Color Images for Lothar Krempel: Network Visualization, In: John
Transcription
Color Images for Lothar Krempel: Network Visualization, In: John
Color Images for Lothar Krempel: Network Visualization, In: John Scott and Peter J. Carrington (eds.), The SAGE Handbook of Social Network Analysis. London: Sage. June 22, 2010 List of Figures 1 2 3 4 5 6 7 8 9 10 11 A schematic network drawing . . . . . . . . . . . . . . . . . . 2 A spring-layout of German capital ties for 1996 . . . . . . . 3 The Munsell System differentiates between nine levels of lightness and ten hues which are organized radially on each of the vertical levels. Colors with identical saturation (chroma) are equidistant to the center. It is a perceptually uniform color system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Color schemes for the communication of qualitative, sequential and divergent distributions. (Cynthia Brewer, www.colorbrewer.org) Using size to different centralities makes it easy to compare their distributions. (compare fig. 1) . . . . . . . . . . . . . . . 6 A bipartite graph: Davis Southern Women . . . . . . . . . . 7 A block model: Southern Women . . . . . . . . . . . . . . . 8 Mapping external attributes . . . . . . . . . . . . . . . . . . . 9 Capital ties and attributes . . . . . . . . . . . . . . . . . . . . 10 Visualizing the comparative static development of the German company system (1996 - 2006) . . . . . . . . . . . . . . . 11 Geomi: Emails between scientists over time . . . . . . . . . 12 1 5 Figure 1: A schematic network drawing Carol Andre Fernando Diane Beverly Heather Ike Jane Garth Ed Pajek 2 Figure 2: A spring-layout of German capital ties for 1996 R+V Versicherung DG Bank Deutsche Bahn Henkel Victoria Bosch Bosch-Siemens Degussa Lufthansa BayerischeLB BMW Bilfinger+Berger AGIV EVS Siemens AMB Bayer Schering Beiersdorf Vereinte Buderus VIAG Bayerische Vereinsbank Allianz MAN Metallgesellschaft RWE Bankgesellschaft Berlin Continental NordLB VEW Thyssen Deutz Bewag VEBA Daimler-Benz Deutsche Bank Commerzbank Holzmann Hamburger Gesellschaft Colonia VEAG Volkswagen Linde Wacker-Chemie Bayerische Hypo Hoechst Dresdner Bank Mˆ…nchener Rˆ…ck BASF Preussag RAG WestLB Gerling Sˆ…dzucker Karstadt Krupp Deutsche Babcock Ruhrgas Mannesmann Pajek 3 Figure 3: The Munsell System differentiates between nine levels of lightness and ten hues which are organized radially on each of the vertical levels. Colors with identical saturation (chroma) are equidistant to the center. It is a perceptually uniform color system. 4 Figure 4: Color schemes for the communication of qualitative, sequential and divergent distributions. (Cynthia Brewer, www.colorbrewer.org) 27 158 119 217 95 2 117 112 179 231 41 138 102 166 30 230 171 2 166 118 29 102 102 102 0.448 0.475 0.474 0.426 0.517 0.667 0.48 0.4 179 226 205 253 205 172 203 213 232 244 202 228 230 245 201 255 242 174 241 226 204 204 204 204 0.821 0.846 0.831 0.852 0.924 0.934 0.894 0.8 247 251 255 222 235 247 198 219 239 158 202 225 107 174 214 66 146 198 33 113 181 8 81 156 8 48 107 0.981 0.911 0.842 0.75 0.62 0.5 0.378 0.264 0.166 255 245 235 254 230 206 253 208 162 253 174 107 253 141 60 241 105 19 217 72 1 166 54 3 127 39 4 0.968 0.919 0.848 0.746 0.649 0.534 0.422 0.321 0.241 158 1 66 213 62 79 244 109 67 253 174 97 254 224 139 255 255 191 230 245 152 171 221 164 102 194 165 50 136 189 94 79 162 0.216 0.428 0.568 0.742 0.877 0.972 0.903 0.783 0.64 0.455 0.363 103 0 31 178 24 43 214 96 77 244 165 130 253 219 199 247 247 247 209 229 240 146 197 222 67 147 195 33 102 172 5 48 97 0.134 0.283 0.507 0.724 0.89 0.968 0.879 0.723 0.503 0.349 0.158 5 Figure 5: Using size to different centralities makes it easy to compare their distributions. (compare fig. 1) . (a) Degree Andre (b) Closeness Degree centrality Carol Andre Heather Ike Fernando Diane Jane Garth Beverly Closeness centrality Carol Fernando Diane . Heather Ike Jane Garth Beverly Ed Ed . . . . (c) Betweenness (d) Eigenvector centrality Betweenness centrality Andre Beverly Andre Fernando Heather Diane Eigenvector centrality Carol Fernando Diane Ike Garth Garth Beverly Ed . . 6 Heather Ike Jane . Figure 6: A bipartite graph: Davis Southern Women (a) Layout, degrees and sets Charlotte E4 E1 DGG: Southern Women spring embedding E3 E5Brenda Eleanor Laura E2 Evelyn Theresa Frances E7 Ruth E6 E8 Verne Sylvia E13 Nora Katherine Pearl E9 E14 Helen E12 Myrna Dorothy E10 E11 Flora . Olivia © 2009 Lothar Krempel, Max Planck Institute for the Study of Societies, Cologne . (b) A two-mode blockmodel: 2 women and 3 event blocks Charlotte E4 E1 DGG: Southern Women two−mode blockmodel E3 E5Brenda Eleanor Laura E2 Evelyn Theresa Frances E7 Ruth E6 E8 Verne Sylvia E13 Nora Katherine Pearl E9 E14 Helen E12 Myrna Dorothy E10 E11 Flora Olivia © 2009 Lothar Krempel, Max Planck Institute for the Study of Societies, Cologne . 