• The implementation of noise addition partial least squares 

      Moller, Jurgen Johann (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 ...
    • Estimating the window period and incidence of recently infected HIV patients. 

      Du Toit, Cari (Stellenbosch : University of Stellenbosch, 2009-03)
      Incidence can be defined as the rate of occurence of new infections of a disease like HIV and is an useful estimate of trends in the epidemic. Annualised incidence can be expressed as a proportion, namely the number of ...