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Multivariate Decision Tree for High -dimensional Response Vector with Its Application
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 Title & Authors
Multivariate Decision Tree for High -dimensional Response Vector with Its Application
Lee, Seong-Keon;
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Multiple responses are often observed in many application fields, such as customer's time-of-day pattern for using internet. Some decision trees for multiple responses have been constructed by many researchers. However, if the response is a high-dimensional vector that can be thought of as a discretized function, then fitting a multivariate decision tree may be unsuccessful. Yu and Lambert (1999) suggested spline tree and principal component tree to analyze high dimensional response vector by using dimension reduction techniques. In this paper, we shall propose factor tree which would be more interpretable and competitive. Furthermore, using Korean internet company data, we will analyze time-of-day patterns for internet user.
Factor tree;High-dimensional response;Multivariate decision tree;Principal component tree;Spline tree;
 Cited by
Breiman, L., Friedman, J H., Olshen, R. A, Stone, C. J (1984), Classification and Regression Trees, Wadsworth, CA

Green, P. J, Silverman, B. W. (1999), Nonparametric Regression and generalized Linear Models, Chapman and Hall, London

Johnson, R. A, Wichern, D. W. (1998), Applied Multivariate Statistical Analysis, Prentice-Hall, London