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Dolphins

About this network

This is a directed social network of bottlenose dolphins. The nodes are the bottlenose dolphins (genus Tursiops) of a bottlenose dolphin community living off Doubtful Sound, a fjord in New Zealand (spelled fiord in New Zealand). An edge indicates a frequent association. The dolphins were observed between 1994 and 2001.

Network info

CodeDO
Category Animal
Date of origin1994 – 2001
Data source http://www-personal.umich.edu/~mejn/netdata/
Vertex type Dolphin
Edge type Association
FormatUndirected: Edges are undirected Undirected
Edge weightsUnweighted: Simple edges Unweighted
Size62 vertices (dolphins)
Volume159 edges (associations)
Average degree5.1290 edges / vertex
Fill0.084082 edges / vertex2
Maximum degree12 edges
Size of LCC62 vertices (network is connected)
Wedge count923
Claw count1,861
Triangle count95
Square count278
4-tour count6,234
Power law exponent (estimated) with dmin7.7110 (dmin = 9)
Gini coefficient32.5%
Relative edge distribution entropy95.7%
Assortativity–0.043594
Clustering coefficient30.9%
Diameter8 edges
90-percentile effective diameter5.05 edges
Mean shortest path length3.45 edges
Spectral norm7.1936
Algebraic connectivity0.17297
Degree distribution of the Dolphins network
Degree distribution
Degree distribution of the Dolphins network
Degree distribution
Degree distribution of the Dolphins network
Degree distribution
Clustering coefficient distribution of the Dolphins network
Clustering coefficient distribution
Distance distribution of the Dolphins network
Distance distribution
Distance distribution on a logistic scale of the Dolphins network
Distance distribution on a logistic scale
Top-k eigenvalues of A of the Dolphins network
Top-k eigenvalues of A
Top-k eigenvalues of N of the Dolphins network
Top-k eigenvalues of N
Top-k eigenvalues of L of the Dolphins network
Top-k eigenvalues of L
Spectral distribution of the eigenvalues of A of the Dolphins network
Spectral distribution of the eigenvalues of A
Spectral distribution of the eigenvalues of N of the Dolphins network
Spectral distribution of the eigenvalues of N
Spectral distribution of the eigenvalues of L of the Dolphins network
Spectral distribution of the eigenvalues of L
Cumulative spectral distribution of A of the Dolphins network
Cumulative spectral distribution of A
Cumulative spectral distribution of N of the Dolphins network
Cumulative spectral distribution of N
Cumulative spectral distribution of L of the Dolphins network
Cumulative spectral distribution of L
Eigenvectors of A of the Dolphins network
Eigenvectors of A
Eigenvectors of L of the Dolphins network
Eigenvectors of L

Layout

Layout of the Dolphins network
Layout

Downloads

TSV file:downloaddolphins.tar.bz2 (1.96 KiB)

References

[1] Dolphins network dataset -- KONECT, October 2016. [ http ]
[2] D. Lusseau, K. Schneider, O. J. Boisseau, P. Haase, E. Slooten, and S. M. Dawson. The bottlenose dolphin community of Doubtful Sound features a large proportion of long-lasting associations. Behavioral Ecology and Sociobiology, 54:396--405, 2003.

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