keepset

Zachary's Karate Club

Social network of friendships between 34 members of a karate club at a US university in the 1970s.

npx keepset fetch karate

Nodes
34
Edges
78
Size
970 B

Fetch and preview this dataset on this page, or download the result as JSON. The command line fetches it without a browser.

Overview

Idkarate
Categorygraph/v1
Kindgraph
DomainSocial network
Tagssmall
LicenceFree for scientific use, to the best of the compiler's knowledge
Cataloguekeepset 1.33.0

Sources and provenance

#URLStatusRetrievedRead by recipePinned snapshotSHA-256
0https://websites.umich.edu/~mejn/netdata/karate.ziplive2026-01-17yes
1https://www.cise.ufl.edu/research/sparse/MM/Newman/karate.tar.gzlive2026-10-21
2https://sparse.tamu.edu/MM/Newman/karate.tar.gzlive2026-01-17
3https://sparse.tamu.edu/RB/Newman/karate.tar.gzlive2026-01-17
4https://sparse.tamu.edu/mat/Newman/karate.tar.gzlive2026-01-17

Citations

Recipe

Source#0
Archivezip
Memberending .gml
Parser format"gml"
Parser encoding"utf-8"

Crosswalk

keepset/topology to graph/v1, as a crossmap crosswalk.

RuleFromToDirection
movemetametaboth
movenodes[].idnodes[].idboth
moveedges[].sourceedges[].sourceboth
moveedges[].targetedges[].targetboth

Expected counts

Edges78
Nodes34

Properties

Components1
Connectedyes
Cyclicyes
Density0.1408
Directedno
Download bytes970 B
Edge types1
Heterogeneousno
Multigraphno
Node types1
Raw bytes4.9 KiB
Self loopsno
Weightedno