Variable

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Variable

An element in a model. For example, in the model RS&Pt+1 = a + b Tbill t + et, where RS&Pt+1 is the return on the S&P in month t+1 and Tbill is the Tbill return at month t, both RS&P and Tbill are "variables" because they change through time; i.e., they are not constant.

Variable

Anything that does not have a set value. In basic algebra, a variable is often expressed as "x." Variables in economics and finance may be measures such as GDP, prices, or interest rates. Analysts use complicated equations to determine the value of some variables at the present time and even more complicated equations to predict their possible future values. See also: Regression.

variable

Something, such as stock prices, earnings, dividend payments, interest rates, and gross domestic product, that has no fixed quantitative value. See also dependent variable, independent variable.
References in periodicals archive ?
Other reasons for the low reproducibility of the temporal variables could be the number of test trials.
The temporal variable, movement time, was the amount of time to complete the step-over and expressed in seconds, defined by the moments of movement initiation and the impact index occurrence (Figure 2).
These spatial improvements, seen after longterm T-EX, may be more beneficial than the hypothesized improvements in the temporal variable, cadence.

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