Browsing Department of Statistics by Advisor "Ndlovu, P."

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Forecasting annual tax revenue of the South African taxes using time series Holt-Winters and ARIMA/SARIMA Models

Makananisa, Mangalani P. (2015-10)

This study uses aspects of time series methodology to model and forecast major taxes such as Personal Income Tax (PIT), Corporate Income Tax (CIT), Value Added Tax (VAT) and Total Tax Revenue(TTAXR) in the South African ...
The use of effect sizes in credit rating models

Steyn, Hendrik Stefanus (2014-12)

The aim of this thesis was to investigate the use of effect sizes to report the results of statistical credit rating models in a more practical way. Rating systems in the form of statistical probability models like ...

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