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