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36
small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead
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Page 1: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

“Never doubt that a small group of thoughtful,

committed citizens can change the world. Indeed, it is the only thing that ever

has.”--Margaret Mead

Page 2: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Thank You R Hackers of NYC

Page 3: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Harvesting & Analyzing Interaction Data in R:

The Case of MyLyn

Sean P. Goggins, PhDDrexel University

[email protected]

MyLyn Research Collaborators:

Peppo Valetto, PhD (PI) & Kelly Blincoe

mailto:[email protected]
Page 4: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

I Study Small GroupsI use electronic trace data, interviews, field notes, electronic content & surveys for raw data

Page 5: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Coolest Open* Data to Me Group’s Emerging & Evolving

Group Formation & Development

The long tail of social computing, which I describe as everything *except* Wikipedia & Facebook

Groups constructing knowledge, creating information and forming identity.

*Available, but not always easy to get in an analyzable form

Page 6: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Points Harvesting Small, Open Data [MyLyn]

Analyzing Temporal Changes in the MyLyn Network

Work

Talk

Libraries Used & Source Code StatNet

iGraph

TNET

R Sourcecode and Data will be available for download at http://www.groupinformatics.org . If you use this data or scripts please cite:

Goggins, S. P., Laffey, J., Amelung, C., and Gallagher, M. 2010. Social Intelligence In Completely Online Groups. IEEE International Conference on Social Computing. 500-507. DOI=10.1109/SocialCom.2010.79.

Blincoe, K., Valetto, G., and Goggins, S. 2011. Leveraging Task Contexts for Managing Developers’ Coordination. Under Review.

http://www.groupinformatics.org/
Page 7: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Data for RAn Example From the MyLyn Project

Page 8: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

More About MyLyn: http://tasktop.com/blog/http://www.eclipse.org/mylyn/

Bug Database

HTML Parser

MySQL Database

MyLyn ContextUploads

Work

Talk

.zip file

Talk

Talk

http://tasktop.com/blog/
http://www.eclipse.org/mylyn/
http://www.eclipse.org/mylyn/
Page 9: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Talk Cues

TalkWork

Page 10: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Coordination Requirements & Dependencies

MyLyn Data Has 2 Advantages for Analysis compared to source Control systems analysis:1. You see files *viewed*

together2. Discourse on a Bug is

directly connected to the files read and edited1. Closer connection

between analysis of work & talk.

Talk

Work

Page 11: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Harvesting Data for RAn Example From the MyLyn Project

Page 12: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

MyLyn Interaction Datamart

Interaction Warehouse

MyLyn

CANS

ETC

Talk

Work

TalkWork

Page 13: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Analyzing Open Data with R

An Example From the MyLyn Project

Page 14: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Analysis Tools Eight Mylyn Releases (Temporal Analysis)

R Packages Used TNET

iGraph

Statnet

Page 15: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Weighted Network: TNET

Page 16: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

The Dense Graph (Work) Developers create a dense graph. Not a

complete graph, but dense.

Work

Page 17: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

A Sparser Graph (Talk) Commenter's create a sparse graph

Talk

Page 18: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release One (2.0) Analysis

CodeDiscussion

WorkTalk

iGraph

Release 1

Page 19: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

STATNET for Discussion StatNet

Red = Bug CommenterBlue = Bug Opener

StatNET

Talk

Release 1

Page 20: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release OneWork & Talk

Page 21: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release 1 (2.0) iGraph & Statnet

Talk

Clusters

In Degree & Out Degree

Red = Bug CommenterBlue = Bug Opener

iGraph

StatNET

Release 1

Page 22: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Google Summer Coder

Release One (2.0): Filtered

Code Discussion

304, 373, 399 & 143 formThe Strongest ConnectionsIn both networks

Red = Bug CommenterBlue = Bug Opener

Talk

WorkRelease 1

Page 23: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release One (2.0): Filtered

Code Discussion

304, 373, 399 & 143 formThe Strongest ConnectionsIn both networks

Red = Bug CommenterBlue = Bug Opener

Google Summer Coder

TalkWork

457, 391 & 159 – Comment & Open

Release 1

Page 24: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Compare Over TimeFirst & Last Release

Page 25: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release 1 (2.0) Compared to Release 8 (3.3)

Talk

304, 399, 143, 159, 173, 373

399, 118, 304, 159, 391, 416StatNET & ordinary plotting

Release 1

Release 8

Page 26: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release 1 (2.0) Compared to Release 8 (3.3)

Work

Two disconnectedGraphs in release 8

304, 373, 399 & 143

Release 1

Release 8

143 & 304 disengagedOr missing entirely

iGraph

Page 27: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release EightWork & Talk

Page 28: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release 8 (3.3): Filtered

Code

Discussion

Red = Bug CommenterBlue = Bug Opener

Talk

Work

Nobody is“Just Blue”

Release 8

Page 29: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Release 8 (3.3): Filtered

Code

Discussion

Red = Bug CommenterBlue = Bug Opener

Talk

Work

Notice 416 in Talk & Second Coder Graph

Release 8

Page 30: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Talk

Clusters

In Degree & Out Degree

Red = Bug CommenterBlue = Bug Opener

iGraph

StatNET

Release 8 (3.3) iGraph & Statnet

399, 118 & 159 are significant, But play with different clusters of Other people.

BlueCluste

r

Release 8

Page 31: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Releases One EightHigh Level Views Over Time

Page 32: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Discussion, Releases 1 – 8

Where there is no color,There are multiple, incompleteGraphs.

Page 33: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Code, Releases 1 – 8

One Possible explanation: A few centralPeople who slowly butObservably begin to engageOther contributors inAn open source softwareDevelopment project.

Structure evolvesKey Groups Evolve

iGraph

Page 34: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Next Step: The StoryBut that’s the research part, not the cool “R Stuff” Part

Page 35: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

The People

399304

159

143

373

Our next step is piecing together a narrative about the groups that emerged on this project, and describing each of the individuals. This is all open data. When we finish this part, we will publish one or more papers. For now, Let’s look at the cool “R Stuff”

Page 36: “Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has.” --Margaret Mead.

Interaction Traces from Small Groups: The Case

of MyLyn

Sean P. Goggins, PhDDrexel University

[email protected]

Collaborators:

Peppo Valetto, PhD & Kelly Blincoe

Questions? In the after session.

mailto:[email protected]

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