Browsing Faculty of Natural Science by Author "Karangwa, Innocent"
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Comparing South African financial markets behaviour to the geometric Brownian Motion Process
Karangwa, Innocent (University of the Western Cape, 2008)This study examines the behaviour of the South African financial markets with regards to the Geometric Brownian motion process. It uses the daily, weekly, and monthly stock returns time series of some major securities ... -
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 ...