Permutation testing in analyzing the changes in the intensity of hypoglycaemic episodes occuring within 24 hours from previous episodes

Hani Syahida Zulkafli*, George Steftaris, Gavin J. Gibson, Nicola N. Zammitt

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

This study is motivated by the issue that arises when modelling the consistency of symptoms reporting by individual patients during hypoglycaemic episodes. It is argued that any episode occurring within 24 hours from a previous episode may reduce the intensity of subsequent hypoglycaemic episodes. Such episodes were excluded from further consideration because they could potentially affect our model given that it is based on the patient's inherent propensity to report a given symptom and the intensity of that symptom in a given episode. The aim of this study is to investigate the effect of adding data from episodes that occurred within 24 hours from their preceding episode. We develop a permutation testing to investigate whether episodes' intensity exhibits change that goes beyond random variation when episodes are in temporal proximity. Further analysis consists of comparison between the two cases i.e. excluding episodes within 24 hours and including those episodes with regards to their correlations between the intensity of the episodes. The analysis shows that adding these new episodes does not have a significant impact on the intensity of episodes.

Original languageEnglish
Title of host publicationThe 4th Innovation and Analytics Conference and Exhibition (IACE 2019)
PublisherAIP Publishing
ISBN (Electronic)9780735418813
DOIs
Publication statusPublished - 21 Aug 2019
Event4th Innovation and Analytics Conference and Exhibition 2019 - Kedah, Malaysia
Duration: 25 Mar 201928 Mar 2019

Publication series

NameAIP Conference Proceedings
Volume2138
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference4th Innovation and Analytics Conference and Exhibition 2019
Abbreviated titleIACE 2019
Country/TerritoryMalaysia
CityKedah
Period25/03/1928/03/19

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science
  • General Physics and Astronomy
  • Nature and Landscape Conservation

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