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- CHAID abstract "CHAID is a type of decision tree technique, based upon adjusted significance testing (Bonferroni testing). The technique was developed in South Africa and was published in 1980 by Gordon V. Kass, who had completed a PhD thesis on this topic. CHAID can be used for prediction (in a similar fashion to regression analysis, this version of CHAID being originally known as XAID) as well as classification, and for detection of interaction between variables. CHAID stands for CHi-squared Automatic Interaction Detection, based upon a formal extension of the US AID (Automatic Interaction Detection) and THAID (THeta Automatic Interaction Detection) procedures of the 1960s and 70s, which in turn were extensions of earlier research, including that performed in the UK in the 1950s.In practice, CHAID is often used in the context of direct marketing to select groups of consumers and predict how their responses to some variables affect other variables, although other early applications were in the field of medical and psychiatric research.Like other decision trees, CHAID's advantages are that its output is highly visual and easy to interpret. Because it uses multiway splits by default, it needs rather large sample sizes to work effectively, since with small sample sizes the respondent groups can quickly become too small for reliable analysis.One important advantage of CHAID over alternatives such as multiple regression is that it is non-parametric. It does not require that the data are normally distributed.".
- CHAID wikiPageID "6609041".
- CHAID wikiPageRevisionID "603226991".
- CHAID hasPhotoCollection CHAID.
- CHAID subject Category:Classification_algorithms.
- CHAID subject Category:Decision_trees.
- CHAID subject Category:Regression_analysis.
- CHAID subject Category:Statistical_algorithms.
- CHAID type Abstraction100002137.
- CHAID type Act100030358.
- CHAID type Activity100407535.
- CHAID type Algorithm105847438.
- CHAID type ClassificationAlgorithms.
- CHAID type Event100029378.
- CHAID type Procedure101023820.
- CHAID type PsychologicalFeature100023100.
- CHAID type Rule105846932.
- CHAID type StatisticalAlgorithms.
- CHAID type YagoPermanentlyLocatedEntity.
- CHAID comment "CHAID is a type of decision tree technique, based upon adjusted significance testing (Bonferroni testing). The technique was developed in South Africa and was published in 1980 by Gordon V. Kass, who had completed a PhD thesis on this topic. CHAID can be used for prediction (in a similar fashion to regression analysis, this version of CHAID being originally known as XAID) as well as classification, and for detection of interaction between variables.".
- CHAID label "CHAID".
- CHAID label "CHAID".
- CHAID label "CHAID".
- CHAID sameAs CHAID.
- CHAID sameAs CHAID.
- CHAID sameAs m.0gdm_f.
- CHAID sameAs Q1023599.
- CHAID sameAs Q1023599.
- CHAID sameAs CHAID.
- CHAID wasDerivedFrom CHAID?oldid=603226991.
- CHAID isPrimaryTopicOf CHAID.