Now showing items 1-4 of 4
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 ...
Preconditioning for feature selection in classification
(Stellenbosch : Stellenbosch University, 2019-04)
ENGLISH SUMMARY : Increased dimensionality of data is a clear trend that has been observed over the past few decades. However, analysing high-dimensional data in order to predict an outcome can be problematic. In certain ...