A variance shift model for outlier detection and estimation in linear and linear mixed models by Gumedze, Freedom Nkhululeko

“…Likelihood ratio and score test statistics are developed as objective measures for the variance shift estimates. The proposed test statistics initially assume balanced longitudinal data with a Gaussian distributed response variable. …”
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Shrinkage estimation in ARMA-GARCH regression models with an application in Bitcoin returns

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The effects of race and assertiveness on active and passive influencing : a four year follow-up by Van der Westhuizen, Varenka

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Workplace internet leisure browsing, recovery experiences and occupational well-being by Stander, Xander

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A roadmap for the digital transformation of labour-intensive organisations by Loots, Tiaan André

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Broad-based black economic empowerment : the holy grail for financial health? A study of companies listed on the Johannesburg Stock Exchange by Dreyer, Jan Adriaan

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Role of cell membrane integrity and oxidation stress in development of external browning of white seedless table grapes (Vitis vinifera L.) by Botes, Wilhelmina Jacoba

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The relationship between knowledge creation dimensions and the entrepreneurial performance of a local government institution in South Africa

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The evaluation of computer based training as a method of teaching map reading in a military context by Conradie, Anje

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