dichotomy

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Related to dichotomous: dichotomy, dichotomous variable, Dichotomous Data

dichotomy

1. Logic the division of a class into two mutually exclusive subclasses
2. Botany a simple method of branching by repeated division into two equal parts
3. the phase of the moon, Venus, or Mercury when half of the disc is visible

dichotomy

(dÿ-kot -ŏ-mee) The moment of exact half-phase of the Moon, Mercury, or Venus.

dichotomy

[dī′käd·ə·mē]
(astronomy)
The phase of the moon or an inferior planet at which exactly half of its disk is illuminated and the terminator is a straight line.
(biology)
Divided in two parts.
Repeated branching or forking.
(computer science)
A division into two subordinate classes; for example, all white and all nonwhite, or all zero and all nonzero.
References in periodicals archive ?
Unmet health need was created by combining two dichotomous variables, health service use and forgone medical care.
More importantly perhaps, it has allowed us to discuss with our students why some things in nature cannot always be easily assigned to predetermined categories (such as dichotomous keys or textbook descriptions) and how using average measurements to describe plants will sometimes fail.
Other individual characteristics in the BRFSS include the following variables: age and age squared; gender: race or ethnic category as represented by indicators for white (the omitted reference category), black, Hispanic, and other race; level of education as represented by dichotomous indicators for less than high school (the omitted reference category), some high school, high school degree, and college degree: family income and income squared; marital status; and the number of children under 18 in the household.
In spite of speculation that casual partnerships could be psychologically damaging for sexually active young people, our findings show almost no differences in psychological well-being between those with a casual partner and those with a more committed partner; these results were similar in the analyses using the dichotomous variable and the four-category partner variable.
Continuous risk score Dichotomous from 0 to 100 and classification (low associated risk of or high risk) distant recurrence in 10 years; HER2, estrogen and progesterone receptor mRNA levels Web link to sample http://www.
In addition, the study compared the utility of the 2 x 2 and dichotomous models in predicting these outcomes.
In analyzing information asymmetry in the choice of coverage amounts, such as collision deductibles, researchers often combine coverage amounts into dichotomous categories of "small" and "large" (e.
In those situations best modeled by a dichotomous result (again, a rather fancy way of saying a Yes/No result), the logistic-regression model is quite useful.
Heim and her colleagues noted that their findings "emphasize the need to revise prevailing dichotomous approaches that differentiate between psychological and biological contributors to CFS.
A dichotomous indicator is defined for whether the respondent self-reports that his or her health is poor.
In keeping with the band's oddly dichotomous career, the best-known Yaz tune in the States, the 1982 number 1 club smash "Situation," was originally a non-LP B side overseas.
Theologian Robert Faricy argues convincingly that Teilhard's works help correct dichotomous thinking about humans as apart from nature, an understanding that denigrates other-than-human entities while it fails to appreciate our interrelatedness to and radical dependence on them.