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Circulation Data: Music Library. Zack Lane ReCAP Coordinator July 2012. ReCAP Columbia University . Music Library Circulation Data. Looks at Music Library circulation activity Is only one measure of collection usage Presents data both Music specific and system-wide
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Circulation Data: Music Library Zack Lane ReCAP Coordinator July 2012 ReCAP Columbia University
Music Library Circulation Data • Looks at Music Library circulation activity • Is only one measure of collection usage • Presents data both Music specific and system-wide • Circulation Desk uses several happening locations: Music, Music Reserves, Butler, BorrowDirect, and HSL • Music Library data is available from the implementation of Voyager, July 2003 • No circulation data for non-circulating collections ReCAP Columbia University
Music Library Happening Location • Data from Music Library Happening Location only (includes Reserves) • Five primary types of circulation activity: charge, discharge, renewal, recall and hold • Renewals and recalls are done in the OPAC Happening Location, dynamically by patrons themselves • Non-Music Offsite collections charged in Butler Happening Location ReCAP Columbia University
ReCAP Columbia University
Observations • Total volume of charges has declined most years since FY04 • Gap between charges and discharges may indicate some books are returned to other departments • 39.4% decline from FY04 to FY12 • Compare to 27.4% decline system-wide) • Volume of discharge predictably mirrors charges • Upswing in FY08-FY09 ReCAP Columbia University
ReCAP Columbia University
Music Circulation by Patron Group • Line charts represent usage by year and month • Patron Group definitions have changed: • Adjunct faculty, in 2008 grad students were given primary group OFF instead of GRD • Pie charts break down data for FY12 only • Bar chart compares patron group charges for each fiscal year ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
Observations • Almost 1/2 of all charges are to undergraduate students in FY12 • Significant decline for faculty • Increase in graduate charges in FY08-FY10 • Are changing formats affecting usage? • More meaning may be extracted from collection data ReCAP Columbia University
Circ Activity by Collection • Data for all transactions in the Music Happening Location • Non-Music Offsite charges are placed in the Butler Happening Location • Data unavailable for non-circulating collections • Five pie charts: • Collective • GRD = Graduates • OFF = Faculty • REG = Undergraduates • VIS = Visitors ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
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
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
ReCAP Columbia University
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
ReCAP Columbia University
ReCAP Columbia University
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
ReCAP Columbia University
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
ReCAP Columbia University
ReCAP Columbia University
ReCAP Columbia University
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