In OpenRefine it is possible to merge two of your projects, linking data that you have been working on separately or making additions to an existing data set. It is important to remember that this will only work with projects that are stored in your specific instance of OpenRefine and will not work across two different instances of OpenRefine.
Before you can begin merging your data, it is important to be certain your data includes a “key.” Oftentimes, data will have a unique identifier which is in turn associated with a set of information. For example, you might have an ISBN that is linked to the title of a book, the author’s name, and the publisher. In order to merge two sets of data, it is important that there is some sort of unique identifier, or “key,” for each row of data so that when the projects are merged, the program can identify which rows “match.”
5/21/2018 - Brinna Michael