Getting Started with Data Cleaning and OpenRefine

A step-by-step lesson (with activities included) that will teach you to use OpenRefine to effectively clean and format data and automatically track any changes that you make.

These three screencasts give a great overview of the product in just a few minutes. NOTE: These were done by Google when the product was named Google Refine, but they still provide a great introduction and not much has changed except the name.

A peer-reviewed tutorial on the principles and practice of data cleaning. This lesson has been translated into Spanish and French.

Building on essential data wrangling skills as described in "Cleaning Data with OpenRefine" (another Programming Historian lesson), this lesson focuses on OpenRefine’s ability to fetch URLs and parse web content.