Newman/dolphins
social network of dolphins, Doubtful Sound, New Zealand
| Name |
dolphins |
| Group |
Newman |
| Matrix ID |
2396 |
|
Num Rows
|
62 |
|
Num Cols
|
62 |
|
Nonzeros
|
318 |
|
Pattern Entries
|
318 |
|
Kind
|
Undirected Graph |
|
Symmetric
|
Yes |
|
Date
|
2003 |
|
Author
|
D. Lusseau |
|
Editor
|
M. Newman |
| Structural Rank |
|
| Structural Rank Full |
|
|
Num Dmperm Blocks
|
|
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
7.193614e+00 |
| Minimum Singular Value |
4.603053e-17 |
| Condition Number |
1.562792e+17
|
| Rank |
60 |
| sprank(A)-rank(A) |
|
| Null Space Dimension |
2 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| Notes |
Network collection from M. Newman
http://www-personal.umich.edu/~mejn/netdata/
The graph dolphins contains an undirected social network of frequent
associations between 62 dolphins in a community living off Doubtful Sound,
New Zealand, as compiled by Lusseau et al. (2003). Please cite
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).
Additional information on the network can be found in
D. Lusseau, The emergent properties of a dolphin social network,
Proc. R. Soc. London B (suppl.) 270, S186-S188 (2003).
D. Lusseau, Evidence for social role in a dolphin social network,
Preprint q-bio/0607048 (http://arxiv.org/abs/q-bio.PE/0607048)
|
