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Any binary condition is 0 [when false] or 1 [when true].
The cum(cond) will add these daily values like
0+0+1+0+1+1+0+...
and will sum the true occurrences of the condition.
The cum(1) will add the trading bars, consequently the
100*cum(cond)/cum(1)
will give the % statistics of cond occurrence.
DT
--- In amibroker@xxxxxxxxxxxxxxx, "epintoem" <epintoem@xxxx> wrote:
> 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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