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Data for Bayesian complementary clustering, MCMC and Anglo-Saxon placenames

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Zanella, Giacomo (2015) Data for Bayesian complementary clustering, MCMC and Anglo-Saxon placenames. [Dataset]

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compclust_supp_f.zip

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Abstract

Common cluster models for multi-type point processes model the aggregation of points of the same type. In complete contrast, in the study of Anglo-Saxon settlements it is hypothesized that administrative clusters involving complementary names tend to appear. We investigate the evidence for such a hypothesis by developing a Bayesian Random Partition Model based on clusters formed by points of different types (complementary clustering).

As a result we obtain an intractable posterior distribution on the space of matchings contained in a k-partite hypergraph. We use the Metropolis-Hastings (MH) algorithm to sample from such a distribution. We consider the problem of what is the optimal, informed MH proposal distribution given a fixed set of allowed moves. To answer such a question we de ne the notion of balanced proposals and we prove that, under some assumptions, such proposals are maximal in the Peskun sense. Using such ideas we obtain substantial mixing improvements compared to other choices found in the literature. Simulated Tempering techniques can be used to overcome multimodality and a multiple proposal scheme is developed to allow for parallel programming. Finally, we discuss results arising from the careful use of convergence diagnostic techniques.

This allows us to study a dataset including locations and placenames of 1316 Anglo-Saxon settlements dated around 750-850 AD. Without strong prior knowledge, the model allows for explicit estimation of the number of clusters, the average intra-cluster dispersion and the level of interaction among placenames. The results support the hypothesis of organization of settlements into administrative clusters based on complementary names.

Item Type: Dataset
Subjects: D History General and Old World > DA Great Britain
Q Science > QA Mathematics
Divisions: Faculty of Science > Statistics
Type of Data: Anglo-Saxon settlements dataset; R code
Library of Congress Subject Headings (LCSH): Cluster analysis, Names, Geographical -- Great Britain, Great Britain -- History -- Anglo-Saxon period, 449-1066
Publisher: Department of Statistics, University of Warwick
Official Date: 7 September 2015
Dates:
DateEvent
7 September 2015Available
Status: Not Peer Reviewed
Publication Status: Published
Media of Output: Text file (.txt); R file (.R)
Access rights to Published version: Open Access
Description:

The following files perform the analysis of the corresponding Sections of the paper (Zanella 2014):

"Section4.1.2_Convergence_diagnostic.R"
"Section2.3.1_Monte_Carlo_Test_based_on_K_functions.R"
"Section5_analyse_selected_dataset_with_poisson_model.r"

The following files are used by the other three files and are not meant to be run by themselves:

"data_acquisition_and_transformation.R"
"functions.R"
"Perform_test.R"

RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/D002060/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
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