improved governance through the application of advanced research techniques data mining and...
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Improved Governance Throughthe Application of Advanced
Research Techniques:Data Mining/Predictive Analytics
Nick B. Fontanilla, Ph.D.
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UNDECIDED VOTERS ACROSS TIME
5
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
40.5%
34.3%
27.0%
Oct-09 Dec-09 Feb-10
10%?
http://campaigns%20micro-target%20political%20messages%20to%20voters%20-%207%2014%2008%20-%20san%20francisco%20news%20-%20abc7news.com_%28converted%29.avi/http://campaigns%20micro-target%20political%20messages%20to%20voters%20-%207%2014%2008%20-%20san%20francisco%20news%20-%20abc7news.com_%28converted%29.avi/ -
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Evolution of Research
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Web 2.0
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User Participation
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Role of Social Media in Research
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Researcher of the Future
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Multi-Modal
A survey that is administered in multiple
research modes, for example, web-based and
phone-based, web-based and paper-based,
etc.
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Benefits of Multi-Modal
A low cooperation or response rate does more
damage in rendering a surveys results
questionable than a small sample because
there may be no valid way scientifically ofinferring the characteristics of the population
represented by the non-respondents.
American Association for Public Opinion Research
Best Practices for Survey and Public Opinion Research
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Why Multi-Mode
Increased response rates, reduced non-response error
Multi-phase approaches have provento be =effective
E.g. media studies with large, burdensome booklets.
Improved sample coverage
Hard to reach demographics Cell phone only households
Respondent centric
Offer participants choices in how and when to complete
E.g., customer research, where respondents are highly valued.
Research spanning intercontinental boundaries Mode dependent on local infrastruture and customs
Reducing cost
Balance increased admin vs. reduced interviewing cost
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Traditional
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Web 2.0
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Web 2.0
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Business Challenge for Institutions
Source: Educause Core Data Service, Fiscal Year 2005 Summary Report, Brian L. Hawkins and Julia A. Rudy, November 2006.
The need to provide better campus decision
support systems with an integrated view of datais critically important to campuses in order to
manage the complexities of our institutions in aturbulent market environment.
- Educause
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Predictive Analytics
Predictive analysis helps connect data toeffective action by drawing reliable
conclusions about current conditions and
future events.
Gareth Herschel, Research Director, Gartner Group
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What is Data Mining?
Data mining is the process of discovering
meaningful new correlation, patterns and
trends by sifting through large amounts of
data stored in repositories, and by using
pattern recognition technologies, as well as
statistical and mathematical techniques.
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What is Data Mining?
"Data mining offers firms in many industries the
ability to discover hidden patterns in their data
patterns that can help them understand
customer behavior and market trends.
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Types of Data Mining
Supervised Data Mining
Known outcome
Example: Graduation Database
Students who completed their studies vs. those whodropped out
Unsupervised Data Mining
Particular groupings or patterns are unknown Example: Student Course Database
Little is known about which courses are usually taken as agroup
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Data Mining Applications in Higher Education
By Jing Luan, Ph.D.Vice Chancellor, Educational Services and PlanningSan Mateo County Community College DistrictAnd Founder, Knowledge Discovery Laboratory
Formerly
Chief Planning and Research Officer, Cabrillo College
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Data Mining Applications in Academe
Who are likely to pursuetheir application in ouruniversity?
Which subjects arelikely taken togetherby our students?
Which subject typesare associated withcertain student types?
What typology is ourstudents classifiedinto?
Who are likely to shiftdegree courses?
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Data Mining Applications in Academe
Who are likely not tograduate on time?
Who are likely to transferto another university?
How would weallocate efficientlytime, manpower, andbudget?
Who among our alumniare likely to offerpledges?
How would we maximize the informationfrom comments / opinions provided byour students in their evaluation?
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Case Study 1:Creating meaningful learning outcome typologies
Challenge: What do institutions know about their students?
A typical suburban community college with anenrollment of 15,000 traditionally identifies its
students as: Transfer Oriented ,
Vocational Education Directed, or
Basic Skill Upgraders
Classifications are based on students initialdeclarations of educational goals at enrollment.
To illustrate further the differences between eachstudent type
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Case Study 1:Creating meaningful learning outcome typologies
Solution: Two-Step and K-Means clustering algorithms Using the general classification, boundaries among clusters
were unclear and dispersed.
Possibly, students initial declaration of goals did not dictate
their academic behavior. Considering educational outcomes and length of study, Two
Step produced the ff clusters, which K-Means validated: Transfers
Vocational Students
Basic Skill Students Students with Mixed Outcomes
Dropouts
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Case Study 1:Creating meaningful learning outcome typologies
Results:
Improved understanding of students types
Older students tend to take their time.
Younger students with more privileged socioeconomicbackgrounds often took high credit courses and
graduated quickly.
Helped educators and administrators better meetthe needs of varied student groups
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Case Study 2:Academic Planning and Interventions Transfer Prediction
Challenge: More than half of community college students identify
transferring to four-year universities as their goal.
To accurately predict academic outcomes in order to
facilitate timely academic intervention (e.g. studenttransfer)
Solution:
Neural Network and Rule Induction algorithms usingSupervised Data Mining
Predictors: Demogrpahics, Courses Taken, UnitsAccumulated, Financial Aid
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Case Study 2:Academic Planning and Interventions Transfer Prediction
Results:
Enabled the college to accurately identify good
transfer candidates.
Model Accuracy: Neural Net : 72%
Rule Induction (C5.0 and C&RT) : 80%
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Case Study 3:Predicting Alumni Pledges
Challenge:
For a typical urban university of 25,000, the
alumni population can be as ten times as its
enrollment. Universities send mailings to alumni on a regular
basis, even when alumni fail to respond.
Mailing cost > $100K a year. To focus on the alumni most likely to make
pledges
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National Marketing Conference, June 24 and 25, 2010Strategic Marketing Conference for Students, July 20, 2010Agora Youth AwardsAgora ConferenceAgora Awards
Certified Professional Marketers in Asia
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Thank you