> For the complete documentation index, see [llms.txt](https://docs.zingg.ai/latest/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zingg.ai/latest/stepbystep/createtrainingdata.md).

# Working With Training Data

Zingg builds models to predict *similarity*. Training data is needed to build these models. The next sections describe how you can use the **Zingg Interactive Labeler** to create the training data.