> Cpt = 0;
>> for ( i=1; i < BarCount; ++i ) {
>> if ( C[i] > C[i-1] ) ++Cpt;
>> else Cpt = 0;
>> Count[i] = Cpt;
>> }
>>
>> Plot(Count,"Count",colorRed);
>>
>> Best regards, Nicolas
>>
>>
>> --- In amibroker@xxxxxxxxxxxxxxx, "klaus_korneker"
>> <klaus_korneker@> wrote:
>> >
>> > Hello,
>> >
>> > i have tried that already, but it counts all bars (whole history)where
>> > the condition is true. I want that it always resets to zero when the
>> > condition isn't true and when it is true it should start again from
>> > zero. Can you help please ?
>> >
>> >
>> >
>> >
>> > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@> wrote:
>> > >
>> > > Hello,
>> > >
>> > > This single-liner and does not require any looping:
>> > >
>> > > Count = Cum( C > Ref( C, -1 ) );
>> > >
>> > >
>> > > Best regards,
>> > > Tomasz Janeczko
>> > > amibroker.com
>> > > ----- Original Message -----
>> > > From: "klaus_korneker" <klaus_korneker@>
>> > > To: <amibroker@xxxxxxxxxxxxxxx>
>> > > Sent: Thursday, January 11, 2007 9:43 AM
>> > > Subject: [amibroker] Re: loop counter
>> > >
>> > >
>> > > > Hello,
>> > > >
>> > > > thanks a lot !
>> > > >
>> > > > Can you please also show me how i could count any condition like
>> > > > C>ref(C,-1);
>> > > >
>> > > > I would like to plot a graph that shows me the number of bars
> where
>> > > > the following condition is true.
>> > > >
>> > > > Thanks !
>> > > >
>> > > > Klaus
>> > > >
>> > > >
>> > > > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@>
> wrote:
>> > > >>
>> > > >> Hello,
>> > > >>
>> > > >> See Comments section in BarIndex() reference:
>> > > >>
>> > > >> http://www.amibroker.com/guide/afl/afl_view.php?barindex
>> > > >>
>> > > >> When running a loop over array you must NOT access
>> > > >> elements outside 0..BarCount-1 range.
>> > > >>
>> > > >> The code that you want to write should look as follows:
>> > > >>
>> > > >> bi = BarIndex();
>> > > >>
>> > > >> for( i = 0; i < BarCount; i++ )
>> > > >> {
>> > > >> Cnt[ i ] = i + bi[ 0 ];
>> > > >> }
>> > > >>
>> > > >> Best regards,
>> > > >> Tomasz Janeczko
>> > > >> amibroker.com
>> > > >> ----- Original Message -----
>> > > >> From: "klaus_korneker" <klaus_korneker@>
>> > > >> To: <amibroker@xxxxxxxxxxxxxxx>
>> > > >> Sent: Wednesday, January 10, 2007 8:30 PM
>> > > >> Subject: [amibroker] Re: loop counter
>> > > >>
>> > > >>
>> > > >> > Thanks for the explanation. But how can i now create a
>> > > >> > barindex(counter) through a loop. Graph1 plots the barindex.
>> I have
>> > > >> > tried to use (i = 0; i < LastValue(BarIndex()); i++ ) but this
>> > > >> > generates an error.
>> > > >> > Can you help ?
>> > > >> >
>> > > >> > Cnt = 0;
>> > > >> > for( i = 0; i < LastValue(BarIndex()); i++ )
>> > > >> > {
>> > > >> > Cnt[ i ] = i ;
>> > > >> > }
>> > > >> >
>> > > >> > Graph0 = Cnt;
>> > > >> > Graph1 = BarIndex();
>> > > >> >
>> > > >> >
>> > > >> > --- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@> wrote:
>> > > >> >>
>> > > >> >> BarCount does not necessarily == LastValue(BarIndex())
>> > > >> >>
>> > > >> >> This is because Amibroker uses "quickAFL" which means it
>> only uses
>> > > >> > enough
>> > > >> >> bars to "get the job done". This frequently is not all the
> bars.
