Cohort object is designed to make operations on source data possible.
Arguments
- source
Source object created with set_source.
- ...
Steps definition (optional). Can be also defined as a sequence of filters - the filters will be added to the first step.
- run_flow
If `TRUE`, data flow is run after the operation is completed.
- hook
List of hooks describing methods before/after the Cohort is created. See hooks for more details.