Hi, 
I am working on Quantstrat package. 
I would like to ask if it is possible to use reference data in the qunatstrat packages.
For example, my market data for trading is 'intra-day' data, and I need to use daily indicators which are computed with 'daily' index data like S&P 500.
But, in this packages, every data has to be a trading symbol in order to be called by functions such as 'add.indicator' and 'add.signal'.
Is is possible to use indicators from reference data, especially in a different time frame with trading symbols?
Wonjae Lee
 

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