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Search Results - sparse model
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Psychosocial predictors of HIV treatment outcomes among young pregnant and postpartum women living with HIV
Published 2023“…The prevalence of each exposure variable was analyzed using descriptive statistics and associations between them and with the outcome variables (engagement in care and HIV viral load <50 copies/mL) were examined using Chi2 tests and Fischer exact tests for sparse data. Poisson regression models were built to examine the association between psychosocial burden and HIV treatment outcomes before and after adjusting for sociodemographic and clinical confounding variables. …”
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The development, validation, and evaluation of quantitative assays for determining adherence of heart failure patients to carvedilol, enalapril and perindopril
Published 2023“…Poor medication adherence contributes to the impact of chronic diseases such as HF. However, there are sparse adherence data on HF patients in sub-Saharan Africa (SSA). …”
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Bayesian machine learning : theory and applications
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Exploring the past and the present in order to predict the future: herbarium specimens, field data and extinction probability for conservation managers
Published 2019“…I present results that show how the inaccessibility of the underlying data results in sparse data available to run the extinction probability model, which alters the accuracy of extinction probability results. …”
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The prediction of the emission spectra of flares and solid propellant rockets
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Comparison of layered surface visualization through animated particles and rocking
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Investigating the continuance use intention of omnichannel retailing in South Africa: the role of customer experience
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HIV continuum of care outcomes among female sex workers in Kampala Uganda
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Anti-Malarial Polymer-Peptide Conjugates
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Phytogeography, endemism and diversity of the fynbos of the southern Langeberg
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Are solar home systems a more financially viable method of electrifying Ghana households?
Published 2021“…The study makes use of the Net Present Value model to compare the returns for Kpone and Zola Electric's Infinity solar home system. …”
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Conservation ecology of the Cape clawless otter, Aonyx capensis, in an urban environment
Published 2018“…I thus explored whether the large citizen science community in Cape Town can be used to monitor the population. I used Maxent to model otter distribution using citizen reported sightings over 5 years and compared the results with the occupancy model outputs. …”
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Mechanical characterisation and compressive creep of recycled aggregate limestone calcined clay cement concrete
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Testing a price breakout strategy using Donchian Channels
Published 2016“…This research report implements and tests the effectiveness of a trend following trading strategy on the South African Futures Exchange (SAFEX) through utilising Donchian Channels and modelled after the 'Turtle method' which was first popularized in the United States in the 1970s before the automation of trading models. …”
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Quantifying land-based sources of plastic pollution in South Africa
Published 2020“…I conclude that actual plastic emissions are some 1-2 orders of magnitude less than the global model estimate, which concurs with estimates based on beach litter data.…”
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