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McKenna, Eoghan, Higginson, Sarah, Hargreaves, Tom 
ORCID: https://orcid.org/0000-0002-3764-7364, Chilvers, Jason ORCID: https://orcid.org/0000-0001-9238-1653 and Thomson, Murray
(2020)
When activities connect: Sequencing, network analysis, and energy demand modelling in the United Kingdom.
Energy Research & Social Science, 69.
ISSN 2214-6296
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Abstract
This work applies a network analysis technique to the study of real and synthetic residential activity data commonly used in activity and energy demand research. UK Time Use Survey activity diaries are converted into network graphs of activity sequences. Differences between weekday and weekend networks are compared using network metrics: size, density, centrality and homophily. The results show that the weekday activity sequence network is smaller, less dense, more central and has lesser homophily than the weekend network. The technique is applied to test the validation of a model of residential active occupancy in buildings that uses a first-order Markov chain technique to generate synthetic data. The results show that the synthetic data reproduces relative differences between the network metrics for weekdays and weekends but the differences between real and synthetic data are statistically significant and greater or comparable to the differences observed between real weekday and weekend data. The first-order Markov chain technique fails to capture important characteristics of the sequence network that are present in the real data. The analysis technique presented here can be used to improve the testing and validation of such models in future, as well the comparative analysis of sets of aggregated activity data for periods of known difference in energy demand.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Environmental Sciences University of East Anglia Research Groups/Centres > Theme - ClimateUEA |
| UEA Research Groups: | Faculty of Science > Research Centres > Centre for Social and Economic Research on the Global Environment (CSERGE) Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences Faculty of Science > Research Groups > Science, Society and Sustainability Faculty of Science > Research Groups > Environmental Social Sciences |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 21 May 2020 00:23 |
| Last Modified: | 20 Mar 2023 10:48 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/75270 |
| DOI: | 10.1016/j.erss.2020.101572 |
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