Using custom fields

You can use custom fields to create groups from categorical dimensions, bins from numeric dimensions, and to create custom dimensions and measures to show the data you need in your visualizations.

• Creating a custom measure from a dimension
  You can create a custom measure to calculate an aggregation specific to the data type of a particular dimension and use it in your visualizations.
• Creating custom groups
  You can create ad hoc custom groups for dimensions and custom dimensions without needing to use logical functions in expressions.
• Creating custom bins
  You can create custom bins for numeric type dimensions and custom dimensions without needing to use logical functions in expressions.
• Adding a filter to a custom measure
  You can apply filters to a custom measure to enable the measure to limit the data included. For example, only including data from certain regions.
• Creating a filtered measure from another measure
  You can create custom measure that copies an existing measure and adds a filter.
• Creating a custom dimension using an expression
  You can create a custom dimension using an expression and one or more other dimensions.
• Duplicate a custom field
  Duplicating and then editing custom fields can be helpful if you'd like to create multiple custom fields with only small differences. For example, 30-day, 60-day, or 90-day sums.
• Editing a custom dimension
  You can edit the definition, formatting, and information about a custom dimension after you create it.
• Editing a custom measure
  You can edit the definition, formatting, and information about a custom measure after you create it.
• Deleting a custom field
  You can delete custom fields that are no longer needed.