1. Circulation Data: Initial Analysis Steve Zweibel CCMSCC 6/14/2010

2. Purpose Compile existing circulation datacirculation data Organize data according to primary categories Visualize circulation data by year and month Observe changes in circulation patterns Explore questions: Who, What, When, Where, Why and How?

3. Circ Data Set Categories Happening Location: physical (virtual) location of circulation activity CLIO Location: owning location of collections Patron Group: classification of patron (undergrad, faculty, etc.) Charge Type: variety of circulation activity Date: FY and month of circulation activity

4. Questions to Explore Who: patron group What: CLIO location When: date Where: happening location Why: [not so easy] How: charge type

5. Patron Groups GRD- Graduate Students IND- Indefinite OFF- Officers (Faculty) REG- Undergraduates VIS- Visitors

6. Contents 1.Charges 2.Renewals 3.Holds 4.Recalls 5.OPAC Happening Location Details

7. 1. Charges

11. Comments on Charges Decrease in charges Stable In phase with academic year, early bump for GRD

12. Comments on Charges Large increase in charges by IND No change for VIS GRD with most charges, but steep decline REG no longer most charges, 3 rd behind IND and GRD

13. 2. Renewals

17. Comments on Renewals Decrease in renewals Accelerated decrease after FY07 In phase with academic year

18. Comments on Renewals REG out of phase until Jan 08 Large decrease by REGs Somewhat smaller decrease by GRD OFF and REG were equal, now OFF much higher OFF now most renewals, was GRD before

19. 3. Holds

23. Comments on Holds Increase in holds Moderates after FY05

24. Comments on Holds GRDs have large increase followed by decrease REG out of phase with academic calendar VIS proportionally high

25. 4. Recalls

29. Comments on Recalls Increase in Recalls

30. Comments on Recalls Large increase for OFF starting in FY07 Increase followed my moderation for GRD GRD always most recalls, OFF catching up

31. 5. OPAC Happening Location Details

35. Comments on OPAC Charges do not take place in OPAC happening location Majority of Recalls done on OPAC Majority of Renewals done on OPAC Huge proportion of holds done on OPAC