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Dimension hierarchy concepts
A dimension hierarchy is a data construct that groups data into bins based on value ranges. Dimension hierarchies are the basis for a variety of reports.
What is a dimension hierarchy?
A dimension hierarchy is a data construct used to group data into bins based on value ranges. A dimension hierarchy can contain multiple levels, each of which has its own set of bins. The bins in each lower level must roll up neatly into bins in higher levels.

Administrator Guides
- Administrator Guide
  - Unica Campaign administration overview
    The Settings menu provides access to most of the tasks that Unica Campaign administrators typically perform.
  - Security in Unica Campaign
    Security policies control user access to the objects and features in Unica Campaign.
  - Database table administration
    Unica Campaign administrators must perform initial one-time tasks and routine administration tasks that pertain to database tables.
  - Customizing campaigns
    Administrators can customize campaigns by using custom campaign attributes, initiatives, and products.
  - Offer template concepts
    Before administrators perform offer template management tasks, there are several important concepts to understand.
  - About audience level administration
    Unica Campaign is delivered with a single audience level called Customer. You can define any additional audience levels that you need. Audience levels let flowchart designers target specific groups, such as Households, in marketing campaigns.
  - Before you begin working with contact history
    Contact history is stored in the Unica Campaign system database in separate tables by audience level. Therefore, you need to set up audience levels before you begin working with contact history.
  - Response history administration
    Before you begin working with response history, you should read the audience level administration topics and set up required audience levels.
  - Monitoring and controlling flowchart runs
    Choose Campaign > Monitoring and use the All monitored runs page to view the status of all active flowcharts and suspend, resume, or stop flowchart runs.
  - Dimension hierarchy concepts
    A dimension hierarchy is a data construct that groups data into bins based on value ranges. Dimension hierarchies are the basis for a variety of reports.
    - What is a dimension hierarchy?
      A dimension hierarchy is a data construct used to group data into bins based on value ranges. A dimension hierarchy can contain multiple levels, each of which has its own set of bins. The bins in each lower level must roll up neatly into bins in higher levels.
    - Why use dimension hierarchies?
      As the building blocks of cubes, dimension hierarchies are the basis for a variety of reports that can be used for data exploration, quick counts, or as a basis for targeting campaigns.
    - About dimension hierarchies and cubes
      You use dimension hierarchies to create dynamic data cubes, precalculated two- or three-dimensional aggregations of customer data built on a strategic segment.
    - About dimension hierarchies and database tables
      When you create a dimension hierarchy in Unica Campaign, you map it to a table in a database or a flat file.
    - Designing dimension hierarchies
      You should consider the following things when designing dimension hierarchies.
    - Working with dimension hierarchies
      A dimension hierarchy is a data construct that groups data into bins based on value ranges. Dimension hierarchies are the basis for a variety of reports. Administrators can create and edit dimension hierarchies.
  - Triggers administration
    Unica Campaign allows you to define inbound and outbound triggers that can be used in all flowcharts in a partition.
  - Unica Campaign log files
    Unica Campaign records information in several different log files.
  - JVM Parameters
  - About codes in Unica Campaign
    Each campaign, cell, offer, and treatment in Unica Campaign has an identifying code that is generated by code generators, and conforms to a specified format.
  - Accessing the Advanced settings
    When a flowchart is open for editing, administrators can choose the Advanced settings option on the Admin menu to make administrative changes that affect only the current flowchart.
  - Unica Campaign integration with other products
    Unica Campaign optionally integrates with a number of other products.
  - Unica Campaign listeners
    The listener is a key component of Unica Campaign. It provides an interface between front-end clients and back-end analytical server processes.
  - Unica Campaign utilities
    Administrators use the Unica Campaign utilities to manage listeners, sessions, and flowcharts, and perform other important administrative tasks.
  - Configuring the ACOOptAdmin tool
    Configure the ACOOptAdmin tool to run Unica Optimize sessions from the command line.
  - Non-ASCII data in Unica Campaign
    Unica Campaign supports the use of localized data and non-United States locales, including multiple user-preferred locales within the same installation of the application.
  - Configuration properties for Unica Campaign
    The configuration properties of Unica Campaign are located at SettingsConfiguration. For more details on the configuration properties, see the Campaign Administrator Guide.
  - About special characters
    Some special characters are not supported in any Unica Campaign object names. In addition, some objects have specific naming restrictions.
  - Introduction to character encodings
    This section provides information on character encodings and language-sensitive database considerations, and lists the encodings supported by Unica Campaign.
  - About Unica Campaign Error Codes
    Unica Campaign notifies users of error events when they occur with error messages that consist of a code number and error text.
  - Troubleshooting
- System Tables

What is a dimension hierarchy?

A dimension hierarchy is a data construct used to group data into bins based on value ranges. A dimension hierarchy can contain multiple levels, each of which has its own set of bins. The bins in each lower level must roll up neatly into bins in higher levels.

For example, the Age dimension hierarchy could have two levels, Lowest level and Rollups. Customers are grouped in bins at each level:

Lowest level: (21-25), (26-30), (31-35), (36-45), (45-59), (60+)

Rollups: Young (21-35), Middle (36-59), Older (60+)

Note: You cannot split a lower level bin (for example, bin 26-30 above) and divide individuals aged 26-27 into "young" and 28-30 into "middle", when rolling up to a higher level. Any single bin in a lower level must fall completely within a higher level bin. If you wanted to actually define "young" as those aged 21-27, you would need to create separate bins (for example, 26-27 and 28-30) in the lower level so they could roll up into "young" and "middle," respectively.

Other commonly specified dimension hierarchies are time, geography, product, department, and distribution channel. However, you can create any kind of dimension hierarchy that relates to your business or campaign.

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