The nominal, nominal, real, and the classical dichotomy are terms used to describe the division between real and nominal variables.
An attribute that is being measured is given a name, a label, or a classification using a nominal variable. The descriptive values it employs to describe the several categories have no intrinsic ordering.
Real variables are from which inflation and/or price impacts have been eliminated. Nominal variables, on the other hand, are those where the impacts of inflation have been taken into account. As a result, inflation and price changes have an impact on numeric data but not real ones.
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