# Variable

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Related to Program variable: Program Control

## 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 ?
Coefficients on the uninteracted disclosure program variable indicate that when firms sell to no residential customers, programs reduce the proportion of usage attributable to fossil fuels and increase the proportion of usage attributable to nuclear energy.
These models confirmed that there is a positive relationship between the black-white unemployment rate gap and the black unemployment rate and the black prime-time television program variables.
Subscribers can pre- program variables, such as the time the document is to be sent.
MagicWeb allows application state to be maintained across multiple Web transactions, managing all database transactions and program variables throughout all user activity.
The WebSpeed solution also allows application state to be maintained across multi-page Web transactions, connecting all of the database transactions and program variables throughout a user's request.
So rather than create a decision table, Fujitsu developed a method to calculate approximations of the feature values corresponding to these indices based on program variables and the number of branches in the code, which can be used to analyze large-scale resources.
The book begins by introducing the general benefits of resistance training and outlining program variables.
Its system menu is available in several languages and allows machine builders to directly view and edit program variables, and set the controller's Ethernet address.
Operational Definitions of Extrinsic (Independent) Variables Examined: Credential Program Variables
Next, CodeSonar's symbolic execution engine explores program paths, reasoning about program variables and how they relate, to identify tricky bugs that result from complex interactions among procedures.

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