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Hi Bob,
you can set a date range (ie. From...To...). In this case the
table results will contain only those meeting the criteria in that
period. But, this date range has no effect on the chart; ie. also
for dates outside the specified date range arrows will be drawn
too. Don't know, this is either a bug or a feature of AB :-)
UM
----- Original Message -----
From: "Bob Jagow" <bjagow@xxxxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Thursday, April 10, 2003 11:39 PM
Subject: RE: [amibroker] Calculating statistical occurrences
> Is there a way to restrict the range, UM?
> That is, n = 1 outputs a summary of all the signals for all quotations
> [per the Database setting '# of bars to load'] irrespective of
> conditions such as
> Filter = DateNum() > 10301;
>
> TIA,
> Bob
>
> -----Original Message-----
> From: uenal.mutlu@xxxxxxxxxxx [mailto:uenal.mutlu@xxxxxxxxxxx]
> Sent: Thursday, April 10, 2003 10:20 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] Calculating statistical occurrences
>
>
> Hi, try this:
>
> - paste the AFL code below into the Automatic Analysis window
> - select your stock (fe. DROOY)
> - select "Apply to current stock"
> - select "Range: all quotiations"
> - click Explore
> - doubleclick on one of the result lines
>
> This will mark these days where the condition was met
> with a green or red arrow on the main chart (but only if doubleclicked)
> and in the table a counter will be given....
> UM
>
> /***** code starts here *****/
> Diff = 0.20; // set your own value
>
> CountL = 0;
> CountH = 0;
>
> prevC = Ref(C, -1);
> FilterL = L <= (prevC - Diff);
> FilterH = H >= (prevC + Diff);
>
> CountL = CountL + FilterL;
> CountH = CountH + FilterH;
>
> Buy = FilterL;
> Sell = FilterH;
> Filter = Buy or Sell;
>
> AddColumn(cum(CountL), "LCounter", 1.0);
> AddColumn(cum(CountH), "HCounter", 1.0);
> AddColumn(cum(CountL) + cum(CountH), "Sum", 1.0);
> /***** code ends here *****/
>
>
> ----- Original Message -----
> From: "epintoem" <epintoem@xxxxxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Thursday, April 10, 2003 5:28 PM
> Subject: [amibroker] Calculating statistical occurrences
>
>
> > How would I go about Calculating the number of times a certain event
> > happens with regard to a security.
> >
> > the problem in this case is as follows:
> >
> > In a security...I would like to determine how many times in its
> > lifetime dit the next days high or low come to within say 20 cents of
> > the previous days close. and mark that position on the chart.
> >
> > TIA
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