7 . Figure 7: A block model: Southern Women (a) Pie charts as node symbols Charlotte E4 E1 DGG: Southern Women two−mode blockmodel E3 E5Brenda Eleanor Laura E2 Evelyn Theresa Frances E7 Ruth E6 E8 Verne Sylvia E13 Nora Katherine Pearl E9 E14 Helen E12 Myrna Dorothy E10 E11 Flora . Olivia © 2009 Lothar Krempel, Max Planck Institute for the Study of Societies, Cologne . (b) using convex hulls Charlotte E4 E1 DGG: Southern Women two−mode blockmodel E3 E5Brenda Eleanor Laura E2 Evelyn Theresa Frances E7 Ruth E6 E8 Verne Sylvia E13 Nora Katherine Pearl E9 E14 Helen E12 Myrna Dorothy E10 E11 Flora Olivia © 2009 Lothar Krempel, Max Planck Institute for the Study of Societies, Cologne . 8 Figure 8: Mapping external attributes Two sets of nodes Color scheme for links within and between classes Finance Industry Finance Financial volumes Finance A Industry B C . 9 Industry . Figure 9: Capital ties and attributes (a) attributes and spring layout Kapitalverflechtungen in Deutschland 1996 Ruhrgas Mannesmann Deutsche Babcock Krupp Karstadt Südzucker Gerling WestLB Holzmann Deutz Commerzbank RAG Thyssen Daimler−Benz Continental RWE VEAG Allianz Vereinte BASF Schering VIAG Münchener Rück Colonia Hoechst Bayerische Hypo Dresdner Bank Wacker−Chemie Hamburger Gesellschaft AMB AGIV Bilfinger+Berger EVS BMW Bosch−Siemens Bosch Bewag Buderus Bayer Siemens Bankgesellschaft Berlin MAN Bayerische Vereinsbank Beiersdorf NordLB VEBA Volkswagen Metallgesellschaft Preussag VEW Deutsche Bank Linde Victoria Lufthansa Degussa BayerischeLB Henkel DG Bank Deutsche Bahn Kapitalbeteiligungen R+V Versicherung Finanz — Finanz Industrie — Industrie Finanz — Industrie . (b) A radial layout of status differences (Baur, Brandes & Wagner 2008) 10 Figure 10: Visualizing the comparative static development of the German company system (1996 - 2006) . (a) 1966 (b) 2000 Kirch Ruhrgas Mannesmann BASF Schering Telekom WestLB Wacker−Chemie AGIV BASF Münchener Rück EVS DaimlerChrysler BMW BayHypoV K+S Bayer Deutsche Bank Südzucker MAN BayerischeLB Lufthansa Degussa Victoria Bewag Allianz Dresdener Bank BMW MG Technologies Bosch−Siemens Bosch R+V Vers EON Hamburger Gesellschaft AMB Bilfinger+Berger Schering RWE KarstadtQuelle BayLB Hoechst Bayerische Hypo Dresdner Bank Siemens DG Bank RAG Colonia Lufthansa Münchener Rück ThyssenKrupp Siemens Bewag VIAG Buderus Bayer Shell D Ruhrgas Bankgesellschaft Berlin VEAG Bayerische Vereinsbank Atecs Deutsche Post Preussag Continental MAN Allianz BoschSiemens NordLB VEBA RWE Vereinte BabcockBorsig Preussag VEW Deutsche Bank Daimler−Benz Volkswagen Metallgesellschaft SAP Vodafone D RAG Thyssen Beiersdorf Spar Bosch WestLB Holzmann Commerzbank Linde Salzgitter Aventis Gerling Deutz NordLB Springer Wacker Deutsche Babcock Krupp Karstadt Südzucker . VW EADS Generali Continental Henkel Kapitalbeteiligungen 1996 Finanz — Finanz Industrie — Industrie Finanz — Industrie Deutsche Bahn R+V Versicherung Linde Gerling Kapitalbeteiligungen 2000 Finanz — Finanz Industrie — Industrie Finanz — Industrie DG Bank Commerzbank . . . . (c) 2002 (d) 2006 Fraport TUI Generali Hochtief Commerzbank Continental Deutsche Telekom ThyssenKrupp Kreditanstalt für Wiederaufbau RAG RWE BMW ThyssenKrupp Exxon Deutschland RAG BSH Bosch Siemens Generali E.ON Linde MAN Ruhrgas Siemens RWE Allianz Commerzbank Shell Deutschland Siemens MG Technologies AXA Münchener Rück BASF AG Wacker KarstadtQuelle Axel Springer Bosch−Siemens BASF Deutsche Bank Deutsche Telekom Rhön−Klinikum KfW Fresenius KarstadtQuelle GEA Deutsche Post TUI Hamburger Gesellschaft UniCredit Heidelberger Druck Bosch Schering Continental Südzucker Allianz Linde K+S Beiersdorf DaimlerChrysler EADS E.ON Deutsche Lufthansa Münchener Rück Deutsche Post Aventis Deutschland ArcelorMittal Bayerische Landesbank Robert Bosch Bayerische Hypo Bayer Bilfinger Berger Bayer Deutsche Bank K+S MAN Energie Baden−W BMW Fresenius DaimlerChrysler Kapitalbeteiligungen 2002 Finanz — Finanz Industrie — Industrie Finanz — Industrie Metro Haniel Nestlé Deutschland Kapitalbeteiligungen Finanz − Finanz Industrie − Industrie Finanz − Industrie Vattenfall Volkswagen EADS Porsche © 2008 Lothar Krempel, Max Planck Institute for the Study of Societies, Cologne . . 11 Figure 11: Geomi: Emails between scientists over time 12