Hi,
one more point. I am good at Excel vba and I was able to do
this in Excel like this.
=max(volumerow5daysback:volumerowtillyesterdayclose) where volume
is 5min volume in each row of Volume column.
Regards,
M D KUMAR
--- In amibroker@yahoogroups.com, mdkumar kumar <mdkum...@...> wrote:
>
> Thanks for the reply. I will post my problem directly. I am trying to find
> the highest 5-min volume bar
> for the last n days excluding today. To that end, I wrote this code:
> ---------------------------------------------------------------------------------------------------------------------------
> // to count number of bars since morning open. example NbarsSinceOpen(5)
> gives 12 at end of 1st
> // 1 hour of trading. timeframe parameter is in minutes.
>
> function NbarsSinceOpen(timeframe)
> {
> Currentbar = 0; Openbar = 0; //initializing local variables
> n = 60/timeframe; //60 min/ timeframein min
> Openbar = 9 * n;
> Currentbar = round(Hour()*n + (Minute()/timeframe));
>
> return (Currentbar-Openbar);
> }
>
> // gives highest volume bar for the last 'Lookbackperiodindays' days;
> //highestvolume(3,5) gives highest 5-min volume for the last 3 days
> excluding today.
>
> function Highestvolume(Lookbackperiodindays,intradaytimeframe)
> {
> units = 60/intradaytimeframe;
> startbar =
> (Lookbackperiodindays*6.5*units)+nbarssinceopen(intradaytimeframe);
> endbar = nbarssinceopen(intradaytimeframe) +1;
> Highestvol = 0;
> i=O;
> for (i=startbar;i<endbar;i++)
> {
> startbar-=1;
>
> Highestvol = Max(Ref(Volume,-startbar),Ref(Volume,-startbar+1));
>
> }
>
> return Highestvol;
> }
>
>
> printf("highestvolume is:"+Highestvolume(2,5));
> --------------------------------------------------------------------------------------
>
>
> when i run this i get error 6 saying in line 21 column 6.
> "Error 6. Condition in IF, WHILE, FOR statements has to be Numeric or
> Boolean type. You can not use array here, please use [] (array subscript
> operator) to access array elements"
>
> Thanks in advance,
>
> Regards,
> M D KUMAR
> On Sat, Aug 7, 2010 at 6:55 PM, reinsley <reins...@...> wrote:
>
> >
> >
> >
> > Hi,
> >
> > Many topic about that. I kept these lines in my AB bible.
> >
> > Best regards
> >
> > Barcount vs BarIndex()
> > BarCount is a numeric variable that holds just one number (the count of
> > elements in array). On the other hand BarIndex() is a function that
> > returns ARRAY representing consecutive index of each bar.
> > BarCount IS DYNAMIC, DEPENDENT on ZOOM.
> > Short advice: DO NOT use BarCount for ANYTHING else than building a for
> > loop that iterates through array elements like this: for( i = 0 ; i <
> > BarCount; i++ ) { array[ i ] = H[ i ] + L[ i ]; }
> > Visible Bars Count
> > VisibleBars = Status( "LastVisibleBarIndex" ) -
> > Status("FirstVisibleBarIndex" );// gives a wrong count
> > With the function GetVisibleBarCount result is correct
> > function GetVisibleBarCount() { lvb = Status("lastvisiblebar");
> > fvb
> > = Status("firstvisiblebar");
> > return Min( Lvb - fvb, BarCount - fvb ); }
> > VisibleBars = GetVisibleBarCount(); _TRACE("VisibleBars = "+
> > VisibleBars );
> >
> >
> > Le 07/08/2010 14:13, mdkumarz a écrit :
> >
> >
> >
> > Hi,
> > my understanding is this:
> > barcount counts all the bars in the chart (not just visible);
> > so, i have written
> > printf("bars in the chart:"+barcount);
> > it's giving different number of bars when zoomed in and zoomed out.
> > Does barcount look at visible bars only?
> >
> > Regards,
> > M D KUMAR
> >
> >
> >
> >
>
>
>
> --
> Yours sincerely,
>
> M D KUMAR
> 7666686533
> Mumbai
>
