This is the RefinePro knowledge base about OpenRefine. We build it over the years, and keep adding to it. From great tutorials and how-to, to handy GREL expressions and links to external resources, you will find here one of the most comprehensive list of resources to learn OpenRefine.

For a comprehensive documentation you should refer to the official OpenRefine wiki.

Don't where to get started? Search for a specific function below, or read our most popular article from the right side menu.

29.9.12

Use Google Refine to clean your data for Fulcrum (from around the web)

Use Google Refine to clean your data for Fulcrum

Fulcrum allow to create location-based data collection apps and deploy them to your mobile device. This tutorial show how to use google refine to take advantages of the data you have collected using fulcrum

via Delicious http://docs.fulcrumapp.com/guides/cleaning-up-data-with-google-refine/

27.9.12

THATCamp Paris 2012 PiratePad (from around the web)

THATCamp Paris 2012 PiratePad 

PiratePad in french written during THATCamp Paris 2012 presenting a reflexion on how to use google refine or other tools to clean and work on data from a research worker perspective.

via Delicious http://piratepad.net/google-refine

10.9.12

Error: smartSplit error: Un-terminated quoted field at end of CSV line

I am a big fan of the smartSplit function. It is really easy to understand and help to extract quickly part of a string based on any character. However if while using the smartSplit function a cells contains a double quote - " - sign, google refine will return the following error message
Error: smartSplit error: Un-terminated quoted field at end of CSV line

Here is my work around.

5.9.12

Google Refine Workshop (from around the web)

This tutorial / exercise will walk you through all google refine main functionality. Through it's exercise so you can get your hand on quickly!

Data Journalism Workshop - New York (from around the web)

Google Hangout of HHNew York presenting Google Refine