View source: R/attributes-op.R
rangeLow | R Documentation |
This function is used only for measurement query. range_low is a column in the measurement table of the cdm. This attribute allows a subquery to find measurements that satisfy certain values determined by the op logic.
rangeLow(op)
op |
an opAttribute object that is either numeric or integer that defines the logical operation used to determine eligible range low |
An attribute that can be used in a cohort definition
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