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Browsing by UP Author "Das, Sonali"
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Analysing maximum monthly temperatures in South Africa for 45 years using functional data analysis Rangata, Mapitsi; Das, Sonali; Ali, Montaz (Asia University, Taiwan, 2020)The paper uses Functional Data Analysis (FDA) to explore space and time variation of monthly maximum temperature data of 16 locations in South Africa for the period 1965 - 2010 at intervals of 5 years. We explore monthly ...
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Mangisa, Siphumlile; Das, Sonali; Gupta, Rangan (World Scientific Publishing, 2022-06)This paper studies the relationship between monthly economic uncertainty of 20 advanced and emerging markets, and two daily covariates, i.e., exchange rate and stock index, with particular emphasis on the relationship ...
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Das, Sonali; Demirer, Riza; Gupta, Rangan (Elsevier, 2019-09)This paper presents a novel, mixed-frequency based regression approach, derived from functional data analysis (FDA), to analyze the effect of global crises on stock market correlations, using a long span of data, dating ...
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Ilo, Sylvester O.; Das, Sonali; Bello, Felix G. (Africa Journal, 2023)The need to systematically examine emergent literature focusing on the impact of the COVID-19 pandemic on South African tourism is prompted by the contributions of tourism to the South African economy. The Preferred Reporting ...
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Ilo, Sylvester O.; Das, Sonali; Bello, Felix G. (Routledge, 2024)The adverse impacts of the COVID-19 pandemic on the global tourism industry necessitated several responses from policymakers in order to support the industry’s recovery and post-pandemic growth. Southern Africa hosts ...
Now showing items 1-5 of 5