# Frequency

## Scenario

What are the net numbers of bookings per person once bookings to the US have been removed?

- Click on the **Add Aggregation** button
- Click on the tab entitled **Frequency(Communications)**

  > **Note**
  >
  > The auto-naming feature will populate the Name box until you change it - see below.
- Leave **Type** as **Frequency**
- Set the **Grouping Table** to **People** and the **Transactional Table** to **Bookings**
- Create a selection that identifies **Non US Bookings** and drag it onto the filter box
- Change the **Name** to display **Total Bookings excluding US**
- Click the **Build** button to see a preview of the results

A **Data Grid** can be used to validate the results: