All data are dirty data

There are a lot of ways to clean up messy data. We’ll go over a few and practice in a spreadsheet.


Exploring lobbying data in Tableau, a primer.


Progress update in your memo on your individual project. This needs to include interviews, progress in obtaining and/or analyzing data. You also need to create a back-out schedule (as described in class).

Install OpenRefine

Install Trifacta Wrangler


IRE tipsheet 4189 on the data-driven story. (search tipsheets at

Written by Cheryl Phillips

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