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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