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Information Visualization

http://fitnyc.libguides.com/infoviz

Advice on Cleaning Your Data

Top Ten Ways To Clean Data - Microsoft
Advice for cleaning in Excel
Using a Spreadsheet to Clean Up a Dataset
Spreadsheet advice from the School of Data. Addresses common problems and solution.

Data Cleaning Tools

Data Wrangler
Wrangler is an interactive tool from Stanford University for data cleaning and transformation.
Spend less time formatting and more time analyzing your data
Open Refine
Tutorials on the use of the open source software, Open Refine. Download of software is required.