A2DataDive: African Health OER Network - Network Visualization

African Health OER Network Network visualization group A2 Data Dive – Feb. 2012all content in this presentation is licensed under a CreativeCommons Attribution CC:BY license.

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 ofparticipants are connected by events they both attended B A

Multiple events attended together = mostly TBD Similar roles? Similar location? Common employers?

GoalShowing 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 =

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

University of Malawi University of Western Cape students staffUniversity of Cape Townsupport staff (onferencecalls) Newly-contacted University alumni In Ghana People – „betweenness‟ graph

A2DataDive: African Health OER Network - Network Visualization

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A2DataDive: African Health OER Network - Network Visualization Presentation Transcript