Dichotomy

dichotomousdichotomiesdichotomouslydichotomous branchingdichotomaldichotomicdichotomicaldichotomical oppositiondichotomizeddichotomizing
A dichotomy is a partition of a whole (or a set) into two parts (subsets).wikipedia
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Discretization

discretizeddiscretizingdichotomization
Treating continuous variables or multicategorical variables as binary variables is called dichotomization.
Dichotomization is the special case of discretization in which the number of discrete classes is 2, which can approximate a continuous variable as a binary variable (creating a dichotomy for modeling purposes, as in binary classification).

Level of measurement

quantitativelevels of measurementscale
The nominal type differentiates between items or subjects based only on their names or (meta-)categories and other qualitative classifications they belong to; thus dichotomous data involves the construction of classifications as well as the classification of items.

Binary data

binarybinary variablebinary random variable
Treating continuous variables or multicategorical variables as binary variables is called dichotomization.
Modeling continuous data (or categorical data of more than 2 categories) as a binary variable for analysis purposes is called dichotomization (creating a dichotomy).

False dilemma

false dichotomyblack and white thinkingfalse dichotomies

Classification of mental disorders

Classification of mental disorderdiagnostic categoriespsychiatric classification systems
Some approaches to classification do not use categories with single cut-offs separating the ill from the healthy or the abnormal from the normal (a practice sometimes termed "threshold psychiatry" or "dichotomous classification" ).

Dummy variable (statistics)

dummy variableindicator variabledummy variables
The decision is dichotomous, i.e., the decision has two possible outcomes: yes and no.

Splitting (psychology)

splittingpsychological splittingsplit off
Splitting (also called black-and-white thinking or all-or-nothing thinking) is the failure in a person's thinking to bring together the dichotomy of both positive and negative qualities of the self and others into a cohesive, realistic whole.

Zeno's paradoxes

Achilles and the TortoiseparadoxesZeno's paradox
Three of the strongest and most famous—that of Achilles and the tortoise, the Dichotomy argument, and that of an arrow in flight—are presented in detail below.

Yin and yang

yin-yangyinyang
In Taoist metaphysics, distinctions between good and bad, along with other dichotomous moral judgments, are perceptual, not real; so, the duality of yin and yang is an indivisible whole.

Polychotomy

polychotomous
Polychotomy is a generalization of dichotomy, which is a polychotomy of exactly two parts.

Bipartite

Bipartite (disambiguation)
* Dichotomy

Complement (set theory)

complementset differencecomplements
The two parts thus formed are complements.

Logic

logicianlogicallogics
In logic, the partitions are opposites if there exists a proposition such that it holds over one and not the other.

Dual (category theory)

dualcategorical dualDually
In logic, the partitions are opposites if there exists a proposition such that it holds over one and not the other.

Proposition

propositionspropositionalclaim
In logic, the partitions are opposites if there exists a proposition such that it holds over one and not the other.

Continuous or discrete variable

continuous variablecontinuousdiscrete variable
Treating continuous variables or multicategorical variables as binary variables is called dichotomization.

Categorical variable

categoricalcategorical datadichotomous
Treating continuous variables or multicategorical variables as binary variables is called dichotomization.

Discretization error

digitization errorthrow away discriminative information
The discretization error inherent in dichotomization is temporarily ignored for modeling purposes.

Conceptual model

modelmodelsschema
The discretization error inherent in dichotomization is temporarily ignored for modeling purposes.