Network Text Analysis of R Mailing ListsUseR! Rennes 2009
Angela Bohn, Ingo Feinerer, Kurt Hornik, Patrick Mair,Stefan Theußl
7/10/2009
A mailing list social network
R-help mailing list:
Jan 2008 to May 2009
Number of authors: 5326
Number of mails: 41457
Avg. degree: 4.4
Diameter: 7
Legend:
Author A Author Banswered
Combine SNA and TM
I Goal: Combine social network analysis (SNA) and text mining(TM) to find out more
I Data: Mailing lists R-help and R-devel
I Packages: sna and tmI Results:
I “Interest maps” of R usersI Detection of bottlenecks in communication
Data preparation for social network analysis
I Create a social network from e-mail headers (tm):From: dwinsemius at comcast.net (David Winsemius)
Date: Thu, 30 Apr 2009 18:49:55 -0400
Subject: [R] Extracting Element from S4 objects
In-Reply-To: <[email protected]>
Message-ID: <[email protected]>
Author A: ''Hallo, I have a question.''
Author B: ''This is the answer.''
Author C: ''This, too.''
Author D: ''And this.'' Author D: ''And this.''
Author A: ''Thank you.''
Author B
Author C Author D
Author A
I Find aliases:knoblauch at lyon.inserm.fr (knoblauch)
knoblauch at lyon.inserm.fr (Ken Knoblauch)
ken.knoblauch at inserm.fr (Kenneth Knoblauch)
ken.knoblauch at inserm.fr (Ken Knoblauch)
Levensthein Distance:agrep(base)
Data preparation for text miningE-mail subjects:[R] passing args from the command line
[R] navigating ggplot viewports
[R] how to go to a line in R
...
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Patrick Hausmann
Chris Barker
Brian Desany
Joachim Heidemeier Dr
PALMIER Patrick CETE NP INFRA TRF
Seth W Bigelow
Javier PB
lost river
Mark Heckmann ravi
Word Networks
“ggplot”
hadley wickham
Paul Murrell
Domenico Vistocco
P E David ThompsonThierry ONKELINX
ba8
John Kane
Rainer M Krug
Felipe Carrillo
Uwe Ligges
Martin Rittner
Chris Friedl
Tribo Laboy
Pedro de Barros
Sebastian Weber
Ptit Bleu
guillaume chaumet
Brian Ripley
Xavier Chardon
mihalicza peter
Ronggui Huang
Michael Friendly
Carsten Jaeger
Michael Frumin
Ben Bolker
Aric Gregson
Megh Dal
david f
Sorn Norng
baptiste auguie
stephen sefick
Eric
Gabor Grothendieck
Tylere Couture
galneweinhaw
David Hajage
Dave Murray Rust
Juliet Hannah
steve
Josep Maria Campanera Alsina
Wayne F
Harsh
Jason Rupert
Tom Cohen
Avram Aelony
Ian Fiske
Christopher David Desjardins
Ista Zahn
Dieter Menne
Bernd Weiss
haettulegur
Marianne Promberger
Andreas Christoffersen
MUHC Research
Sunil Suchindran
Paul Emberson
Mike Lawrence
Zeljko Vrba
Ivan AlvesTena Sakai
Ian Fellows
Felix Andrews
jiho
Matias Gallego Liberman
simeon duckworth
Bernd Engelmann
Bernd Ebersberger
Jason Law
Ingo Michaelis
Mikhail Spivakov
Thorsten Vogel
Williams Scott
Edna Bell
Henning Wildhagen
Tom Bonen
Albin Blaschka
btcruiser
Adam Marsh
Elena Schulz
Spinu Vitalie
Jacob Etches
Erich Studerus
levyofi
Etches Jacob
stephen bond
Word Networks
“legend”
Henrique Dallazuanna
Tom Snowden
Marc Schwartz
