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The Food and Agriculture Organization of the United Nations (FAO) defines an indicator as a construct that does not reduce to the data on which it is based, but generally comprises elements such as a cutoff value, a frame of reference, and a mode of expression, which allow for universal appreciation and comparison in time and space.
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Sources
- A Consensus Proposal for Nutritional Indicators to Assess ... - Frontiers www.frontiersin.org via serper