>> > > >> >>
>> > > >> >> --
>> > > >> >> Terry
>> > > >> >>
>> > > >> >> -----Original Message-----
>> > > >> >> From: amibroker@xxxxxxxxxxxxxxx
>> [mailto:amibroker@xxxxxxxxxxxxxxx]
>> > > >> > On Behalf
>> > > >> >> Of klaus_korneker
>> > > >> >> Sent: Wednesday, January 10, 2007 09:48
>> > > >> >> To: amibroker@xxxxxxxxxxxxxxx
>> > > >> >> Subject: [amibroker] Re: loop counter
>> > > >> >>
>> > > >> >> Hi Terry,
>> > > >> >>
>> > > >> >> thank you very much for your explanation !
>> > > >> >> However it looks a little bit strange. It works still the
> same.
>> > > >> >> When set the entire array to 0 with Cnt = 0; and click
> Apply, it
>> > > > shows
>> > > >> >> the same value as with the confirmation code in the graph.
>> > However
>> > > >> >> automatically after about 1 second it changes the value to 199
>> > > > instead
>> > > >> >> 4517
>> > > >> >>
>> > > >> >> BTW: i know that it displays the number in the title based
> on my
>> > > >> > cursor.
>> > > >> >>
>> > > >> >> Regards
>> > > >> >>
>> > > >> >> Klaus
>> > > >> >>
>> > > >> >>
>> > > >> >> --- In amibroker@xxxxxxxxxxxxxxx, "Terry" <MagicTH@> wrote:
>> > > >> >> >
>> > > >> >> > To initialize the loop you should do this:
>> > > >> >> > Cnt = 0; //Initializes entire array, not just 1st element.
>> > > >> >> >
>> > > >> >> > When you click on the chart the number should change because
>> > > > you are
>> > > >> >> > selecting "that bar". Also see last paragraph about
> barcount.
>> > > >> > Otherwise,
>> > > >> >> > your loop is correct.
>> > > >> >> >
>> > > >> >> > Here's some code to verify with:
>> > > >> >> >
>> > > >> >> > x = BarIndex();
>> > > >> >> > Plot(x,"x",1,styleStaircase);
>> > > >> >> > NumToStr(BarCount,1.0);
>> > > >> >> > NumToStr(LastValue(BarIndex()),1.0);
>> > > >> >> >
>> > > >> >> > Note the last two statements print in the interpretation
>> > window and
>> > > >> >> they are
>> > > >> >> > different because of quickAFL. The first changes with your
>> > > > selection
>> > > >> >> and the
>> > > >> >> > number of bars showing. The last does not change. It is the
>> > > > absolute
>> > > >> >> number
>> > > >> >> > of bars in your data. This is probably the reason your
>> > results are
>> > > >> >> changing
>> > > >> >> > in unexpected ways as you are using BarCount.
>> > > >> >> > --
>> > > >> >> > Terry
>> > > >> >> >
>> > > >> >> > -----Original Message-----
>> > > >> >> > From: amibroker@xxxxxxxxxxxxxxx
>> > [mailto:amibroker@xxxxxxxxxxxxxxx]
>> > > >> >> On Behalf
>> > > >> >> > Of klaus_korneker
>> > > >> >> > Sent: Wednesday, January 10, 2007 07:43
>> > > >> >> > To: amibroker@xxxxxxxxxxxxxxx
>> > > >> >> > Subject: [amibroker] loop counter
>> > > >> >> >
>> > > >> >> > Hello,
>> > > >> >> >
>> > > >> >> > i am trying to build a counter with a loop. i have already
>> > > > tried the
>> > > >> >> > following, but it seems that anything is wrong. The chart
>> > shows the
>> > > >> >> > bar number, but when i click inside the chart, the number
>> > changes.
>> > > >> >> >
>> > > >> >> > Cnt[0] = 0;
>> > > >> >> > for( i = 0; i < BarCount; i++ )
>> > > >> >> > {
>> > > >> >> > Cnt[ i ] = i ;
>> > > >> >> > }
>> > > >> >> >
>> > > >> >> > Graph0 = Cnt;
>> > > >> >> >
>> > > >> >> > Thanks i advance !
>> > > >> >> >
>> > > >> >> >
>> > > >> >> >
>> > > >> >> > 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:
>> > > >> > 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:
> http://www.amibroker.com/devlog/
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
> Yahoo! Groups Links
>
>
>
>
>
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