tom soyer
John Kane
Peter Dalgaard Lauri Nikkinen
Stanley Ng
Earl Glynn
Duncan Murdoch
Deepayan Sarkar
hadley wickham
Gabor Grothendieck
Jim Lemon
Thomas Steiner
Thierry ONKELINX
Pedro de Barros
Gavin Simpson
Greg Snow
Georg Otto
Hans Joerg Bibiko
Uwe Ligges
Yasir Kaheil
Paul Johnson
Carsten Jaeger
Markus Gesmann
Tomas Lanczos
Matthew Pietrzykowski
Alexandre Aguiar
baptiste auguie
stephen sefick
Julia Liu
Bernardo Rangel Tura
Joachim Heidemeier DrFelix Andrews
Christophe Genolini
Mathieu Ribatet
Simone Giannerini
Martin MaechlerBrian Ripley
Dimitri Liakhovitski
David Winsemius
Julien Beguin
Dieter Menne
Avram Aelony
Aparna Vemuri
Rodrigo Aluizio Jorge Velez
Samuel B Civ USAF AFMC AFRL RVBXI Cable
Sherri Heck
jimdare
Rebecca Fisher
Michael Head
Christophe Dutang
Olivier ETERRADOSSI
Mathew Fox
Simon Pickettanisha sinnarkar
Steve Murray
Sarah Goslee
Peter Flom
Mike Lawrence
Felipe Carrillo
Zeljko Vrba
Tom Boonen
steve
rhelp 20 trevva
Tom Cohen
Bernd Engelmann
ming kung
Neuer Arkadasch
kate
yvo
Georg Ehret
Levi Waldron
Agus Susanto
Mark Farnell
Anne Marie Ternes
ba8
Tom Bonen
Patrick Hausmann
Nelson B Villoria
yk
Lavan
Sarah Vandome
mbr
Michael Kubovy
PALMIER Patrick CETE NP INFRA TRF
Paul Emberson
valeria pedrina
Erich Studerus
Giovanni Petris
John
Luis Ridao Cruz
Etches Jacob
Wade Wall
Word Networks
“boxplot”
Brian Ripley
Henrique Dallazuanna
Petr Pikal
Jim Lemon
Chuck Cleland
David Hewitt
Gabor Grothendieck
Marc Schwartz
John Kane
Sharon Kuhlmann B
HBaize
Thierry ONKELINX
Chris Friedl
hadley wickham
Alex Reynolds
Felipe Carrillo
Matthias Kohl
Peter Alspach
Sherri Heck
Thomas Adams
Stephan Kolassa
Marlin Keith Cox
Sebastian Luque
Michael Kubovy
Bill Venables
Phil taylor
mihalicza peter
Birgit Lemcke
S Ellison
jim holtman
stephen sefick
Megan J Bellamy
Erik IversonLeandro Marino
Bernardo Rangel Tura
Uwe Ligges
Frank E Harrell
Adaikalavan Ramasamy
Jorge Velez
cathelf
Greg Snow
Yihui Xie
Keith Ponting
Coey Minear
Antje
Ben Bolker
Peter Dalgaard
goran brostrom
Deepayan Sarkar
Kenneth Roy Cabrera Torres
steve
Phillip Porter
Ken Knoblauch
Petter Hedberg
Dimitri Liakhovitski
David Winsemius
Annette Heisswolf
Pooja Jain
Coen van HasseltAndreas Christoffersen
Gabriel Rodriguez
Mike Lawrence
Dieter Menne
Zeljko Vrba
Richard Yanicky
Corinna Schmitt
rich
Karin Lagesen
Marc Bernard
Cornelis de Gier
Marcin Kozak
Tom Cohen
Giulio Di Giovanni
Marek Bartkuhn
Georg Ehret
Tubin
Paul Adams
Sebastian Merz
mm745
Rajasekaramya
Chad Junkermeier
Daniela Garavaglia
Murlidharan T Nair
Aldi Kraja
James Lenihan
Amit Patel
Samor GandhiKenneth Takagi
Centrality Measures
Notion lattice ggplot legend boxplot
Thierry ONKELINX
Jim Lemon
Deepayan Sarkar
Weidong GuFelix Andrews
Sundar Dorai RajBert Gunter
John Kane
Stefan Grosse
Dieter Menne
Saptarshi Guha
Brian Ripleyhadley wickham
Alex Brown
Paul Hiemstra
Thomas Zumbrunn
Henrique DallazuannaRon Bonner
Tom Cohen
Levi Waldron
Patrick Connolly
Michael Kubovy
