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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@xxx> 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
> > >
> > >
> > >
> > >
> > >
> >
>
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