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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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