Polytomy

Known as: Polytomous 
In biology, a polytomy /pəˈlɪtəmi/ is a section of a phylogeny in which the relationships cannot be fully resolved to dichotomies, thus giving many… (More)
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Papers overview

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2014
2014
Distance-based phylogenetic algorithms attempt to solve the NP-hard least-squares phylogeny problem by mapping an arbitrary… (More)
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Highly Cited
2012
Highly Cited
2012
  • Rebecca Zwick Dorothy T. Thayer
  • 2012
Several recent studies have investigated the application of statistical inference procedures to the analysis of differential item… (More)
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2011
2011
A phylogenetic tree, showing ancestral relations among organisms, is commonly represented as a rooted tree with sets of… (More)
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2007
2007
The Rasch family of models considered in this paper includes models for polytomous items and multiple correlated latent traits… (More)
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2006
2006
We consider the problem of reconciling gene trees with a species tree based on the widely accepted Gene Duplication model from… (More)
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Highly Cited
2006
Highly Cited
2006
The R package ltm has been developed for the analysis of multivariate dichotomous and polytomous data using latent variable… (More)
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Highly Cited
2004
Highly Cited
2004
Microarray experiments generate large datasets with expression values for thousands of genes, but not more than a few dozens of… (More)
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Highly Cited
2002
Highly Cited
2002
  • 2002
Felsenstein's (1985) method of phylogenetically independent contrasts was the first statistically valid parametric method for… (More)
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Highly Cited
2002
Highly Cited
2002
Latent Class Analysis (LCA) is a statistical technique that is used in factor, cluster, and regression techniques; it is a subset… (More)
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Highly Cited
2002
Highly Cited
2002
This note describes latent variable modeling with categorical outcomes in several groups and for longitudinal data. Different… (More)
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