K Elo
Qian R
Aaron Arvey
Paulo Cardoso
Charilaos Skiadas
RINNER Heinrich
Ola Caster
Andrewjohnclose
Gabor Grothendieck
Douglas Bates
Mark Leeds
Steven McKinney
Karl Ove Hufthammer
Malte Brockmann
John Smith
Ben Bolker
Troels Ring
Gavin Simpson
Michael HopkinsMark DiffordChuck Cleland
baptiste auguie
Judith Flores
Daniel Ott
Surai
stephen sefick
Tom Bonen
John Fox
Richard Cotton
Alex Karner
Ferry
Paul Boutros
Dhruv Sharma
Gary Nelson
Paul Murrell
Marianne Promberger
Rolf Turner
Scott R Waichler
steve
Robbie Heremans
John Poulsen
Greg Snow
Ryan Hafen
Jon LoehrkeDimitri Liakhovitski
remko duursma
Christos Argyropoulos
Andrew Beckerman
Leandro Marino
Iago Mosqueira
Juliet Hannah
Mike Lawrence
Mark Wilkinson
Dan Kortschak
Dimitris Rizopoulos
Naomi Robbins
jimdare
Steve FriedmanColtrey Mather
Thomas Roth
Andrew McFadden
Ranjan Maitra
Gustaf Rydevik
Rebecca Fisher
Daniel Kornhauser
Pieter van der Spek
Tyler Smith
Sebastien Bihorel
rhelp 20 trevva
Einar Arnason
William Deese
Don McKenzie
Samuel B Civ USAF AFMC AFRL RVBXI Cable
David Winsemius
Alex ReynoldsBenjamin Tyner
francesc montane
Bram Kuijper
Wolfram Fischer
Jim Price
audrey
Mark Coletti
Katell HAMON
Richard and Barbara Males
Henning Wildhagen
Kyle Roberts
G Draisma
GOUACHE David
David Chosid
Andreas Krause
Patrick Hausmann
Chris Barker
Brian Desany
Joachim Heidemeier Dr
PALMIER Patrick CETE NP INFRA TRF
Seth W Bigelow
Javier PB
lost river
Mark Heckmann ravi
hadley wickham
Paul Murrell
Domenico Vistocco
P E David ThompsonThierry ONKELINX
ba8
John Kane
Rainer M Krug
Felipe Carrillo
Uwe Ligges
Martin Rittner
Chris Friedl
Tribo Laboy
Pedro de Barros
Sebastian Weber
Ptit Bleu
guillaume chaumet
Brian Ripley
Xavier Chardon
mihalicza peter
Ronggui Huang
Michael Friendly
Carsten Jaeger
Michael Frumin
Ben Bolker
Aric Gregson
Megh Dal
david f
Sorn Norng
baptiste auguie
stephen sefick
Eric
Gabor Grothendieck
Tylere Couture
galneweinhaw
David Hajage
Dave Murray Rust
Juliet Hannah
steve
Josep Maria Campanera Alsina
Wayne F
Harsh
Jason Rupert
Tom Cohen
Avram Aelony
Ian Fiske
Christopher David Desjardins
Ista Zahn
Dieter Menne
Bernd Weiss
haettulegur
Marianne Promberger
Andreas Christoffersen
MUHC Research
Sunil Suchindran
Paul Emberson
Mike Lawrence
Zeljko Vrba
Ivan AlvesTena Sakai
Ian Fellows
Felix Andrews
jiho
Matias Gallego Liberman
simeon duckworth
Bernd Engelmann
Bernd Ebersberger
Jason Law
Ingo Michaelis
Mikhail Spivakov
Thorsten Vogel
Williams Scott
Edna Bell
Henning Wildhagen
Tom Bonen
Albin Blaschka
btcruiser
Adam Marsh
Elena Schulz
Spinu Vitalie
Jacob Etches
Erich Studerus
levyofi
Etches Jacob
stephen bond
Henrique Dallazuanna
Tom Snowden
Marc Schwartz
tom soyer
John Kane
Peter Dalgaard Lauri Nikkinen
Stanley Ng
Earl Glynn
Duncan Murdoch
Deepayan Sarkar
hadley wickham
Gabor Grothendieck
Jim Lemon
Thomas Steiner
Thierry ONKELINX
Pedro de Barros
Gavin Simpson
Greg Snow
Georg Otto
Hans Joerg Bibiko
Uwe Ligges
Yasir Kaheil
