Parameter exploration of the raster space activity bundle simulation
Parameter exploration of the raster space activity bundle simulation
Research on the transmission of infectious diseases amongst the human population at fine scales is limited. At this level, the dynamics of humans are determined by their social activities and the physical condition of the environment.
Raster space AB (activity bundle) simulation is a method to simulate humans’ contacts within a space under the framework of an individual space–time activitybased
model (ISTAM).
The parameters of the raster space AB simulation were
explored. For static ABs, the results show the relations between proportion infected and proportion occupied, number of index cases, size of AB, size of cell, ratio of AB
and ratio of cell, respectively due to the different spatial distributions of individuals.
The most important parameters were number of index cases, size of AB and proportion occupied. For dynamic ABs, analysis shows that movement frequency is more important than movement proportion.
An example application of raster space AB simulation shows that this method can be used effectively to quantify the
infection risk (proportion infected) at the within-AB level. This research can further the understanding of transmission process at fine scales and is beneficial to the
design and testing of control measures.
activity bundle(AB), individual space–time activity-based model(ISTAM), raster space AB simulation
263-289
Yang, Yong
30132289-c7c9-4228-99f9-592b3c4d7062
Atkinson, P.M.
96e96579-56fe-424d-a21c-17b6eed13b0b
11 July 2008
Yang, Yong
30132289-c7c9-4228-99f9-592b3c4d7062
Atkinson, P.M.
96e96579-56fe-424d-a21c-17b6eed13b0b
Yang, Yong and Atkinson, P.M.
(2008)
Parameter exploration of the raster space activity bundle simulation.
Journal of Geographical Systems, 10 (3), .
(doi:10.1007/s10109-008-0062-8).
Abstract
Research on the transmission of infectious diseases amongst the human population at fine scales is limited. At this level, the dynamics of humans are determined by their social activities and the physical condition of the environment.
Raster space AB (activity bundle) simulation is a method to simulate humans’ contacts within a space under the framework of an individual space–time activitybased
model (ISTAM).
The parameters of the raster space AB simulation were
explored. For static ABs, the results show the relations between proportion infected and proportion occupied, number of index cases, size of AB, size of cell, ratio of AB
and ratio of cell, respectively due to the different spatial distributions of individuals.
The most important parameters were number of index cases, size of AB and proportion occupied. For dynamic ABs, analysis shows that movement frequency is more important than movement proportion.
An example application of raster space AB simulation shows that this method can be used effectively to quantify the
infection risk (proportion infected) at the within-AB level. This research can further the understanding of transmission process at fine scales and is beneficial to the
design and testing of control measures.
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More information
Published date: 11 July 2008
Keywords:
activity bundle(AB), individual space–time activity-based model(ISTAM), raster space AB simulation
Identifiers
Local EPrints ID: 146745
URI: http://eprints.soton.ac.uk/id/eprint/146745
ISSN: 1435-5930
PURE UUID: 4c3d99bb-1888-4355-9811-e87050f717e4
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Date deposited: 22 Apr 2010 12:19
Last modified: 14 Mar 2024 02:37
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Contributors
Author:
Yong Yang
Author:
P.M. Atkinson
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