[amibroker] How is a backwards reference handled if there is missing data?

["kmckiou" <kmckiou@xxxxxxxxx>]

Hi,
I am doing some calculations where I am referring to prior periods. 
Specifically, I am creating an indicator that sums values on the same 
hour of the day for the prior "n" days. My results seem a little 
inconsistent, so I have a question.

I am using 15 minute data and the database is configured with 15 
minutes as the base time interval.  So, when I say 

 Ref(C, -96) 

and there is some missing data at, say, -50 to -52, am I going to get 
the value of C 96 periods prior (24 hours * 4 15 min intervals) or am I 
going to get the value of C 99 periods prior because 3 of the 
intervening intervals had no data?

 - Kevin




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