Paul Johnson
Carsten Jaeger
Markus Gesmann
Tomas Lanczos
Matthew Pietrzykowski
Alexandre Aguiar
baptiste auguie
stephen sefick
Julia Liu
Bernardo Rangel Tura
Joachim Heidemeier DrFelix Andrews
Christophe Genolini
Mathieu Ribatet
Simone Giannerini
Martin MaechlerBrian Ripley
Dimitri Liakhovitski
David Winsemius
Julien Beguin
Dieter Menne
Avram Aelony
Aparna Vemuri
Rodrigo Aluizio Jorge Velez
Samuel B Civ USAF AFMC AFRL RVBXI Cable
Sherri Heck
jimdare
Rebecca Fisher
Michael Head
Christophe Dutang
Olivier ETERRADOSSI
Mathew Fox
Simon Pickettanisha sinnarkar
Steve Murray
Sarah Goslee
Peter Flom
Mike Lawrence
Felipe Carrillo
Zeljko Vrba
Tom Boonen
steve
rhelp 20 trevva
Tom Cohen
Bernd Engelmann
ming kung
Neuer Arkadasch
kate
yvo
Georg Ehret
Levi Waldron
Agus Susanto
Mark Farnell
Anne Marie Ternes
ba8
Tom Bonen
Patrick Hausmann
Nelson B Villoria
yk
Lavan
Sarah Vandome
mbr
Michael Kubovy
PALMIER Patrick CETE NP INFRA TRF
Paul Emberson
valeria pedrina
Erich Studerus
Giovanni Petris
John
Luis Ridao Cruz
Etches Jacob
Wade Wall
Brian Ripley
Henrique Dallazuanna
Petr Pikal
Jim Lemon
Chuck Cleland
David Hewitt
Gabor Grothendieck
Marc Schwartz
John Kane
Sharon Kuhlmann B
HBaize
Thierry ONKELINX
Chris Friedl
hadley wickham
Alex Reynolds
Felipe Carrillo
Matthias Kohl
Peter Alspach
Sherri Heck
Thomas Adams
Stephan Kolassa
Marlin Keith Cox
Sebastian Luque
Michael Kubovy
Bill Venables
Phil taylor
mihalicza peter
Birgit Lemcke
S Ellison
jim holtman
stephen sefick
Megan J Bellamy
Erik IversonLeandro Marino
Bernardo Rangel Tura
Uwe Ligges
Frank E Harrell
Adaikalavan Ramasamy
Jorge Velez
cathelf
Greg Snow
Yihui Xie
Keith Ponting
Coey Minear
Antje
Ben Bolker
Peter Dalgaard
goran brostrom
Deepayan Sarkar
Kenneth Roy Cabrera Torres
steve
Phillip Porter
Ken Knoblauch
Petter Hedberg
Dimitri Liakhovitski
David Winsemius
Annette Heisswolf
Pooja Jain
Coen van HasseltAndreas Christoffersen
Gabriel Rodriguez
Mike Lawrence
Dieter Menne
Zeljko Vrba
Richard Yanicky
Corinna Schmitt
rich
Karin Lagesen
Marc Bernard
Cornelis de Gier
Marcin Kozak
Tom Cohen
Giulio Di Giovanni
Marek Bartkuhn
Georg Ehret
Tubin
Paul Adams
Sebastian Merz
mm745
Rajasekaramya
Chad Junkermeier
Daniela Garavaglia
Murlidharan T Nair
Aldi Kraja
James Lenihan
Amit Patel
Samor GandhiKenneth Takagi
Mostcentralpersons
Deepayan Sarkar,Sundar Dorai Raj,baptiste auguie
hadley wickham,Thierry ONKELINX
Duncan Murdoch,hadley wickham,Greg Snow
Gabor Grothendieck,hadley wickham
lattice
ggplot
legend
boxplot
Deepayan Sarkar
Sundar Dorai Rajbaptiste auguie
hadley wickhamThierry ONKELINX
Duncan Murdoch
Greg Snow
Gabor Grothendieck
Results: Interest maps
question
data
help
function plotusing
sub
package
matrix
error
frame
values
vectorlist
file
regression
test
model
multiple
issue
time
variable
loop
tablelattice
value
plotting
plots
axis
read
column
output
object
code
text
variables
analysis
columns
rows
string
windows
packages
glm
linefunctions
anova
simple
bug
dataframe
row
files
creating
distribution
random
names
ggplot2
readingseries
date
linear
set
graph
factor
lines
size
name
logistic
results
histogram
labels
character
xyplot
subsetcreate
running
legend
installing
format
graphics
message
install
lmer
numeric
color
correlation
models
missing
objects
summary
array
convert
vectors
frames
adding
zoo
mean
lme
nls
errors
write
mixed
memory
standard
argument
image
command
version
add
apply
sample
based
elements
normal
factors
grid
library
barplot
matrices
matching
panel
sum
graphs
programming
boxplot
predict
change
getting
method density
csv
mac
fit
savecalculate
type
extractclass
curve
system
arguments
expression
rglscript
loading
equivalent
log
title
dates
request
source
device
buildinglevels
formula
tables
loops
generate
means
binomial
length
index
specific
draw
strings
paste
run
optim
warning
reshape
multi
select
call
unique
word
axes
characters
bar
bit
load
replace
sets
aggregate
bars
label
tapply
vec
window
ggplot
step
colors
regular
setting
checkgraphic
editor
max
lapply
count
chart
level
box
equation
empty
search
sequence
symbols
cross
split
map
limit
manipulation
integer
lists
result
gui
cmd
symbolkey
cor
average
expressions
position
processing
efficient
element
par
build
behaviour
program
range
sig
statement
import
Gabor Grothendieck
Henrique Dallazuanna
jim holtman
Duncan Murdoch
Peter Dalgaard
Wacek Kusnierczyk
Brian Ripley
Greg Snow
hadley wickham
Deepayan Sarkar
Ted Harding
Jorge Velez
Rolf Turner
John Kane
John Fox
Frank E Harrell
Jim Lemon
David Winsemius
Erik Iverson
Uwe Ligges
Daniel Nordlund
Bert Gunter
Douglas Bates
Ben Bolker
Henrik Bengtsson
tom soyer
Charilaos Skiadas
Andrew Robinson
Philippe Grosjean
Wensui Liu
esmail bonakdarian
Kingsford Jones
Sherri Heck
Eik Vettorazzi
Ravi Varadhan
Muhammad Azam
Results: Communication bottlenecks
Gabor GrothendieckHenrique Dallazuanna
jim holtman
Duncan Murdoch
Peter Dalgaard
Wacek Kusnierczyk
Brian Ripley
Greg Snow
hadley wickham
Deepayan Sarkar
Ted Harding
Jorge Velez
Rolf Turner
John Kane
John Fox
Frank E HarrellJim Lemon
David Winsemius
Erik Iverson
Uwe Ligges
Daniel Nordlund
Bert Gunter
Douglas Bates
Ben Bolker
Henrik Bengtsson
tom soyer
Charilaos Skiadas
Andrew Robinson
Philippe Grosjean
Wensui Liu
esmail bonakdarian
Kingsford Jones
Sherri Heck
Eik Vettorazzi
Ravi Varadhan
Muhammad Azam
Results: Communication bottlenecks
Good.
B A
Can be improved.
C
D
Thank you!
Packages:
sna: Carter T. Butts (2008). Social Network Analysis withsna. Journal of Statistical Software 24/6.
tm: I. Feinerer, K. Hornik, and D. Meyer (2008). Text MiningInfrastructure in R. Journal of Statistical Software 25/5.
References:
C. Bird, A. Gourley, P. Devanbu, M. Gertz, and A.Swaminathan. Mining email social networks. In Proceedingsof the 2006 international workshop on Mining softwarerepositories. ACM, New York, 2006.
Contact:
[email protected], www.angela-bohn.de