Examlex
Define relative efficiency.
Categorical
Pertaining to data that can be divided into specific groups or categories that are mutually exclusive.
Data
Collected information or facts, typically numerical, that are used as a basis for reasoning, discussion, or calculation.
Categorical Variable
A type of variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other unit of observation to a particular group or nominal category.
Social Security Number
A unique nine-digit number assigned to U.S. citizens, permanent residents, and temporary working residents that is used for tracking individuals for social security and taxation purposes.
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