> For the complete documentation index, see [llms.txt](https://george-jen.gitbook.io/data-science-and-apache-spark/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://george-jen.gitbook.io/data-science-and-apache-spark/ml-pipeline.md).

# ML Pipeline

### Pipeline:

A Pipeline chains multiple Transformers and Estimators together to specify an ML workflow.

Estimator:

![](/files/-M2kzeqvN4BfvluIKPd_)

Transformer:

![](/files/-M2kzzmXsSL5HHR3e44I)