In mathematics, in the study of statistical properties of graphs, the null model is a graph which matches one specific graph in some of itsâ€¦Â (More)

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2012

2012

Null model analysis has been a popular tool for detecting pattern in binary presenceâ€“absence matrices, and previous tests haveâ€¦Â (More)

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2012

2012

- Patrick O. Perry, Patrick J. Wolfe
- ArXiv
- 2012

The analysis of datasets taking the form of simple, undirected graphs continues to gain in importance across a variety ofâ€¦Â (More)

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2011

2011

In all empirical-network studies, the observed properties of economic networks are informative only if compared with a wellâ€¦Â (More)

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2009

Highly Cited

2009

Many analyses of ecological networks in recent years have introduced new indices to describe network properties. As a consequenceâ€¦Â (More)

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2006

2006

The neutral model posits that random variation in extinction and speciation events, coupled with limited dispersal, can accountâ€¦Â (More)

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2005

Highly Cited

2005

- Robert I Colautti, Igor A. Grigorovich, Hugh J. Macisaac
- Biological Invasions
- 2005

Invasion ecology has been criticised for its lack of general principles. To explore this criticism, we conducted a meta-analysisâ€¦Â (More)

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2005

2005

- Kevin Karplus, Rachel Karchin, George Shackelford, Richard Hughey
- Bioinformatics
- 2005

MOTIVATION
Hidden Markov models (HMMs) calculate the probability that a sequence was generated by a given model. Log-odds scoringâ€¦Â (More)

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1999

Highly Cited

1999

A family of scaling corrections aimed to improve the chi-square approximation of goodness-oft test statistics in small samplesâ€¦Â (More)

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1998

Highly Cited

1998

- Kevin Karplus, Christian Barrett, Richard Hughey
- Bioinformatics
- 1998

MOTIVATION
A new hidden Markov model method (SAM-T98) for finding remote homologs of protein sequences is described and evaluatedâ€¦Â (More)

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1997

Highly Cited

1997

- Christian Barrett, Richard Hughey, Kevin Karplus
- Computer Applications in the Biosciences
- 1997

MOTIVATION
Statistical sequence comparison techniques, such as hidden Markov models and generalized profiles, calculate theâ€¦Â (More)

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