Glossary Term
Missing Data
Required or expected data that is not present, which may be due to non-completion or corruption.
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Glossary Term
Required or expected data that is not present, which may be due to non-completion or corruption.
Glossary Term
The substitution of some value for a missing data point or a missing component of a data point.
Pruebas
Drugs are chemical substances that can change how your body and mind work. A drug test looks for signs of illegal drugs or certain prescription and/or over-the-counter (OTC) medicines that can be misused. The test is usually done with a sample of your urine (pee). Less commonly, drug testing uses a sample of your blood, saliva (spit), hair, sweat, fingernails, or breath. The purpose of a drug test is to look for drug use and misuse, which includes: