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Binary classification trees : a comparison with popular classification methods in statistics using different software
(Stellenbosch : Stellenbosch University, 2002-12)
ENGLISH ABSTRACT: Consider a data set with a categorical response variable and a set of explanatory variables. The response variable can have two or more categories and the explanatory variables can be numerical or ...
Aspects of multi-class nearest hypersphere classification
(Stellenbosch : Stellenbosch University, 2017-12)
ENGLISH SUMMARY : Using hyperspheres in the analysis of multivariate data is not a common practice in Statistics. However, hyperspheres have some interesting properties which are useful for data analysis in the following ...
Statistical classification in high-dimensional scenarios with a focus on microarray data sets
ENGLISH SUMMARY : High-dimensional data analysis characterises many contemporary problems in statistics and arise in many application areas. This thesis focuses on very high-dimensional problems in which the input predictor ...