A graphical exploration of the relationship between parasite aggregation indices.

The level of aggregation in parasite populations is frequently incorporated into ecological studies. It is measured in various ways including variance-to-mean ratio, mean crowding, the k parameter of the negative binomial distribution and indices based on the Lorenz curve such as the Gini index (Pou...

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Main Authors: R McVinish, R J G Lester
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2024-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0315756
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author R McVinish
R J G Lester
author_facet R McVinish
R J G Lester
author_sort R McVinish
collection DOAJ
description The level of aggregation in parasite populations is frequently incorporated into ecological studies. It is measured in various ways including variance-to-mean ratio, mean crowding, the k parameter of the negative binomial distribution and indices based on the Lorenz curve such as the Gini index (Poulin's D) and the Hoover index. Assuming the frequency distributions follow a negative binomial, we use contour plots to clarify the relationships between aggregation indices, mean abundance and prevalence. The contour plots highlight the nonlinear nature of the relationships between these measures and suggest that correlations are not a suitable summary of these relationships.
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issn 1932-6203
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spelling doaj-art-6f577379b61c447f8ecfdb1afdba520b2025-01-08T05:32:03ZengPublic Library of Science (PLoS)PLoS ONE1932-62032024-01-011912e031575610.1371/journal.pone.0315756A graphical exploration of the relationship between parasite aggregation indices.R McVinishR J G LesterThe level of aggregation in parasite populations is frequently incorporated into ecological studies. It is measured in various ways including variance-to-mean ratio, mean crowding, the k parameter of the negative binomial distribution and indices based on the Lorenz curve such as the Gini index (Poulin's D) and the Hoover index. Assuming the frequency distributions follow a negative binomial, we use contour plots to clarify the relationships between aggregation indices, mean abundance and prevalence. The contour plots highlight the nonlinear nature of the relationships between these measures and suggest that correlations are not a suitable summary of these relationships.https://doi.org/10.1371/journal.pone.0315756
spellingShingle R McVinish
R J G Lester
A graphical exploration of the relationship between parasite aggregation indices.
PLoS ONE
title A graphical exploration of the relationship between parasite aggregation indices.
title_full A graphical exploration of the relationship between parasite aggregation indices.
title_fullStr A graphical exploration of the relationship between parasite aggregation indices.
title_full_unstemmed A graphical exploration of the relationship between parasite aggregation indices.
title_short A graphical exploration of the relationship between parasite aggregation indices.
title_sort graphical exploration of the relationship between parasite aggregation indices
url https://doi.org/10.1371/journal.pone.0315756
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AT rjglester graphicalexplorationoftherelationshipbetweenparasiteaggregationindices