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Competition and the Role of Dominant Ants

Catherine L. Parr and Heloise Gibb

in Ant Ecology

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199544639
eISBN:
9780191720192
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199544639.003.0005
Subject:
Biology, Ecology, Animal Biology

Competition occurs when different species or individuals require the same limiting resources. It can occur within colonies for reproductive rights, between colonies of the same species (intraspecific ... More


Generalized Linear Models for Data with Non-Normal Distributions

Andy Hector

in The New Statistics with R: An Introduction for Biologists

Published in print:
2015
Published Online:
March 2015
ISBN:
9780198729051
eISBN:
9780191795855
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198729051.003.0009
Subject:
Biology, Biomathematics / Statistics and Data Analysis / Complexity Studies, Ecology

This chapter looks at three of the main types of generalized linear model (GLM). GLMs using the Poisson distribution are a good starting place when dealing with integer count data. The default log ... More


Likelihood and model selection

Shane A. Richards

in Ecological Statistics: Contemporary theory and application

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199672547
eISBN:
9780191796487
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199672547.003.0004
Subject:
Biology, Biomathematics / Statistics and Data Analysis / Complexity Studies, Ecology

Ecologists study systems in which the biological patterns of interest are usually the result of complex webs of interactions. In such cases, many hypotheses may be proposed that might account for the ... More


Mixture models for overdispersed data

Jonathan R. Rhodes

in Ecological Statistics: Contemporary theory and application

Published in print:
2015
Published Online:
April 2015
ISBN:
9780199672547
eISBN:
9780191796487
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199672547.003.0013
Subject:
Biology, Biomathematics / Statistics and Data Analysis / Complexity Studies, Ecology

Ecological data often do not conform to the assumptions of standard probability distributions and this has important implications for the validity of statistical inference. A common reason for this ... More


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