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Stuart Palmer (@s_palm )
Faculty of Science, Engineering & Built Env.
MIS771
Data visualisation
Professional engineer – Electronics
Always interested in data and visualisation
Now interest in big data and social media
Some ‘case studies’ of recent projects
Background
2.5
3
3.5
4
4.5
1 2 5 6 17 18
Me
an r
atin
g
SETU question
2003(n=51, 17%)
2004(n=73, 42%)
2005(n=47, 32%)
2006(n=32, 37%)
1 The teaching staff of this unit stimulated my interest in further learning.
2 The teaching staff of this unit motivated me to do my best work.
5 This unit was well taught.
6 I had a clear idea of what was expected me in this unit.
17 I would recommend this unit to other students.
18 The use of on-line technologies in this unit enhanced my learning experience.
Regression analysis with final unit mark as the dependent variable found two significant predictors:
Online discussion
Variable Coefficient Standard error Beta Significance
No. new posts (≤ 5) 3.05 0.47 0.50 p < 110-8
Weighted Average Mark 0.51 0.08 0.48 p < 310-8
Constant 28.17 5.50 - p < 310-6
Online discussion
Online discussion
Online discussion
Online discussion
Online discussion
Online discussion
http://www.pozible.com/list/pop/20/all/0/1
Research My World
Deakin and Pozible
14 of 17 projects successful
Round 5 live – 4 projects
Research crowdfunding
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um
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dge
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f ta
rge
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mb
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olla
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Combined daily pledges Cumulative pledge total (100%=$58216)
All-in pledge timeline
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s (d
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Combined daily pledges Cumulative pledge total (100%=$58216)
All-in pledge timeline
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um
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dge
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% o
f ta
rge
t)
Co
mb
ine
d d
aily
ple
dge
s (d
olla
rs)
Combined daily pledges Cumulative pledge total (100%=$58216)
All-in pledge timeline
0%
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100%
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$0
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13 C
um
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tive
ple
dge
to
tal (
% o
f ta
rge
t)
Co
mb
ine
d d
aily
ple
dge
s (d
olla
rs)
Combined daily pledges Cumulative pledge total (100%=$58216)
Collected more than 50 data items for projects:• funding requested/pledged;
• project success status;
• project interactions via the Pozible project website;
• Twitter data;
• Facebook data;
• YouTube data; and
• traditional media reporting
Research crowdfunding
1. the average pledge amount;
2. the diameter of the Twitter network, as computed by the Gephi program;
3. the average directed path length of the Twitter network, as computed by the Gephi program;
4. the average undirected path length of the Twitter network, as computed by the Gephi program;
5. the Twitter network Erdős number for project principal, as computed by the Gephi program;
6. the total page view count for the Pozible project website;
7. the total unique page view count for the Pozible project website; and
8. the number of social media shares from the Pozible project website
Research crowdfunding
1. the average pledge amount;
2. the diameter of the Twitter network, as computed by the Gephi program;
3. the average directed path length of the Twitter network, as computed by the Gephi program;
4. the average undirected path length of the Twitter network, as computed by the Gephi program;
5. the Twitter network Erdős number for project principal, as computed by the Gephi program;
6. the total page view count for the Pozible project website;
7. the total unique page view count for the Pozible project website; and
8. the number of social media shares from the Pozible project website
Research crowdfunding
• Maximise the reach (path length) of their Twitter network communications
related to the project. This is not about sending lots of Tweets per se, but
extending the sequence of Retweets and other re-broadcasts about the
project to new/unique users/eyeballs; and
• Drive eyeballs to the project Pozible project website AND encourage those
viewers to share the project website. All project-related communication
should contain a link to the Pozible project website. The project blurb on
the Pozible project website should ask readers to hot the ‘share’ button(s).
Research crowdfunding
Research crowdfunding
0
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Tota
l dai
ly p
ledg
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00s
of d
olla
rs)
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l dai
ly T
wit
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acti
vity
Tweets+Retweets+Mentions Total Pledges ($100s)
Research crowdfunding
Accounts are nodes
Tweets from account 1…
…to/about account 2…
…are edges
Direction is clockwise
Have to handle undirected tweets
Network visualisation
Account 1(node)
Account 2(node)
Direction of Tweet(clockwise edge)
Basic network layout algorithms are ‘force directed’
Nodes repel each other like electric charges
Edges pull nodes together like springs
Network iterates until equilibrium reached
Network visualisation
Comet ISON – daily total
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15/04/13 15/05/13 15/06/13 15/07/13 15/08/13 15/09/13 15/10/13 15/11/13 15/12/13
Comet ISON – daily av.
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Comet ISON – daily med.
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1 2 3 4 5 6 7 8 9 101112131415161718 19202122 23242526 272829303132333435 36373839
Med
ian
dai
ly t
wee
t co
un
t
Week number (commencing 15 Apr 2013 - 6 Jan 2014)
A
B
C
D
E
F
G
Twitter follower-following
Uni 1 Uni 2
Node CNode B
Node A
Twitter follower-following
0
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35000
0 15 30 45 60 75 90
Nu
mb
er o
f fo
llow
ers
Months since joining Twitter
Twitter follower-following
y = 375.7e0.0485x
R² = 0.515
0
5000
10000
15000
20000
25000
30000
35000
0 15 30 45 60 75 90
Nu
mb
er o
f fo
llow
ers
Months since joining Twitter
Twitter follower-following
y = 375.7e0.0485x
R² = 0.515
0
5000
10000
15000
20000
25000
30000
35000
0 15 30 45 60 75 90
Nu
mb
er o
f fo
llow
ers
Months since joining Twitter
2002 2003 2004 2005 2006 2007 2008 2009
Survey year
Ag
reem
ent
(per
cen
t)
40
50
60
70
80
SSS21 SSS24 SSS25 SSS34 SSS37 SSS
SSS34 - The library services were readily accessible
LRS12 - The library resources were appropriate for my needs
LRS12 LRS33 LRS38 LRS41 LRS47 LRS
2002 2003 2004 2005 2006 2007 2008 2009
Survey year
Ag
reem
ent
(per
cen
t)
30
40
50
60
70
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
S1'05
S2'05
S1'06
S2'06
S1'07
S2'07
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S2'08
T1'09
T2'09
T1'10
T2'10
T1'11
T2'11M
ean
rat
ing
(wh
ole
un
iver
sity
, ou
t o
f 5
)
Year (S = semester; T = trimester)
Other SETU items 'The library resources met my needs for this unit'
1
2
3
4
5
1 1.5 2 2.5 3 3.5 4 4.5 5
SETU
item
6
SETU item 1
A B
C D
F GE
2.4
3
3.6
4.2
4.8
3.86 3.96 4.06
SETU
item
6
SETU item 1
“Students will study the picture-book…”
“…books are discussed in relation to…”
“…option of writing a picture-book text…”
“…access some of the important print and on-line national and international literature…”
“…the writing of a literature review…”
High SETU 6 units
Thankyou for your time
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