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Manipulating Use Data: PivotTables and XML Tansy Matthews June 2008
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Why? VIVA (The Virtual Library of Virginia) is a consortium of: 39 state-assisted colleges and universities at 55 campuses ++ 33 of Virginia's independent (private, not-for profit) colleges and universities ++ other Educational and Research Institutions
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Why? XX 30 products XX 12 times a year ++ Annual report =
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What are PivotTables? Excel Tool Translates columnar data into a table that can be sorted on any of the column headings.
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Raw data
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PivotTable
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Manipulating the PivotTable
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Changing the Data Fields
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Data Collection Over Time Consistent format allows data to be easily concatenated. PivotTables can be refreshed when new data is added. Charts can be generated directly from PivotTables. Example: extended_report.xlsextended_report.xls
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Creating a PivotTable Excel Data>PivotTable and PivotChart Report Choose source of data & data range Select a static range Import Place data headings Example file: journals_example_sourcedata.xls journals_example_sourcedata.xls
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Why XML? XML facilitates the importation of data into Excel. Allows the user to determine where the data “lands” when it’s imported – imperative for maintaining a consistent data format over time.
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What is XML? Extensible Markup Language similar to HTML XML data tags label the structure (not the appearance) of the document Human-readable markup language XML documents must be translated by a separate program or application (e.g. Excel) - otherwise, they’ll appear as marked up text.
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What does it look like? Example file: sjp_07.xmlsjp_07.xml
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How do I get it into Excel? Open Excel Select Data>XML>Import Example: import sjp_07.xml into Excelsjp_07.xml
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Using XML in Excel Select data to be imported Assign data positions (map elements) Change field names
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Adding new data Data>XML>XML Map Properties For example: Overwrite (sjp_07_march.xml)sjp_07_march.xml Append (dup_07.xml)dup_07.xml
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Who provides XML? http://www.projectcounter.org/articles.html
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What is Project COUNTER? Counting Online Usage of NeTworked Electronic Resources Standards for usage reporting Standard format makes compilation easier: Example Example
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Help! Some resources: lib-stats listserv: "Lib-Stats hosts information useful for the analysis of usage statistics in academic (and other) libraries. Current issues are debated on the lib-stats mailing list." To sign up for the mailing list, send an email to lib- stats-request@ncl.ac.uk. lib-stats listservlib-statslib- stats-request@ncl.ac.uk microsoft.public.excel: From Google groups. A general discussion group for Excel users. More specialized groups are also listed in Google groups. A good source for VBA macros. microsoft.public.excel OzGrid Forum: A good source for Excel tips and VBA macros. OzGrid Forum
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Additional Information http://www.vivalib.org/stats_training/caval_jun e_2008.html http://www.vivalib.org/stats_training/caval_jun e_2008.html Stats resources Example files PivotTable Tutorial PivotTable Tutorial
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Questions? www.vivalib.org tmatthe6@gmu.edu
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ICOLC April 5 - 8, 2009 Charlottesville, VA
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Not as pretty as here, but….
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The Omni on the Downtown Mall
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Charlottesville – Albemarle Airport (CHO) 60 nonstop flights to and from: Charlotte, NC Philadelphia, PA NY/LaGuardia Washington Dulles Cincinnati, OH Detroit, MI Atlanta, GA
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ICOLC April 5 - 8, 2009 Charlottesville, VA
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Questions? www.vivalib.org tmatthe6@gmu.edu
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