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I use this file to answer some of the questions you have. It is for
my own use so not beautified!!!
/*Time AND Hour exercise*/
/*Version: 3*/
CM=Cum(1);
Hr=15; //Fill in selected hour of the day
Hr1=19; //Fill in selected hour of the day
Hr2=19; //Fill in selected hour of the day
Mn=0; //Fill in selected minute of the hour.
StartDate=1020707; //Fill in startdate as follows 10000 * (year -
1900) + 100 * month + day, so 2001-12-31 becomes 1011231 and 1995-12-
31 becomes 951231
EndDate=1030707; //Fill in startdate as follows 10000
* (year - 1900) + 100 * month + day, so 2001-12-31 becomes 1011231
and 1995-12-31 becomes 951231
/*Enable filter below for finding number of bars from last bar for a
particular day and time in the past.*/
//Filter=(Hour()==Hr AND Minute()==Mn AND DateNum()>startdate AND
DateNum()<enddate) OR (Hour()==Hr1 AND Minute()==Mn AND DateNum()
>startdate AND DateNum()<enddate);
/*Enable filter for finding number of bars from last bar for a
particular time of the day.*/
//Filter=Hour()==Hr;
/*Filter for the number of days during a certain period. Setting of
periodicy: daily*/
//Filter=Cm AND DateNum()>startdate AND DateNum()<enddate;
/*Filter for 1 moment of the day Hr*/
Filter=Hour()==Hr AND Minute()==Mn;
/*Filter for 2 moments of the day Hr and r1*/
//Filter=(Hour()==Hr AND Minute()==Mn) OR (Hour()==Hr1 AND Minute()
==Mn);
/*Filter for 3 moments of the Day Hr, Hr1 AND Hr2*/
//Filter=(Hour()==Hr AND Minute()==Mn) OR (Hour()==Hr1 AND Minute()
==Mn) OR (Hour()==Hr2 AND Minute()==Mn);
LVCM=LastValue(Cum(1),True);
//Last bar number
CMInt=LVCM-ValueWhen(Hour()==Hr OR Hour()==Hr1 OR Hour()==Hr2,Cum(1));
//Number of bars till last bar for
CMD=LVCM-CM;
//Number of
bars till lats bar onm daily basisi (setting = daily)
AddColumn(IIf(Hour()==Hr OR Hour()==Hr1 OR Hour()==Hr2 AND Minute()
==Mn,Cum(1),2),"Bars since 1st bar",format=1.0);
AddColumn(CMInt,"Bars till last bar",format=1.0);
AddColumn(LVCM,"Last Bar Number",format=1.0);
AddColumn(CM,"Nr. Bars from start",format=1.0);
AddColumn(CMD,"Bars till last bar",format=1.0);
AddColumn(DateNum(),"date",1.0);
AddColumn(CMInt-Ref(CMInt,-1),"Bars p/ Day",format=1.0);
AddColumn(Ref(CMint,-1),"c",format=1.0);
--- In amibroker@xxxxxxxxxxxxxxx, "Thomas Schneider" <TS-
Schneider@xxxx> wrote:
> Hi Folks,
> I have some questions regarding the arrays.
> For example the Close array. If I have e.g 5-Minutes bars. How much
> entries does the array have. How can I get the first value of the
bar
> and how the last.
> How can can I determine the number of entries in the array?
>
>
> Thx
> Regards
> Thomas
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