Also known as: prec.
PREC has various meanings in the Federal Aviation Administration category. Discover the full forms, definitions, and usage contexts of PREC in Federal Aviation Administration.
An attribute of a timestamp that describes the total number of decimal digits in the fractional seconds part of the value. An information retrieval measurement that specifies the proportion of relevant data to all retrieved data. Precision is a positive predictive value. Information retrieval is best measured by using both precision and recall.
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