Browsing Philosophiae Doctor - PhD (Statistics and Population Studies) by Author "Blignaut, Renette"
Now showing items 1-3 of 3
-
Imputation techniques for non-ordered categorical missing data
Karangwa, Innocent (University of the Western Cape, 2016)Missing data are common in survey data sets. Enrolled subjects do not often have data recorded for all variables of interest. The inappropriate handling of missing data may lead to bias in the estimates and incorrect ... -
Missing imputation methods explored in big data analytics
Brydon, Humphrey Charles (University of the Western Cape, 2018)The aim of this study is to look at the methods and processes involved in imputing missing data and more specifically, complete missing blocks of data. A further aim of this study is to look at the effect that the imputed ... -
Survival modelling and analysis of HIV/AIDS patients on HIV care and antiretroviral treatment to determine longevity prognostic factors
Maposa, Innocent (University of the Western Cape, 2016)The HIV/AIDS pandemic has been a torment to the African developmental agenda, especially the Southern African Development Countries (SADC), for the past two decades. The disease and condition tends to affect the productive ...