Finlayson's squirrel

(statistics) A variable that is not directly measured but is inferred by means of a mathematical model from one or more directly observed variables.

(accounting) plural of variable cost

plural of variable binding

plural of variable star

(statistics, broadly) A quantity whose value is random and to which a probability distribution is assigned, such as the possible outcome of a roll of a dice.

Any variable that is part of a Bernoulli process.

(statistics, metrics) A variable with values which have no numerical value, such as gender or occupation.

(statistics) An ordinal variable with the additional property that the magnitudes of the differences between two values are meaningful.

(statistics) A variable with the features of interval variable and, additionally, whose any two values have meaningful ratio, making the operations of multiplication and division meaningful.