The **Clustering** tab sets the number of clusters that DataRobot will find during Autopilot. The default number of clusters is based on number of series in the dataset.

To set the number, add or remove values from the entry box and select the value from the dropdown:

![](images/cluster-adv-opt-1.png)
 
 Note that when using Manual mode, you are prompted to set the number of clusters when building models from the Repository.

