Transcript Document
George A. Smathers Libraries
Marston Science Library
MSL
OPEN REFINE:
CLEAN YOUR MESSY DATA
Valrie Minson
Outreach Librarian for Agricultural Sciences
OpenRefine
MSL
OpenRefine.org (Google Refine)
Open Source
Runs locally on computer (privacy)
Looks like Excel or Google Spreadsheets
Data: clean it, transform it, extend it!
Excel: my messy data
MSL
Data issues
MSL
Human/free-text errors
Inconsistent journal titles
Redundant citations
Data (volume/issue) in wrong fields
ARTICLES IN CAPS LOCK
Data in Open Refine
MSL
Use filters to edit data
MSL
Faceted: journal titles by count
MSL
MSL
Filtering/faceting
MSL
Use filters or facets to select subsets of data
Journal of Agriculture
Journ of Agriculture
Journla of Agriculture
Agriculture, Journal of
Not just for Messy data
OpenRefine Expression Language
(GREL)
MSL
Transform list into table (create columns)
Merge datasets
Export into Excel, CSV, OpenOffice, Google
Spreadsheets, JSON, RDF, etc.
Use with other systems (Excel, SPSS, etc.)
Great videos
OpenRefine.org
MSL
Valrie Minson
[email protected]