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.

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Showing posts with label toNumber. Show all posts
Showing posts with label toNumber. Show all posts

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!

28.4.12

Field format change accidentally to Number and how to add leading 0

By inadvertence one can transform quickly a field containing number in a text format to number format. This mainly happen during the project creation (import) or when creating new column. This conversion to number can lead to a loss of data like leading 0. Here is how to get them back and avoid this to happen again.