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us_congress — US Congressional co-sponsorship (1973-2016)

Description

Signed networks of relationships among the members of the U.S. Congress, inferred by Z. P. Neal from bill co-sponsorship data, for each chamber and each Congress from the 93rd (1973–1974) to the 114th (2015–2016). There is one network for each chamber and Congress, named by the chamber (H for the House of Representatives, S for the Senate) followed by the number of the Congress (e.g. S100 for the Senate of the 100th Congress).

Nodes are representatives or senators. The relationships were obtained from the bipartite network of legislators and the bills they sponsored or co-sponsored, by extracting its signed backbone with the stochastic degree sequence model (SDSM): two legislators have a positive relationship if they co-sponsored significantly more bills together than expected given the numbers of bills each of them (co-)sponsored and the numbers of (co-)sponsors of each bill, and a negative relationship if they co-sponsored significantly fewer bills together than expected. Pairs without a significant relationship are not connected.

The networks have the following properties:

  • (Node) name: the name of the legislator, with state and party affiliation (e.g. Baucus, M. (MT-D)).
  • (Edge) weight: the sign of the relationship, $+1$ (positive) or $-1$ (negative).
Tags
Social Political Signed Temporal
Added
2020-08-11
Citation
  • Z. P. Neal, "A sign of the times? Weak and strong polarization in the U.S. Congress, 1973-2016." Social Networks 60, 103-112 (2020) 10.1016/j.socnet.2018.07.007 Sci-Hub
  • Neal, Z. P. (2014). "The backbone of bipartite projections: Inferring relationships from co-authorship, co-sponsorship, co-attendance and other co-behaviors." Social Networks, 39, 84-97. 10.1016/j.socnet.2014.06.001 Sci-Hub
Upstream URL 403
https://doi.org/10.6084/m9.figshare.8096429
Upstream license
Creative Commons Attribution 4.0 International (CC BY 4.0), https://creativecommons.org/licenses/by/4.0/
Networks
Tip: click on a column header to sort the list, or hover over it for a description.
Column legend
$\left<k\right>$
Mean degree
$\sigma_k$
Standard deviation of the degrees
$\lambda_h$
Largest eigenvalue of the Hashimoto (non-backtracking) matrix
$\tau$
Random walk mixing time
$r$
Degree assortativity
$c$
Global clustering coefficient
$\oslash$
(Pseudo-) diameter
$S$
Relative size of the largest component
NPs
Node properties
EPs
Edge properties
Name Nodes Edges $\left<k\right>$ $\sigma_k$ $\lambda_h$ $\tau$ $r$ $c$ $\oslash$ $S$ Kind Mode NPs EPs gt GraphML GML csv
H93 446 18,083 81.09 59.01 109.19 0.98 -0.31 0.29 3 1.00 Undirected Unipartite name weight 24 KiB 66 KiB 68 KiB 53 KiB
H94 445 19,503 87.65 61.17 116.53 0.97 -0.30 0.31 2 1.00 Undirected Unipartite name weight 25 KiB 71 KiB 74 KiB 57 KiB
H95 444 21,133 95.19 57.26 120.90 0.85 -0.24 0.33 3 1.00 Undirected Unipartite name weight 27 KiB 76 KiB 80 KiB 61 KiB
H96 442 51,081 231.14 75.69 251.31 0.62 -0.19 0.59 2 1.00 Undirected Unipartite name weight 34 KiB 156 KiB 156 KiB 133 KiB
H97 447 49,364 220.87 76.67 241.93 0.81 -0.21 0.57 2 1.00 Undirected Unipartite name weight 34 KiB 152 KiB 163 KiB 128 KiB
H98 444 48,721 219.46 68.71 236.90 0.86 -0.17 0.57 2 1.00 Undirected Unipartite name weight 35 KiB 152 KiB 157 KiB 127 KiB
H99 443 49,764 224.67 65.88 240.25 0.81 -0.17 0.57 2 1.00 Undirected Unipartite name weight 35 KiB 154 KiB 168 KiB 130 KiB
H100 446 50,688 227.30 65.71 242.95 0.78 -0.15 0.57 2 1.00 Undirected Unipartite name weight 36 KiB 158 KiB 171 KiB 133 KiB
H101 449 56,231 250.47 61.42 262.98 0.79 -0.12 0.62 2 1.00 Undirected Unipartite name weight 37 KiB 174 KiB 184 KiB 147 KiB
H102 447 58,067 259.81 64.22 272.82 0.77 -0.14 0.64 2 1.00 Undirected Unipartite name weight 37 KiB 179 KiB 191 KiB 152 KiB
H103 446 59,092 264.99 61.79 277.82 0.80 -0.07 0.65 2 1.00 Undirected Unipartite name weight 37 KiB 181 KiB 200 KiB 155 KiB
