control variable

(redirected from Control variables)
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial.
Related to Control variables: independent variable

control variable

[kən′trōl ‚ver·ē·ə·bəl]
(control systems)
One of the input variables of a control system, such as motor torque or the opening of a valve, which can be varied directly by the operator to maximize some measure of performance of the system.

control variable

In programming, a variable that keeps track of the number of iterations of a process. Its value is incremented or decremented with each iteration, and it is compared to a constant or other variable to test the end of the process or loop.
References in periodicals archive ?
The control variables used in the regression include whether or not the state was settled by a country with a civil legal tradition, the initial population, climate, slavery population, and whether or not the state was a member of the southern Confederacy.
The control variables that have been selected for this study are the power flow, which is related to the management of the traction power between the thermal and the electric machine, and the gear number of the transmission; the control strategy optimization has the aim of minimizing an objective function, which takes into account the cumulated fuel consumption, the N[O.
It can be estimated without convergence issues and is sufficiently detailed to represent the data generating process, especially when some key control variables are added to the model.
u is the vector of control variables, consisting of generator voltages [V.
Among the control variables, the significantly negative impact of cash deals does not support the evidence in the extant literature.
As a result, the null hypothesis (independent variables) is rejected, the relationship between the control variables and meaningful work experience and considering the amount of correlation in this case is equal to 0/387 Which indicates a positive, direct relationship with good intensity, i.
But such statistical modeling of comparative student test-score outcomes is a tricky business, and the results of such exercises often vary dramatically depending on which control variables are included in the model and how those variables are constructed.
1), which reflects the causal relationship between all control variables in a system.
The authors also look closely at the earlier studies' estimation techniques, the specifications of their models and explanatory variables, and the selection of control variables used in their models.
where Z' is a vector of control variables, including GDP per capita growth, manufacturing, urban population, government consumption, the GINI index, and ethnolinguistie fractionalization.
RH is the recipient's level of happiness and the control variables are the recipient's natural log of real per capita GDP (R/), its inflation rate (RF), and its unemployment rate (RU).
When output quantization is linear, the values contained in the look-up tables are multiplied by different constants and then applied to the process as control variables.