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dc.contributor.author
Acuña, Fabian Horacio
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dc.contributor.author
Ricci, Lila
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dc.contributor.author
Excoffon, Adriana Carmen
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dc.contributor.author
Zamponi, Mauricio Oscar
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dc.date.available
2022-04-22T16:48:03Z
dc.date.issued
2004-11-08
dc.identifier.citation
Acuña, Fabian Horacio; Ricci, Lila; Excoffon, Adriana Carmen; Zamponi, Mauricio Oscar; A Novel Statistical Analysis of Cnidocysts in Acontiarian Sea Anemones (Cnidaria, Actiniaria) Using Generalized Linear Models with Gamma Errors; Elsevier Gmbh; Zoologischer Anzeiger; 243; 1-2; 8-11-2004; 47-52
dc.identifier.issn
0044-5231
dc.identifier.uri
http://hdl.handle.net/11336/155578
dc.description.abstract
Comparative studies on cnidocysts, involving adequate statistical treatment, are very scarce. Classical statistical tests are frequently used assuming normal frequency distributions of capsule lengths, but many distributions are non-normal in acontiarian sea anemones. A traditional choice in these situations are non-parametric tests, although they are not as powerful as parametric tests. An extension of classical methods was developed by some authors; these models, called Generalized Linear Models (GLM), can be used under certain conditions with non-normal data. In view of the properties of our data, that are positive, skewed and with constant coefficient of variation, a Generalized Linear Model with gamma distribution and inverse link function was chosen to analyse the cnidae of acontia from the species Haliplanella lineata, Tricnidactis errans and Anthothoe chilensis. Graphical analysis of residuals showed that these assumptions were reasonable. This method allowed us to avoid transformation of dataset and controversial cases in the limit of significance level. For this task, appropriate subroutines in GLIM language were written. In all cases highly significant differences were found between the specimens considered for every species and nematocyst type (b-rhabdoids, p-rhabdoids B1b and p-rhabdoids B2a).
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Gmbh
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CNIDAE LENGTH
dc.subject
STATISTICS
dc.subject
GAMMA DISTRIBUTION
dc.subject
ACONTIARIA
dc.subject.classification
Biología Marina, Limnología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
A Novel Statistical Analysis of Cnidocysts in Acontiarian Sea Anemones (Cnidaria, Actiniaria) Using Generalized Linear Models with Gamma Errors
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-12-03T19:57:14Z
dc.journal.volume
243
dc.journal.number
1-2
dc.journal.pagination
47-52
dc.journal.pais
Alemania
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dc.description.fil
Fil: Acuña, Fabian Horacio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Ricci, Lila. Universidad Nacional de Mar del Plata; Argentina
dc.description.fil
Fil: Excoffon, Adriana Carmen. Universidad Nacional de Mar del Plata; Argentina
dc.description.fil
Fil: Zamponi, Mauricio Oscar. Universidad Nacional de Mar del Plata; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.journal.title
Zoologischer Anzeiger
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0044523104000075?via%3Dihub
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.jcz.2004.06.002
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