The Relationship Between Climate Change and Human Fertility

Researcher: Ayrton Altorio, University of the Witwatersrand, JohannesburgSupervisor: Prof. Nicole de Wet-Billings, University of the Witwatersrand, Johannesburg Climate change, as we know it, has been a key point of academic discussion for many decades. Throughout these years there has been scarce research interest directed towards the relationship

Read More

Attention-based LSTM algorithm with ARIMA on wavelet denoised Bitcoin prices

Researcher: Ndamulelo Innocent Nelwamondo, University of the Witwatersrand, JohannesburgSupervisor: Dr Farai Mlambo, University of the Witwatersrand, Johannesburg The cryptocurrency market is recognized for its intense uncertainty and instability, and people are still searching for a reliable and convenient way to direct cryptocurrency trading. An overall of 4

Read More

Event classification for gamma-hadron separation for H.E.S.S

Researcher: WandileLesejane, University of the Witwatersrand, JohannesburgSupervisor: Prof Nukri Komin, University of the Witwatersrand, Johannesburg The H.E.S.S is one of the best IACTs and is crucial for studying cosmic particles, particularly gamma induced particles. It is able todetect particles with energies ranging from tens of GeV to

Read More

Customer churn prediction in telecoms industry using random forest

Researcher: Fortune Mhlanga, University of the Witwatersrand, JohannesburgSupervisor: Dr Wilbert Chagwiza, University of the Witwatersrand, Johannesburg The telecommunications industry lose customers to their competitors daily in the world. The churning of customers always leads to reduced revenues. The need to create predictive models that would predict customers

Read More

Credit Card Default Payment Prediction using Random Forest

Researcher: Thanganedzo Beverly Mashamba, University VendaSupervisor: Dr W Chagwiza, University of the Witwatersrand, Johannesburg Lending money to customers, it is a good investment if the credit card is with a customer with good credit standing[1, 2]. Credit card applicants are usually subjected to thorough background checks before

Read More

Predicting Insurance Claims Fraud using Random Forest

Researcher: Khanya May, University of the Witwatersrand, JohannesburgSupervisor: Dr Wilbert Chagwiza, University of the Witwatersrand, Johannesburg Fraud presents a threat that has serious consequences in the insurance industry. In recent years the use of machine learning and analytical techniques for fraud detection has been a topic of

Read More

Modelling Gold Production Using Sigmoid Models

Researcher: Ignitious Chauke, University of VendaSupervisor: Dr Caston Sigauke, University of Venda This study approximate monthly gold production from Sibanye-Stillwater South Africa (SA) gold operations based on five sigmoid models. The studied models were Gompertz, Gaussian, Probit and the Hill, which were used to forecast the future.

Read More

Electoral Accountability in South Africa

Researcher: Leslie Dwolatzky, University of the Witwatersrand, JohannesburgSupervisor: Prof. Rod Alence, University of the Witwatersrand, Johannesburg This research project investigates the relationship between change in support for the ANC and the change in the provision of public services at the electoral ward level. The project replicates the

Read More