# parameter

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## parameter

[pah-ram´ĕ-ter]
1. in a mathematical expression, a constant that distinguishes specific cases, having a definite fixed value in one case but different values in other cases.
2. in statistics, a value that specifies one of the members of a family of probability distributions, such as the mean or the standard deviation.
3. a variable whose measure is indicative of a quantity or function that cannot itself be directly determined precisely.

## pa·ram·e·ter

(pă-ram'ĕ-tĕr), Avoid the jargonistic use of this word to mean simply 'something measured or measurable'. One of many dimensions or ways of measuring or describing an object or evaluating a subject:
1. In a mathematic expression, an arbitrary constant that can possess different values (with each value defining other expressions), and can thereby determine the specific form but not the general nature of the expression; for example, in the equation y = a + bx, a and b are parameters.
2. In statistics, a term used to define a characteristic of a population, in contrast to a sample from that population, for example, the mean and standard deviation of a total population.
3. In psychoanalysis, any tactic, other than interpretation, used by the analyst to further the patient's progress.
[para- + G. metron, measure]

## parameter

/pa·ram·e·ter/ (pah-ram´ĕ-ter)
1. a constant that distinguishes specific cases, having a definite fixed value in one case but different values in other cases.
2. in statistics, a value that specifies one of the members of a family of probability distributions, such as the mean or standard deviation.
3. a variable whose measure is indicative of a quantity or function that cannot itself be directly determined precisely.

## parameter

[pəram′ətər]
Etymology: Gk, para + metron, measure
1 a value or constant used to describe or measure a set of data representing a physiological function or system, as in the use of acid-base relationships of the blood as parameters for evaluating the function of a patient's respiratory system.
2 a statistical value of a population group.
3
Usage notes: (informal)
limit or boundary.

## parameter

A mathematical and statistical variable in a model system that partially or completely characterises a probability distribution. Parameters are rarely known and are usually estimated by statistical computation from samples. In clinical trials, parameter may be used synonymously with variable for factual data—e.g., age, date of recovery, measurements and clinical assessments; however, it is most often linked to statistical conventions as a numeric characteristic of a population and thus has a narrower definition than variable.

## parameter

Cardiac pacing A term quantifying an operational element determining pacemaker behavior–eg, rate, pulse width, A-V interval, refractory period, etc

## pa·ram·e·ter

(pă-ram'ĕ-tĕr)
1. One of many dimensions or ways of measuring or describing an object or evaluating a subject
2. mathematics An arbitrary constant that can possess different values, each value defining other expressions.
3. statistics A term used to define a characteristic of a population, in contrast to a sample from that population.
4. psychoanalysis Any tactic, other than interpretation, used by the analyst to further the patient's progress.
[para- + G. metron, measure]

## pa·ram·e·ter

(pă-ram'ĕ-tĕr)
One of many dimensions or ways of measuring or describing an object or evaluating a subject.
[para- + G. metron, measure]

## parameter

1. in mathematics and statistics, an arbitrary constant, such as a population mean or standard deviation. It wholly or partly determines a probability distribution.
2. a property of a system that can be measured numerically.
References in periodicals archive ?
In sum, when students make mathematical arguments, they do not simply share their answers; instead, they explain and justify the ideas that they had as they thought about and solved the problem.
I was attempting to help teachers develop the skills in working towards building sound mathematical arguments in collaboration with their colleagues.
To verify that the aforementioned constraints about the structure of the residuals matrices associated with model 1 and model 1 * are true, we offer the following mathematical arguments.
Readers are assumed to be adept at following mathematical arguments.
396) Standards Pre-K-2 Expectations Instructional programs from In prekindergarten through grade prekindergarten through grade 12 2 all students should-- should enable all students to-- * recognize, name, build, draw, analyze characteristics and compare, and sort two- and properties of two- and three- three-dimensional shapes; dimensional geometric shapes and develop mathematical arguments * describe attributes about geometric relationships and parts of two- and three-dimensional shapes; * investigate and predict the results of putting together and taking apart two- and three-dimensional shapes.
Thorne and Ulvi Yurtsever of the California Institute of Technology in Pasadena present mathematical arguments supporting the notion that the presence of a wormhole could locally scramble the relationship between cause and effect.
develop and evaluate mathematical arguments and proofs;
Explanations consisted of mathematical arguments, not simply procedural summaries of the steps taken to solve the problem.
Having an ability to appreciate, understand, and generate proofs is crucial in being able to evaluate students' mathematical arguments and reasoning.
We emphasize the teaching of mathematics as a process of inquiry in which students learn to solve complex problems and critique mathematical arguments.

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