H104 445 62,154 279.34 69.79 295.72 0.64 -0.03 0.69 2 1.00 Undirected Unipartite name weight 35 KiB 189 KiB 209 KiB 163 KiB
H105 449 66,701 297.11 69.81 312.73 0.63 0.00 0.73 2 1.00 Undirected Unipartite name weight 36 KiB 203 KiB 215 KiB 175 KiB
H106 442 63,652 288.02 68.57 303.09 0.67 -0.04 0.72 2 1.00 Undirected Unipartite name weight 36 KiB 195 KiB 220 KiB 168 KiB
H107 447 63,851 285.69 68.30 300.81 0.66 -0.04 0.70 2 1.00 Undirected Unipartite name weight 36 KiB 196 KiB 206 KiB 169 KiB
H108 444 66,277 298.55 71.19 314.30 0.64 -0.04 0.74 2 1.00 Undirected Unipartite name weight 35 KiB 202 KiB 214 KiB 174 KiB
H109 445 66,700 299.78 71.09 315.21 0.63 -0.06 0.74 2 1.00 Undirected Unipartite name weight 35 KiB 203 KiB 229 KiB 176 KiB
H110 452 70,923 313.82 63.59 325.98 0.63 0.02 0.75 2 1.00 Undirected Unipartite name weight 36 KiB 216 KiB 234 KiB 187 KiB
H111 451 70,160 311.13 66.62 324.16 0.64 -0.04 0.75 2 1.00 Undirected Unipartite name weight 36 KiB 214 KiB 222 KiB 184 KiB
H112 450 77,872 346.10 63.15 356.67 0.57 -0.01 0.82 2 1.00 Undirected Unipartite name weight 31 KiB 234 KiB 238 KiB 204 KiB
H113 447 75,771 339.02 60.79 349.01 0.58 -0.00 0.81 2 1.00 Undirected Unipartite name weight 32 KiB 226 KiB 230 KiB 199 KiB
H114 446 75,180 337.13 64.52 347.99 0.57 -0.07 0.80 2 1.00 Undirected Unipartite name weight 31 KiB 225 KiB 233 KiB 197 KiB
S93 101 2,439 48.30 17.12 52.89 0.74 -0.11 0.58 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 10 KiB 8 KiB
S94 100 2,432 48.64 17.15 53.00 0.79 -0.18 0.58 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 8 KiB
S95 104 2,336 44.92 17.30 49.66 0.79 -0.17 0.53 2 1.00 Undirected Unipartite name weight 4 KiB 10 KiB 9 KiB 8 KiB
S96 101 2,275 45.05 17.58 49.88 0.81 -0.18 0.56 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 7 KiB
S97 101 2,073 41.05 15.07 44.78 0.97 -0.14 0.48 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 8 KiB 7 KiB
S98 101 2,194 43.45 14.55 46.75 0.86 -0.13 0.51 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 7 KiB
S99 101 2,177 43.11 14.42 46.37 0.88 -0.12 0.50 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 7 KiB
S100 101 2,143 42.44 15.19 45.99 0.97 -0.20 0.50 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 7 KiB
S101 101 2,445 48.42 15.18 51.58 0.90 -0.17 0.57 2 1.00 Undirected Unipartite name weight 4 KiB 10 KiB 10 KiB 8 KiB
S102 102 2,479 48.61 15.19 51.66 0.95 -0.16 0.55 2 1.00 Undirected Unipartite name weight 4 KiB 10 KiB 10 KiB 8 KiB
S103 101 2,257 44.69 15.51 48.69 0.90 -0.11 0.53 3 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 7 KiB
S104 102 2,324 45.57 17.43 51.06 0.81 -0.06 0.56 3 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 8 KiB
S105 100 3,002 60.04 16.12 63.16 0.69 -0.07 0.67 2 1.00 Undirected Unipartite name weight 4 KiB 11 KiB 11 KiB 9 KiB
S106 102 2,930 57.45 14.19 59.87 0.72 -0.03 0.62 2 1.00 Undirected Unipartite name weight 4 KiB 11 KiB 11 KiB 9 KiB
S107 101 2,522 49.94 15.08 53.12 0.83 -0.10 0.56 2 1.00 Undirected Unipartite name weight 4 KiB 10 KiB 10 KiB 8 KiB
S108 100 2,387 47.74 13.42 50.41 0.77 -0.03 0.52 2 1.00 Undirected Unipartite name weight 4 KiB 9 KiB 9 KiB 8 KiB
S109 101 2,823 55.90 13.97 58.25 0.68 -0.06 0.59 2 1.00 Undirected Unipartite name weight 4 KiB 11 KiB 11 KiB 9 KiB
S110 102 2,779 54.49 16.11 58.25 0.75 -0.01 0.62 3 1.00 Undirected Unipartite name weight 4 KiB 11 KiB 11 KiB 9 KiB
S111 109 3,645 66.88 18.27 70.42 0.77 -0.13 0.69 2 1.00 Undirected Unipartite name weight 4 KiB 13 KiB 13 KiB 11 KiB
S112 101 3,914 77.50 15.46 79.38 0.56 -0.11 0.83 2 1.00 Undirected Unipartite name weight 4 KiB 14 KiB 14 KiB 12 KiB
S113 105 3,932 74.90 18.29 78.21 0.65 -0.07 0.80 2 1.00 Undirected Unipartite name weight 4 KiB 15 KiB 15 KiB 12 KiB
S114 100 3,696 73.92 14.42 75.77 0.58 0.02 0.79 2 1.00 Undirected Unipartite name weight 4 KiB 14 KiB 14 KiB 11 KiB
Ridiculograms*
* These are automatically generated force-directed visualizations, and can be quite meaningless for networks both big and small. They should not be taken seriously as sources of scientific insight. See here for a discussion.