Hi, Please I want to know if Predictors can do that or if not what is the workaround. I want to SUM 2 past value for one dataElement, but only for 2 periods where I have Data not ZERO or NULL.
Use case: to generate data in March. we can SUM ( Feb + Jan) . But If no data for example in January, How automaticaly Take December Data if not Take November data. Thank you. ---- Sakibou
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