Author:de Moor, Carryn L; Butterworth, Doug SDate:2009A 2-stock, 2-area hypothesis for the South African sardine resource is being developed, with the following boundaries: i) A “western” stock distributed throughout the “western area”, defined as the area west of Cape Agulhas ii) An “eastern” ...Read more
Author:Mthembu, N S; Greene, J RDate:2004Measures of class separability can provide valuable insights into data, and suggest promising classification algorithms and approaches in data mining. We compare three simple class separability measures used in supervised machine learning. ...Read more
Author:Daniels, Reza CheDate:28 May 2015In this paper the Total Survey Error (TSE) paradigm is combined with detailed data quality indicators to develop a framework for investigating micro data quality. The TSE framework is widely used in the survey methodology literature to identify ...Read more
Author:Wiseman, KeithDate:1989Providing a clean, potable supply of water is a critical problem in remote or underdeveloped rural areas. Water is needed for drinking, cooking, washing and bathing, but is often only available from traditional sources such as springs, rivers ...Read more
Author:Finn, ArdenDate:06 Jun 2017Understanding the composition and wage structure of the South African labour market is crucial in the progressing national minimum wage debate in the country. This study highlights the centrality of wages in household income, and in determining ...Read more