[amibroker] calculating the mean of only some of the observations in an array ?

["cdepuy" <cdepuy@xxxxxxxxx>]

Without requiring loops that work through the whole barcount, can 
someone point out to me how to exclude certain values in an array 
when calculating a statistic across an array?

I must be missing something.  I am trying to calculate the mean of 
some values that occur only occassionally (after my signal) using 
Amibroker.  But,what happens is all the values between my signals get 
included in the calculation.  I know the solution is easy, but I 
cannot figure it out.  

//figure highest value that occurs between my signals and the 
next "x" following the signal
Cond6 = {some condition that i am investigating, like v > 5*ma(v,50)
NumBars = 12;
hV = IIf(BarsSince(Cond6) == NumBars,HHV(H,BarsSince(Cond6))-ValueWhen
(Cond6,C),Null);

//now calculate the mean of all the hv 's that occur
mean = ma(hv,NumBars*50);  //this line I am having trouble with
filter=1;
addcolumn(mean,"mean",1.2);
//then perform more statistics...(etc).



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