ReCAP Data Part 2: Requests Zack Lane ReCAP Coordinator July 2011 ReCAP Columbia University

Findings: Requests Request volume grew each year from the opening of ReCAP until FY09 Since FY09 the total has grown very slowly Impact of mass digitization is unknown Monthly requests are in phase with the academic calendar Net decline from busy to slow months is approximately 33% Collections are increasingly renewed Average user requests follow 80/20 rule ReCAP Columbia University

Request Data The terms request and retrieval are used interchangeably in most ReCAP documentation ReCAP tracks retrievals; CUL tracks requests There is not a one-to-one correspondence Majority of data corresponds Since granular data is available only for requests, ReCAP Coordinator uses it for analysis ReCAP Columbia University

Request Data: Granularity Barcode Delivery Location Default Delivery Location Date Time Type Patron Group Bib ID UNI Hashed UNI Format Publishing Date Language Title Holdings ID Call Number Enumeration/Chronol ogy Item ID CLIO Location Fiscal Year ReCAP Columbia University

Request Data 443,311 total requests since ReCAP opened FY08 : 59,755 FY09 : 69,060 FY10 : 71,119 FY11 : 71,513 Includes both patron and staff requests Excludes many staff requests Represents only CUL activity at the ReCAP facility Patron access to offsite collections is excellent: dynamic with few failures ReCAP Columbia University

Charts ReCAP Columbia University

Total Volume by Fiscal Year Every year CUL accessions more collections at ReCAP With more collections at ReCAP, patrons have requested more items Data does not include some staff requests and the Google Book Project Volume did not significantly increase between FY09 and FY10 This may be attributable to increased renewal of offsite collections ReCAP Columbia University

ReCAP Columbia University

Circulation Activity of Offsite Collections Chart compares total volume of charges to renewals for ReCAP 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

Total Volume by Month Request volume is in phase with the academic calendar Busiest months Fall: October-November Spring: February-April Reduced volume between terms in Winter and Summer In FY11 the busiest and slowest months were: October: 7,195 May: 4,637 ReCAP Columbia University

ReCAP Columbia University

Patron Statistics 32,965 patrons have placed at least one request Most frequent requesters are staff, requesting for both patron and internal purpose 9.8 requests per user (excluding top staff) Dividing users into between 10+ and <10 10+ account for 17.3% of population and 78.3% of all requests <10 account for 82.7% of population and 21.7% of all requests 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