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Circulation Data: Initial Analysis

Circulation Data: Initial Analysis

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Circulation Data: Initial Analysis

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

  2. Purpose • Compile existing circulation 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 • Charges • Renewals • Holds • Recalls • OPAC Happening Location Details

  7. 1. Charges

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

  9. 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, 3rd behind IND and GRD

  10. 2. Renewals

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

  12. 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

  13. 3. Holds

  14. Comments on Holds • Increase in holds • Moderates after FY05

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

  16. 4. Recalls

  17. Comments on Recalls • Increase in Recalls

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

  19. 5. OPAC Happening Location Details

  20. 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