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.

26.12.14

Increase Set Facet Choice Count

The default maximum number of values displayed in a facet is 2,000. This limitation has been set to prevent Refine to slow down when working with large datasets.

You can override this parameter by changing this value. Click on Set Choice Count Limit and define the new maximum (Refine prompt automatically a value matching the maximum number of value is your current facet).