variable

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variable

 [var´e-ah-b'l]
something that changes; an attribute or property of a person, event, or object that is known to vary in a given study.
dependent variable in a mathematical equation or relationship between two or more variables, a variable whose value depends on those of others; it represents a response, behavior, or outcome that the researcher wishes to predict or explain.
extraneous variable a factor that is not itself under study but affects the measurement of the study variables or the examination of their relationships.
independent variable in a mathematical equation or relationship between two or more variables, any variable whose value determines that of others; it represents the treatment or experimental variable that is manipulated by the researcher to create an effect on the dependent variable.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

var·i·a·ble

(var'ē-ă-bĕl),
1. That which is inconstant, which can or does change, as contrasted with a constant.
2. Deviating from the type in structure, form, physiology, or behavior.
[L. vario, to vary, change, differ]
Farlex Partner Medical Dictionary © Farlex 2012

variable

(vâr′ē-ə-bəl, văr′-)
adj.
1.
a. Likely to change or vary; subject to variation; changeable.
b. Inconstant; fickle.
2. Biology Tending to exhibit genetic variation or variation in a physical trait: geographically variable color patterns.
3. Mathematics Having no fixed quantitative value.
n.
Something that varies or is prone to variation.

var′i·a·ble·ness n.
var′i·a·bly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

variable

(1) Any attribute, phenomenon or event that can have different qualitative or quantitative values. Typically, a form of metadata goes with the variable, there is a variable definition that describes what is varying and there is a value for the variable. Variables are typically assessed in a clinical trial. 
(2) In Study Data Tabulation Model (SDTM), variables describe observations with roles that determine the type of information conveyed by the variable about each observation and how it can be used.

In SDTM, variables include specific subtypes used in clinical research: "study variable" in trial design refers to a variable to be captured on the case record form (CRF); an "assessment" is a study variable pertaining to the status of a subject/patient, is usually measured at a certain time and is usually not compounded significantly by combining several simultaneous measurements to form a derived assessment (e.g., BMI, or a result of statistical analysis); an "endpoint" is a variable that pertains to the trial objectives.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

variable

noun Epidemiology Any characteristic or attribute that can be measured. See Confounding variable, Continuous variable, Dependent variable, Independent variable, Instrumental variable, Intervening variable, Lurking variable, Natural variable, Predictor variable, Qualitative variable, Quantitative variable, Random variable.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

var·i·a·ble

(var'ē-ă-bĕl)
1. That which is inconstant, which can or does change, as contrasted with a constant.
2. Deviating from the type in structure, form, physiology, or behavior.
[L. vario, to vary, change, differ]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

var·i·a·ble

(var'ē-ă-bĕl)
That which is inconstant, which can or does change, as contrasted with a constant.
[L. vario, to vary, change, differ]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
.limit locals 4 // The method has 4 local variables. Store this object into // local variable 1 and the actual argument into local variable 2.
The real utility of evaltrace notation becomes apparent when we consider the application of nonprimitive functions, since these may create local variables and call other functions from within their bodies.
For example, while a compiler generating stack-based JVML code could, in principle, perform common subexpression elimination and store the resulting expressions in additional, compiler-created local variables, this approach introduces additional instructions and temporary variables that may negate any improvements created by the common subexpression elimination.
A stack implementation that uses nonstandard layout can also have a low per-frame overhead, but it still has to reserve per-frame space for all local variables used in the function.
We will use [[Psi].sub.0] as the type of the object stored in local variable 0 at the start of execution.
Local variables in SVAs can be handled as symbolic constant without any temporal information.
Local variables that are intended to be available only to a specific subroutine can also be declared within individual subroutines.
You would get a compile error for using thehour, theMinute, and theSecond without initializing them: Use of unassigned local variable 'theHour' Use of unassigned local variable 'theMinute' Use of unassigned local variable 'theSecond'
Type elaboration assumes verified bytecode as input, but does not depend upon the local variable debug information.
As seen in this figure, the most frequent instructions are local variable loads (about 30-47% of the total instructions executed), which move operands from the local variables area of the stack to the top of the stack.

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