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Analytics in the Field: Using Data
Mining to Improve Volunteer Retention




           Abram Guerra, Eric Whitney
           Manoj Prakash, Joel Samen
               December 5, 2011
What is Boston Cares?
Boston Cares mobilizes more than 25,000
volunteers annually in support of Greater Boston
schools and non-profit agencies. We offer a wide
array of programs and opportunities that make
it easy for you to volunteer no matter how busy
your schedule is.1


                                            Organization
   Volunteer
                                            with Project



                    Boston Cares

            1www.bostoncares.org/about_us
Boston Cares Has a Wealth of Data


 1,796 Organizations
 3,597 Opportunities
 20,071 Occurrences
                          Database
 43,531 Volunteers
Connecting the Dots
Missing Data Values
Calculated Variable: Distance



 Volunteer Home Addresses
 Volunteering Locations
Our Target Variable


Orientation   Volunteer Instance     Volunteer Instance



                              Time


                  Lifespan
Moving to SAS
Interesting Initial Findings
Setting Up in SAS
The Story the Data Tells Us
Parameter                  Coefficient Explanation
Avg_Group_Size             -0.9        Smaller-group volunteer opportunities help
                                       increase the lifespan of an active volunteer.
Education Level            139.4       Volunteers with graduate degrees volunteer more
 Graduate degree                      than 4 months longer.
Education Level            -41.3       Volunteers who have only partially completed their
 Some college                         education are active volunteers for less time.
Education Level            -44.6
 Some high school
Environment_ZeroesAdded 26.1           Each time a volunteer participates in an
                                       environmentally-oriented opportunity, they are
                                       likely to volunteer for another month.
Profile Name  Volunteer   -128.1      Volunteer Leaders (as opposed to regular
                                       Volunteers) are active more than 4 months longer.
Reliability                -74.90      The most reliable volunteers are active for shorter
                                       periods of time.
So What?
      Finding from Data                        Managerial Recommendation
Volunteers who participate in large-            Improve marketing efforts at large-scale
scale, one-time events may have no ties         events to raise brand awareness of Boston
to Boston Cares                                 Cares

Volunteers with graduate degrees are            Work with graduate schools to get students
more likely to have longer lifespans            involved with Boston Cares, create alumni
                                                events that focus on service

Volunteers who participate in an                Increase availability of environment-based
environment-based project are likely to         community service partnerships, finding
have longer lifespans                           more of these kinds of events for
                                                participants
Lessons Learned
   Data is Often
Poorly Documented
                       Scrubbing Data is a
                          Full-Time Job


    Be Aware of Assumptions

                          SAS is a Tool

            There is Always More
               Data You Want
Boston Cares Data Analytics Presentation

More Related Content

Boston Cares Data Analytics Presentation

  • 1. Analytics in the Field: Using Data Mining to Improve Volunteer Retention Abram Guerra, Eric Whitney Manoj Prakash, Joel Samen December 5, 2011
  • 2. What is Boston Cares? Boston Cares mobilizes more than 25,000 volunteers annually in support of Greater Boston schools and non-profit agencies. We offer a wide array of programs and opportunities that make it easy for you to volunteer no matter how busy your schedule is.1 Organization Volunteer with Project Boston Cares 1www.bostoncares.org/about_us
  • 3. Boston Cares Has a Wealth of Data 1,796 Organizations 3,597 Opportunities 20,071 Occurrences Database 43,531 Volunteers
  • 6. Calculated Variable: Distance Volunteer Home Addresses Volunteering Locations
  • 7. Our Target Variable Orientation Volunteer Instance Volunteer Instance Time Lifespan
  • 11. The Story the Data Tells Us Parameter Coefficient Explanation Avg_Group_Size -0.9 Smaller-group volunteer opportunities help increase the lifespan of an active volunteer. Education Level 139.4 Volunteers with graduate degrees volunteer more Graduate degree than 4 months longer. Education Level -41.3 Volunteers who have only partially completed their Some college education are active volunteers for less time. Education Level -44.6 Some high school Environment_ZeroesAdded 26.1 Each time a volunteer participates in an environmentally-oriented opportunity, they are likely to volunteer for another month. Profile Name Volunteer -128.1 Volunteer Leaders (as opposed to regular Volunteers) are active more than 4 months longer. Reliability -74.90 The most reliable volunteers are active for shorter periods of time.
  • 12. So What? Finding from Data Managerial Recommendation Volunteers who participate in large- Improve marketing efforts at large-scale scale, one-time events may have no ties events to raise brand awareness of Boston to Boston Cares Cares Volunteers with graduate degrees are Work with graduate schools to get students more likely to have longer lifespans involved with Boston Cares, create alumni events that focus on service Volunteers who participate in an Increase availability of environment-based environment-based project are likely to community service partnerships, finding have longer lifespans more of these kinds of events for participants
  • 13. Lessons Learned Data is Often Poorly Documented Scrubbing Data is a Full-Time Job Be Aware of Assumptions SAS is a Tool There is Always More Data You Want

Editor's Notes

  1. Clarity is vital data definitions, note keeping on calculations