• Spatial sampling for a rabies vaccination schedule in rural villages 

  Fabris-Rotelli, Inger Nicolette; Reynolds, Hayley; Stein, Alfred; Loots, Theodor (Springer, 2020-12)

  Efforts are being made to contain rabies in Tanzania, reported in the southern highland regions, since 1954, and endemic in all districts in Tanzania currently. It has been determined that mass vaccination of at least 70% ...
• The effect of tinnitus on hearing-related quality of life outcomes in adult cochlear implant recipients 

  Opperman, Elmien; Le Roux, Talita; Masenge, Andries; Eikelboom, Robert H. (Taylor and Francis, 2021)

  OBJECTIVE : To describe the effect of tinnitus distress on the hearing-related quality of life (QoL) outcomes over time in adult cochlear implant (CI) recipients. DESIGN : A retrospective, longitudinal study of adult CI ...
• A mixed model approach to conjoint analysis 

  Cronje, Tanita (University of Pretoria, 2014-05)

  In this decision-driven era, it has become vital for modelers to efficiently model consumer choices and preferences (from a marketing perspective for instance). Conjoint analysis is a known method which has been used to ...
• A taxonomy of explainable Bayesian networks 

  Derks, Iena Petronella; De Waal, Alta (Springer, 2020-12)

  Artificial Intelligence (AI), and in particular, the explainability thereof, has gained phenomenal attention over the last few years. Whilst we usually do not question the decision-making process of these systems in ...
• The compounding method for finding bivariate noncentral distributions 

  Ferreira, Johannes T. (University of Pretoria, 2014-04)

  The univariate and bivariate central chi-square- and F distributions have received a decent amount of attention in the literature during the past few decades; the noncentral counterparts of these distributions have been ...
• Evaluation of a pure-strategy Stackelberg game for wildlife security in a geospatial framework 

  Kirkland, Lisa-Ann; De Waal, Alta; De Villiers, Johan Pieter (Springer, 2020-12)

  Current research on wildlife security games has minimal focus on performance evaluation. The performance of the rangers is evaluated by assessing their game utility, sometimes in comparison with their maximin utility, and ...
• A theoretical framework for Landsat data modeling based on the matrix variate mean-mixture of normal model 

  Naderi, Mehrdad; Bekker, Andriette, 1958-; Arashi, Mohammad; Jamalizadeh, Ahad (Public Library of Science, 2020-04-09)

  This paper introduces a new family of matrix variate distributions based on the mean-mixture of normal (MMN) models. The properties of the new matrix variate family, namely stochastic representation, moments and ...
• First year with COVID-19 : assessment and prospects 

  Bergquist, Robert; Kiani, Behzad; Manda, Samuel (PAGEpress, 2020)

  No abstract available.
• A synergetic R-Shiny portal for modeling and tracking of COVID-19 data 

  Salehi, Mahdi; Arashi, Mohammad; Bekker, Andriette, 1958-; Ferreira, Johan; Chen, Ding-Geng (Din); Esmaeili, Foad; Frances, Motala (Frontiers Media, 2020-01)

  The purpose of this paper is to introduce a useful online interactive dashboard (https://mahdisalehi.shinyapps.io/Covid19Dashboard/) that visualize and follow confirmed cases of COVID-19 in real-time. The dashboard was ...
• Data Compression and Quantization 

  Du Toit, Benjamin David (University of Pretoria, 2014)

  Data Compression Due to limitations in data storage and bandwidth, data of all types has often required compression. This need has spawned many different methods of compressing data. In certain situations the fidelity of ...
• Some contributions to joint monitoring of mean and variance of normal populations 

  Diko, Mandla Doctor (University of Pretoria, 2014)

  In Chapter 1, we give a brief introduction to statistical process control (SPC) and provide definitions as well as background information regarding the research conducted in this mini-dissertation. This will aid in ...
• Adaboost and its application using classification trees 

  Vithal, Nishay (University of Pretoria, 2013)

  This mini-dissertation seeks to provide the reader with an understanding of one of the most popular boosting methods in use today called Adaboost and its first extension Adaboost.M1. Boosting, as the name suggests, is an ...
• Customer Value Management Using the Cox Additive Regression Model 

  van Wyk de Vries, Jan (University of Pretoria, 2013)

  The Cox-Proportional Hazards model is introduced as a potential tool to understand customer behavior relating to churn or disconnections in the telecommunications space. An overview of Survival Analysis is provided along ...
• Contributions to control charts for attributes data 

  Shongwe, Sandile Charles (University of Pretoria, 2014)

  No abstract
• Concept mapping as a strategy to scaffold concept literacy in accounting for extended programmes 

  Immelman, Susan; Carstens, Adelia; Smith, S.; Masenge, Andries (Higher Education South Africa, 2020-03)

  While great strides have been made to improve accessibility to higher education in South Africa, successful completion of bachelor's degrees within the prescribed time remains a challenge. Research suggests that a lack ...
• Skew generalized normal innovations for the AR(p) process endorsing asymmetry 

  Neethling, Ane; Ferreira, J.T. (Johannes); Bekker, Andriette, 1958-; Naderi, Mehrdad (MDPI Publishing, 2020-07-29)

  The assumption of symmetry is often incorrect in real-life statistical modeling due to asymmetric behavior in the data. This implies a departure from the well-known assumption of normality defined for innovations in time ...
• Joint probabilistic modeling of wind speed and wind direction for wind energy analysis : a case study in Humansdorp and Noupoort 

  Arashi, Mohammad; Nagar, Priyanka; Bekker, Andriette, 1958- (MDPI Publishing, 2020-05-26)

  South Africa has great potential for considering wind energy as an alternative resource. The climatology allows for significant wind energy production. An accurate joint description of the wind speed (linear) and wind ...
• The arts in science? Using poetry to teach Chemistry in Grade 9 

  Mirkin, Philip Joshua; Evans, Rinelle; Ferreira, J.T. (Johannes) (Education Association of South Africa, 2020-12)

  Modern science education the world over deliberately remains in the objective, rational, positivist paradigm. In South African classrooms, this paradigm is often alienating for young learners who then stop learning science ...
• Translating new evidence into clinical practice : a quasi-experimental controlled before–after study evaluating the effect of a novel outreach mentoring approach on knowledge, attitudes and confidence of health workers providing HIV and infant feeding counselling in South Africa 

  Goga, Ameena Ebrahim; Doherty, Tanya; Manda, Samuel; Nkwenika, Tshifhiwa; Haskins, Lyn; John, Vaughn; Engebretsen, Ingunn M.S.; Feucht, Ute Dagmar; Dhansay, Ali; Rollins, Nigel; Kroon, Max; Sanders, David; Kauchali, Shuaib; Tylleskär, Thorkild; Horwood, Christiane (BMJ Publishing Group, 2020-08)

  OBJECTIVES: We report the effectiveness of a mentoring approach to improve health workers’ (HWs’) knowledge, attitudes and confidence with counselling on HIV and infant feeding. DESIGN: Quasi-experimental controlled ...
• Understanding alcohol-specific antecedents among Chinese vocational school adolescents 

  Bo, Ai; Wu, Shiyou Y.; Chen, Ding-Geng (Din); Marsiglia, Flavio F.; Zhu, Yuhong; Zhang, Lin; Zhu, Binyu (Elsevier, 2020-11)

  BACKGROUND : Alcohol use among Chinese vocational school students is widespread and associated with many negative consequences. However, alcohol-specific antecedents for this population are understudied. OBJECTIVES : The ...

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