Browsing Conference Papers - Vaal Triangle Campus by Author "Wilbert Sibanda"
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Development and validation of an HIV risk scorecard model
Wilbert Sibanda; Philip Pretorius (IEEE, 2013)This research paper covers the development of an HIV risk scorecard using SAS Enterprise MinerTM. The HIV risk scorecard was developed using the 2007 South African annual antenatal HIV and syphilis seroprevalence data. ... -
Response Surface Modeling and Optimization to Elucidate the Differential Effects of Demographic Characteristics on HIV Prevalence in South Africa
Wilbert Sibanda; Philip Pretorius; Anne Grobler (IEEE, 2012)In this study, a Central Composite Face Centered (CCF) design was employed to study the individual and interaction effects of demographic characteristics on the spread of HIV in South Africa. The demographic characteristics ...