Search Results - (samples OR sample) optimisation

  1. Constructing low cost core-satellite portfolios with multiple risk constraints: practical applications to Robo advising in South Africa using active, passive and smart-beta strateg... by Smith, Jacques

    Published 2021
    “…These techniques contribute to the portfolio optimisation process by limiting the extent to which a portfolio can deviate from its benchmark with regards to risk and tracking error. …”
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  2. Enhancing customer engagement in e-commerce: improving e-marketing open rates through model-free reinforcement learning. by Grobler, Abraham

    Published 2024
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  3. Investigations into the use of a novel graphene wool sampler for organic air pollutants

    Published 2020
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  4. Exploring the nomological network structure of team effectiveness in team building

    Published 2026
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  5. Proteomic investigation of blood-based biomarkers for the diagnosis of HIV-associated neurocognitive disorders by Murugan, Brandon Dean

    Published 2016
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  6. Effect of obesity on dolutegravir exposure in Black Southern African adults living with HIV by Mondleki, Enkosi

    Published 2023
    “…Methods: Blood samples were collected at various time points over a 24 hour-period for dolutegravir assays. …”
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  7. The development and demonstration of a practical methodology for fine particle shape characterisation in minerals processing by Little, Lucy

    Published 2017
    “…Due to continually declining ore grades, increasing mineralogical complexity, and increasing metal demand, models for the design and optimisation of minerals processing operations are of critical importance. …”
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  8. Detection and Analysis of Molten Aluminium Cleanliness Using a Pulsed Ultrasound System by Matlala, Kgothatso

    Published 2023
    “…The data is then labelled by assessing the sample using metallography. The analysis provides the sample outcome and dominant inclusion. …”
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  9. Exploring new methodologies to identify disease-associated variants in African populations through the integration of patient genotype data and clinical phenotypes derived from rou... by Tamuhla, Tsaone

    Published 2023
    “…We then conducted a feasibility study and piloted the tiered informed consent process, DNA collection by buccal swab and DNA extraction from buccal swabs and peripheral blood samples. DNA samples were genotyped for approximately 2.2 million variants on the Infinium™ H3Africa Consortium Array V2. …”
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  10. Characterisation and detection of Mycobacterium tuberculosis in pleural biopsies using Proteomics and Molecular techniques

    Published 2015
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  11. Current account sustainability: evidence from South Africa by North, Andrew

    Published 2015
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  12. Optimal reliability-based design of bulk water supply systems by Chang, Ching-Chiao

    Published 2015
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  13. The relationship between various risk factors and the cost of equity premium implied by analysts' forecasts on the New York Stock Exchange by Goussard, Heleen

    Published 2018
    “…This study, an implementation of Arbitrage Pricing Theory, attempts to create a parsimonious model of factors that are associated with the implied cost of equity premium utilised by equity analysts on the New York Stock Exchange ("NYSE"). After limiting the sample to NYSE-listed companies that were primarily exposed to US macro-economic conditions and were likely to be valued overwhelmingly on a going-concern basis, the test sample consisted of 5,343 company quarters covering the period 2006 to 2015. …”
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  14. Strategies for combining tree-based learners by Meyer, Nicholas George

    Published 2020
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  15. The effect of drawing strain on the fatigue behaviour of stainless and carbon steel wires by Topic, Miroslav

    Published 2014
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  16. Antenna elements for sparse-regular aperture arrays by Klopper, Brandt

    Published 2019
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  17. Effect of scale of operation on heap leaching performance by Van Staden, Petrus Johannes

    Published 2019
    “…Tests were performed to observe the leaching performance of segregated and stratified ore samples, compared to unsegregated and unstratified ore samples. …”
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