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Using ERGMs to Disaggregate Displacement Cascades* Cover

Using ERGMs to Disaggregate Displacement Cascades*

Journal of Social Structure
Volume 19 (2018): Issue 1 (January 2018)
By: Justin Schon  
Open Access
|Jun 2018

Figures & Tables

Figure 1.

Transitivity
Transitivity

Figure 2.

Somalia Displacement Flow Network* *Label size is based on weighted in-degree centrality. Edges are weighted based on IDP flows.
Somalia Displacement Flow Network* *Label size is based on weighted in-degree centrality. Edges are weighted based on IDP flows.

Figure 3.

Somalia Displacement Flow Network* * Label size is based on weighted out-degree centrality. Edges are weighted based on IDP flows.
Somalia Displacement Flow Network* * Label size is based on weighted out-degree centrality. Edges are weighted based on IDP flows.

Figure 4.

Mogadishu Section of Somalia Displacement Flow Network* *Label size is based on weighted degree centrality. Edges are weighted based on IDP flows.
Mogadishu Section of Somalia Displacement Flow Network* *Label size is based on weighted degree centrality. Edges are weighted based on IDP flows.

Network Node Summary Statistics

 Unweighted25 Percentile50 Percentile75 Percentile
Bantu3310
Dir2214107
Rahanweyn4727159
Darod65503719
Hawiye1591279564
Urban65585343
Control Changes64544632
Road1701319967
Total29622115899

Displacement by Clan

 Average Displacement In-FlowAverage Displacement Out-Flow
Bantu6090
Darod54864801
Dir74073723
Hawiye899311647
Rahanweyn72891030

Displacement Out-Flow by Attribute Traits

 UrbanRoadControl ChangesALL ATTRIBUTES
Urban11,880156,86642 
Road156,8661,821,7907,672 
Control Changes427,6724,886 
ALL ATTRIBUTES   90,105

75th Percentile Directed Network

 EstimateSEEstimateSEEstimateSEEstimateSE
Edges-5.738***0.3220 -6.857*** 0.4232-5.726***0.3049-6.517***0.4109
Main Effects
In-Degree Urban-0.0530.2234 -0.011 0.31430.0510.2094-0.1340.3086
Out-Degree Urban-0.882**0.2742 -0.715** 0.2639-0.722**0.2639-0.876**0.2773
In-Degree Control Changes0.0180.2228 0.240 0.29550.1270.20080.0670.3094
Out-Degree Control Changes-1.012***0.2675 -0.824** 0.2537-0.860***0.2571-1.005***0.2702
In-Degree Road0.2400.2151 0.189 0.31220.0430.20530.4130.3080
Out-Degree Road1.723***0.2820 1.457*** 0.27641.481***0.28751.719***0.2839
Homophily
Clan0.503**0.1921 0.434* 0.18100.399*0.16610.552**0.2022
Network Structure
Transitivity   2.099*** 0.19241.507***0.1496  
Preferential Attachment   2.393*** 0.4084  1.774***0.3853
AIC13392 111411521160
Number of Nodes99
Displacement Threshold2622

50th Percentile Directed Network

 EstimateSEEstimateSEEstimateSE
Edges-5.782***0.1796 -5.290*** 0.1335-6.029***0.2074
Main Effects
In-Degree Urban0.2320.1612 -0.157 0.08850.2900.1830
Out-Degree Urban0.948***0.1450 0.340*** 0.08660.951***0.1464
In-Degree Control Changes0.1150.1642 -0.241** 0.08630.1510.1824
Out-Degree Control Changes1.138***0.1496 0.430*** 0.06631.139***0.1510
In-Degree Road0.0880.1518 0.021 0.08130.1110.1735
Out-Degree Road-0.0510.1683 0.003 0.0591-0.0540.1690
Homophily
Clan0.473***0.1367 0.167** 0.06310.489***0.1362
Network Structure
Transitivity   1.901*** 0.1152  
Preferential Attachment    0.733**0.2764
AIC34255 22962387
Number of Nodes158
Displacement Threshold835

Displacement In-Flow by Attribute Traits

 UrbanRoadControl ChangesALL ATTRIBUTES
Urban28,459311,4918,063 
Road311,4911,066,41944,814 
Control Changes8,06344,81459,389 
ALL ATTRIBUTES   380,013

Unweighted Directed Network

 EstimateSEEstimateSEEstimateSE
Edges-5.678***0.1112 -6.333*** 0.4820-5.603***0.1195
Main Effects
In-Degree Urban-0.322*0.1235 -0.033 0.0639-0.291*0.1227
Out-Degree Urban-0.4400.1260 -0.191 0.1038-0.444***0.1280
In-Degree Control Changes-0.0590.1152 0.161* 0.0802-0.0620.1111
Out-Degree Control Changes-0.4520.1244 -0.242* 0.0951-0.452***0.1241
In-Degree Road0.350*0.0991 -0.040 0.05810.320*0.0983
Out-Degree Road0.7590.1029 0.349*** 0.05730.758***0.1025
Homophily
Clan0.100*0.0933 0.016 0.05970.1010.0928
Network Structure
Transitivity   2.616*** 0.4458  
Preferential Attachment    -0.2690.1900
AIC120980 55195912
Number of Nodes296
Displacement Threshold1

Weighted Degree Centrality Measures

 Weighted DegreeWeighted In-DegreeWeighted Out-Degree
#1Mogadishu (1115853)Afgooye (255709)Mogadishu (1063203)
#2Afgooye (311639)Gaalkacyo (66879)Guri-Ceel (157391)
#3Guri-Ceel (199090)Xaawo-Cabdi (61631)Belet Weyne (95047)
#4Belet Weyne (118231)Dhobley (59326)Afgooye (55930)
#5Gaalkacyo (89804)Mogadishu (52650)Laas Caanood (53759)

25th Percentile Directed Network

 EstimateSEEstimateSEEstimateSEEstimateSE
Edges-5.257***0.1240-6.108***0.2097 -5.487*** 0.1285-5.223***0.1375
Main Effects
In-Degree Urban0.0890.13400.201***0.0407 0.199 0.13890.08650.1328
Out-Degree Urban-0.2680.1468-0.313***0.0391 -0.056 0.1329-0.26740.1496
In-Degree Control Changes-0.0930.1377-0.0480.0391 0.127 0.1080-0.09130.1323
Out-Degree Control Changes-0.527***0.1536-0.527***0.0481 -0.243 0.1564-0.528***0.1533
In-Degree Road0.1570.11840.0370.0288 -0.056 0.12110.14990.1154
Out-Degree Road0.427***0.11770.335***0.0364 0.120 0.08440.429***0.1185
Homophily
Clan0.275*0.11020.278***0.0305 0.149 0.12080.272*0.1084
Network Structure
Transitivity  2.952***0.1792 1.819*** 0.0646  
Preferential Attachment  0.8451857.1505  -0.11920.2166
AIC633573833 37614048
Number of Nodes221
Displacement Threshold324
DOI: https://doi.org/10.21307/joss-2018-006 | Journal eISSN: 1529-1227 | Journal ISSN: 2300-0422
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Language: English
Page range: 1 - 40
Published on: Jun 26, 2018
Published by: International Network for Social Network Analysis (INSNA)
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Related subjects:
Social sciences,
Social sciences, other

© 2018 Justin Schon, published by International Network for Social Network Analysis (INSNA)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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