Decanter AI can automatically detect feature types (categorical or numerical). If you need to change the feature type (eg. ID is usually interpreted as numerical), you can do so in the following locations:

1. Under [Builder], when you're examining the features, you can change the feature's type under the "Type" column:

2. Under the [Data] tab, you can click on "Features" and perform the same actions by clicking on the feature type and select from the drop-down menu.