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Metrics of monograph use in the Marston Science Library by Michelle Foss Leonard and

Metrics of monograph use in the Marston Science Library by Michelle Foss Leonard and Stephanie Haas Marston Science Library, University of Florida.

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Metrics of monograph use in the Marston Science Library by Michelle Foss Leonard and

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  1. Metrics of monograph use in the Marston Science Library by Michelle Foss Leonard and Stephanie Haas Marston Science Library, University of Florida

  2. The current study provides an initial assessment of use data associated with the monograph collection at the Marston Science Library (MSL), University of Florida. These sciences covered in Marston fall within the major Library of Congress Classification schedules of Q, S, and T.

  3. Potential Audiences

  4. Potential Audiences

  5. Circulation Circulated monographs dated from 1817 to 2009, approximately 192 years. When all user populations are totaled, 10,300 items in the Q class circulated, 1,300 in the S class circulated, and 4,000 items in the T class circulated.

  6. Circulation by User Group for subclasses of Q (Science)

  7. Circulation by User Group for subclasses of S (Agriculture)

  8. Circulation by User Group for subclasses of T (Technology)

  9. Findings from circulation • Graduate student borrowing far exceeds borrowing of either faculty or undergraduates, except in fisheries, zoology, and chemical engineering. • Borrowing average is less than 1 book per user per year. • LC subclasses with the highest circulation activity were identified.

  10. Visualizing circulation metrics using TagCrowd, [http://tagcrowd.com] • Steps in process: • Excel spreadsheets containing circulation data by LC class were sorted by Patron status and call numbers. • Example: Plant Culture (SB) monographs borrowed by graduate students (n=311)

  11. 2. Call numbers for circulated items were converted into text files and then parsed to top level subclass SB106.E25 S73 2001 SB106.I47 D48 2009 SB107.5 .A5 SB108.A35 P581 1998 SB110 .A37 SB112.5 .A321 1992 SB112.5 .H35 2002 SB112.5 .N55 1997 SB112.5 .O94 2002 SB112.5 .O95 2006 SB112.5 .O965 2007 SB112.5 .U53 1998 SB117 .K47 2006 SB106 SB106 SB107 SB108 SB110 SB112 SB112 SB112 SB112 SB112 SB112 SB112 SB117

  12. The text file of subclasses was uploaded into TagCrowd http://tagcrowd.com and filters chosen.

  13. LC subclass analysis using TagCrowd • The TagCrowd is extremely effective in helping to analyze data through visually clustering. • Finer granularity can be obtained by extending the call number extensions; however, decimal points must be converted to other characters. • Example QA274.2 must be converted to QA274d2, where d=decimal

  14. QA274.7 (11) = QA273-280 Probabilities. Mathematical statistics Markov processesQA274.5 (7) = QA273-280 Probabilities. Mathematical statistics Martingales (Mathematics)QA274.23 (6 )= QA273-280 Probabilities. Mathematical statistics  Stochastic differential equations.

  15. Subject headings vs LC call numbers QA274.23   [BLDC]         Stochastic differential equations. (61)   [LDS]         Stochastic differential equations--Congresses. (9)   [LDS]         Stochastic differential equations--Numerical solutions. (6)   [LDS]         Langevin equations. (3)   [LDS]         Stochastic differential equations--Numerical solutions-- Data processing. (2)   [LDS]         Stochastic difference equations. (1)   [LDS] Source: Classification Web by Library of Congress (online subscription)

  16. Science Monographs Purchased$127,141

  17. Purchased monograph circulation

  18. Print vs e-use for titles[40 titles circulated 43 times; online usage was 431, or a 100% increase. ]

  19. Study conclusions concerning monographic use • Monographic use by patron status has now been verified with graduate students accounting for 58% of the circulations. • LC classes of greatest interest have been identified: QA, QH, QC, QD, TK, TA, TP, S, SB • Current purchasing decisions accurately reflect usage • 41 print titles were also available in electronic copy and online usage was 100% greater. This finding has major implications for futurecollection development decisions.

  20. Study conclusions concerning data mining Theoretically, library functions supported by computers and databases should be quantifiable; however, meaningful data sets require multiple extraction runs, data striping, and recombination. Extracted data that can assist in collection development strategies is limited to LC classes and/or subject headings. Specificity of LC class appears stronger than subject headings, but future text analysis programs may provide even more accurate subject extraction. E-book use data is non-standard, frequently not available, and current metadata is incomplete. Libraries need to require that e-book services provide usable title based metrics.

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