[amibroker] std deviation formula

["normanjade" <normanjade@xxxxxxxxx>]

I am trying to get the standard deviation of my results show up as a 
statistic in the automatic analysis columns. I know how to get a 
column to show up in there. I don't know how to write in the standard 
deviation formula exactly. 
How can I write in the formula of standard deviation? It has to be 
each trade minus the mean results etc. I can call up values like # 
trades etc but trade by trade? How do I do that if I don't know the 
How do you program that? Seems like there is a way but tough to do for 
me.


Jim



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