Jester 150
This weighted network contains information about how users rated a total amount
of 150 jokes. Not every user rated every joke. Rating values are continuous
values between −10 and +10. An edge shows that a user has rated a joke. Left
nodes are users; right nodes are jokes.
Metadata
Statistics
Size  n =  50,832

Left size  n_{1} =  50,692

Right size  n_{2} =  140

Volume  m =  1,728,847

Wedge count  s =  19,185,429,458

Claw count  z =  220,017,686,996,709

Cross count  x =  2,405,341,029,254,686,208

Square count  q =  266,934,299,745

4Tour count  T_{4} =  2,212,223,162,138

Maximum degree  d_{max} =  50,692

Maximum left degree  d_{1max} =  140

Maximum right degree  d_{2max} =  50,692

Average degree  d =  68.022 0

Average left degree  d_{1} =  34.104 9

Average right degree  d_{2} =  12,348.9

Fill  p =  0.243 607

Size of LCC  N =  50,832

Diameter  δ =  3

50Percentile effective diameter  δ_{0.5} =  1.500 45

90Percentile effective diameter  δ_{0.9} =  1.901 77

Median distance  δ_{M} =  2

Mean distance  δ_{m} =  2.000 89

Gini coefficient  G =  0.737 569

Balanced inequality ratio  P =  0.214 431

Left balanced inequality ratio  P_{1} =  0.312 166

Right balanced inequality ratio  P_{2} =  0.354 322

Relative edge distribution entropy  H_{er} =  0.759 472

Power law exponent  γ =  1.927 86

Tail power law exponent  γ_{t} =  1.881 00

Degree assortativity  ρ =  −0.492 637

Degree assortativity pvalue  p_{ρ} =  0.000 00

Spectral norm  α =  1,863.19

Algebraic connectivity  a =  2.215 21

Negativity  ζ =  0.445 897

Algebraic conflict  ξ =  7.650 34

Spectral signed frustration  φ =  0.028 117 1

Plots
Matrix decompositions plots
Downloads
References
[1]

Jérôme Kunegis.
KONECT – The Koblenz Network Collection.
In Proc. Int. Conf. on World Wide Web Companion, pages
1343–1350, 2013.
[ http ]

[2]

Ken Goldberg, Theresa Roeder, Dhruv Gupta, and Chris Perkins.
Eigentaste: A constant time collaborative filtering algorithm.
Inf. Retrieval, 4(2):133–151, 2001.
