a2datadive: african health oer network - network visualization
DESCRIPTION
Final presentation from the A2 Data Dive. Feb. 10- 12, 2012. visit the wiki for more information: http://wiki.datawithoutborders.cc/index.php?title=Project:Current_events:A2_DDTRANSCRIPT
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African Health OER Network
Network visualization groupA2 Data Dive – Feb. 2012
Question(From the African health OER
network)
• How do Network participants interact with each other? • Who is interacting with
whom?• For what purpose(s)?
1927 Solvay Conference on Electrons and Photons
What data do we have?
How {event data}• Unique event name
• Time• Location
What data do we have?
Who {people data}• Unique contact ID
• Employer• Gender
Goal
Showing how pairs of participants are connected
by events they both attended
B
A
Multiple events attended together
= mostly TBD
Similar roles?Similar location?
Common employers?
Goal
Showing how pairs of events are connected by
common attendees
Event B
Event A
•A series of events, e.g. (Health OER Tech Call) – Is attendance
constant/increasing or dropping off?
•Annual events to evaluate active
participants = “hubs”?
Code it!
•R - joining CSV tables•txt2pajek – convert CSV to pajek format
(1/2 mode)•Gephi – visualisation•GUESS - visualisation
Events + people – 2 mode graph
events:1-modegraph
People – ‘betweenness’ graph
University of Malawistudents
University of Cape Townsupport staff (onferencecalls)
Newly-contactedUniversity alumniIn Ghana
University of Western Cape staff