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Estimating measurement error in blood pressure, using structural equations modelling
(Stellenbosch : Stellenbosch University, 2004)
ENGLISH ABSTRACT: Any branch in science experiences measurement error to some extent. This maybe due to
conditions under which measurements are taken, which may include the subject, the
observer, the measurement instrument, ...
Non-parametric regression modelling of in situ fCO2 in the Southern Ocean
(Stellenbosch : Stellenbosch University, 2012-12)
ENGLISH ABSTRACT: The Southern Ocean is a complex system, where the relationship between CO2
concentrations and its drivers varies intra- and inter-annually. Due to the lack
of readily available in situ data in the ...
Comparison of methods to calculate measures of inequality based on interval data
(Stellenbosch : Stellenbosch University, 2015-12)
ENGLISH ABSTRACT: In recent decades, economists and sociologists have taken an increasing interest in the study of
income attainment and income inequality. Many of these studies have used census data, but
social surveys ...
The effect of liquidity on stock returns on the JSE
(Stellenbosch : Stellenbosch University, 2012-12)
ENGLISH ABSTRACT: This thesis examines the effect of liquidity on excess stock returns on the Johannesburg Stock Exchange (JSE) over the period 2003 to 2011. It builds on the findings of previous studies that found size, ...
Optimal asset allocation for South African pension funds under the revised Regulation 28
(Stellenbosch : Stellenbosch University, 2012-03)
ENGLISH ABSTRACT: On 1 July 2011 the revised version of Regulation 28, which governs the South African
pension fund industry with regard to investments, took effect. The new version allows for
pension funds to invest ...
The implementation of noise addition partial least squares
(Stellenbosch : University of Stellenbosch, 2009-03)
When determining the chemical composition of a specimen, traditional laboratory techniques are often both expensive and time consuming. It is therefore preferable to employ more cost effective spectroscopic techniques such ...
An analysis of income and poverty in South Africa
(Stellenbosch : University of Stellenbosch, 2007-03)
The aim of this study is to assess the welfare of South Africa in terms of poverty
and inequality. This is done using the Income and Expenditure Survey (IES) of
2000, released by Statistics South Africa, and reviewing ...
A comparison of support vector machines and traditional techniques for statistical regression and classification
(Stellenbosch : Stellenbosch University, 2004-04)
ENGLISH ABSTRACT: Since its introduction in Boser et al. (1992), the support vector machine has become a
popular tool in a variety of machine learning applications. More recently, the support
vector machine has also ...
Non-parametric volatility measurements and volatility forecasting models
(Stellenbosch : Stellenbosch University, 2005-03)
ENGLISH ABSTRACT: Volatilty was originally seen to be constant and deterministic, but it was later realised that
return series are non-stationary. Owing to this non-stationarity nature of returns, there were
no reliable ...
Advances in random forests with application to classification
(Stellenbosch : Stellenbosch University, 2016-12)
ENGLISH SUMMARY : Since their introduction, random forests have successfully been employed in a vast array of application areas. Fairly recently, a number of algorithms that adhere to Leo Breiman’s definition of a random ...