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Circulation Data: The Burke Library

Circulation Data: The Burke Library. Zack Lane ReCAP Coordinator July 2012. ReCAP Columbia University . Burke Circulation Data. Looks at Burke Library circulation activity Is only one measure of collection usage Presents data both Burke specific and system-wide

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Circulation Data: The Burke Library

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  1. Circulation Data: The Burke Library Zack Lane ReCAP Coordinator July 2012 ReCAP Columbia University

  2. Burke Circulation Data • Looks at Burke Library circulation activity • Is only one measure of collection usage • Presents data both Burke specific and system-wide • Circulation Desk uses several happening locations: Burke, Butler, BorrowDirect, HSL • Burke Library data is available from June 2004, after switch from SOPHIA to CLIO • No circulation data for non-circulating collections ReCAP Columbia University

  3. Burke Library Happening Location • Data from Burke Library Happening Location only • Five primary types of circulation activity: charge, discharge, renewal, recall and hold • Most renewal, recall and hold are done in the OPAC happening location, dynamically by patrons themselves • Note: circulation data includes primarily on campus collections ReCAP Columbia University

  4. ReCAP Columbia University

  5. Observations • Total volume of charges has remained consistent (compared to 27.4% decline system-wide) • Volume of discharge predictably mirrors charges • FY11 upswing of renewals attributed to a change in culture at Burke Circulation • Retraining of circ staff to be service oriented ReCAP Columbia University

  6. ReCAP Columbia University

  7. Burke Circulation by Patron Group • Almost 2/3 of all charges are to graduate students • Patron Group definitions have changed: • UTS Affiliates, in 2007 changed from UTA to VIS • Adjunct faculty, in 2008 grad students were given primary group OFF instead of GRD • VIS includes NYTS, Auburn and visiting scholars • Pie charts break down data for FY11 only • Bar chart compares patron group charges for each fiscal year ReCAP Columbia University

  8. ReCAP Columbia University

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  11. Circ Activity by Collection • Data for all transactions in the Burke Happening Location • Nearly 80% is for the LC Stacks collection alone • Offsite charges are placed in the Butler Happening Location • Data unavailable for non-circulating collections ReCAP Columbia University

  12. ReCAP Columbia University

  13. System-wide Circulation Data • System-wide circulation statistics are available for both on campus and offsite collections • Circulation data are accessible to all staff • Offsite collections can be identified by CLIO location format off,xxx. • System-wide data is available from July 2003, the date of Ex Libris Voyager implementation ReCAP Columbia University

  14. On Campus vs. Offsite Charges • Comparison of on campus and offsite collection charges by volume • On campus charge volume declined by 27.4%between FY04 and FY12 • On campus charges have declined every year since FY04 • Offsite charge volume increased 121.3%between FY04 and FY12 • N.B. On campus collection size declines each year; offsite collections grow each year ReCAP Columbia University

  15. ReCAP Columbia University

  16. Monthly On Campus vs. Offsite Charges • Monthly charges of both on campus and offsite collections are in phase with the academic calendar • Peaks in the middle of Fall and Spring terms • The pattern of offsite charges is more apparent when viewed alone ReCAP Columbia University

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  18. ReCAP Columbia University

  19. On Campus vs. Offsite Charges • On campus and offsite charges can be compared using a ratio • The ratio of offsite to on campus increased from FY04 to FY012 • Offsite collections are accounting for proportionally more activity ReCAP Columbia University

  20. ReCAP Columbia University

  21. Charges vs. Renewals • Chart compares total volume of charges to renewals for Offsite collections • Graduate students and Faculty request more Offsite collections than Undergraduates • Graduate students and especially Faculty have higher renewal/charge ratios • Over time, these two patron groups tend to renew more than charge • CUL may expect to see steady or decreasing request volume as a result ReCAP Columbia University

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  24. ReCAP Columbia University

  25. More Data Available • More information about data sets can be found on the ReCAP Data Center website • Primary data categories include: accession, retrieval, delivery and circulation • Tailored data sets and analysis will be provided to staff via the ReCAP Coordinator • Please see the main ReCAP website for general information about CUL procedures and systems ReCAP Columbia University

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