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Bayesian spatial NBDA for diffusion data with home-base coordinates

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Nightingale_2015_PLOSone_Bayesian_CC.pdf (2.661Mb)
Date
02/07/2015
Author
Nightingale, Glenna Faith
Laland, Kevin Neville
Hoppitt, William John Edward
Nightingale, Peter
Keywords
Bayesian inference
Social learning
NBDA
Spatial
Point processes
QH301 Biology
HA Statistics
QA76 Computer software
NDAS
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Abstract
Network-based diffusion analysis (NBDA) is a statistical method that allows the researcher to identify and quantify a social influence on the spread of behaviour through a population. Hitherto, NBDA analyses have not directly modelled spatial population structure. Here we present a spatial extension of NBDA, applicable to diffusion data where the spatial locations of individuals in the population, or of their home bases or nest sites, are available. The method is based on the estimation of inter-individual associations (for association matrix construction) from the mean inter-point distances as represented on a spatial point pattern of individuals, nests or home bases. We illustrate the method using a simulated dataset, and show how environmental covariates (such as that obtained from a satellite image, or from direct observations in the study area) can also be included in the analysis. The analysis is conducted in a Bayesian framework, which has the advantage that prior knowledge of the rate at which the individuals acquire a given task can be incorporated into the analysis. This method is especially valuable for studies for which detailed spatially structured data, but no other association data, is available. Technological advances are making the collection of such data in the wild more feasible: for example, bio-logging facilitates the collection of a wide range of variables from animal populations in the wild. We provide an R package, spatialnbda, which is hosted on the Comprehensive R Archive Network (CRAN). This package facilitates the construction of association matrices with the spatial x and y coordinates as the input arguments, and spatial NBDA analyses.
Citation
Nightingale , G F , Laland , K N , Hoppitt , W J E & Nightingale , P 2015 , ' Bayesian spatial NBDA for diffusion data with home-base coordinates ' , PLoS One , vol. 10 , no. 7 , e0130326 . https://doi.org/10.1371/journal.pone.0130326
Publication
PLoS One
Status
Peer reviewed
DOI
https://doi.org/10.1371/journal.pone.0130326
ISSN
1932-6203
Type
Journal article
Rights
© 2015 Nightingale et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited
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  • University of St Andrews Research
URL
http://dx.doi.org/10.17630/598D93F6-8B24-45D1-B606-05950144691C
URI
http://hdl.handle.net/10023/6981

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