An Introduction to Ensemble Methods for Data Analysis

This article provides an introduction to ensemble statistical procedures as a special case of algorithmic methods. The discussion begins with classification and regression trees (CART) as a didactic device to introduce many of the key issues. Following the material on CART is a consideration of cros...

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Bibliographic Details
Published inSociological methods & research Vol. 34; no. 3; pp. 263 - 295
Main Author Berk, Richard A.
Format Journal Article
LanguageEnglish
Published Thousand Oaks, CA SAGE Publications 01.02.2006
Sage Publications
SAGE PUBLICATIONS, INC
Subjects
Algorithms
Classification
Data analysis
History, theory and methodology
Methodology
Methodology (Data Analysis)
Research methods
Social research
Sociology
Statistical analysis
Statistical methods
Statistics
algorithmic methods
data analysis
ensemble methods
CART
Data Analysis
Methodology
Algorithm
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Summary:This article provides an introduction to ensemble statistical procedures as a special case of algorithmic methods. The discussion begins with classification and regression trees (CART) as a didactic device to introduce many of the key issues. Following the material on CART is a consideration of cross-validation, bagging, random forests, and boosting. Major points are illustrated with analyses of real data.
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ISSN:0049-1241
1552-8294
DOI:10.1177/0049124105283119