Creating unique identifiers between two data sets
Creating unique identifiers between two data sets
When a join is required, and the field doesn't exist, you must learn to create a field to create a unique identifier. This will allow you to enjoy the benefits of unique key in your data sets for joins, lookups and visuals.
If you’re a data analyst, you’ve no doubt learned different skills, techniques, and tools pertaining to data. But sometimes it can be difficult to know when and why to apply these tools. In this weekly series, instructor Robin Hunt explains a new skill, secret, tip, technique, best practice, or golden piece of advice in each installment. Robin covers topics that can help you do your job better, such as joining data and data designs, privacy for data, transforming and cleaning data, and making data sets and visualizing data.
Note: Because this is an ongoing series, viewers will not receive a certificate of completion.