# Model Formats

1. [stop using pickle, use JSON/PMML](https://faoel.medium.com/stop-using-pickle-to-save-machine-learning-models-eaa46e8e561a)

### [PMML ](http://www.kdnuggets.com/faq/pmml.html)

\- an XML file that describes a ML model that is transferable between applications.

* [PMML](http://dmg.org/pmml/v4-3/GeneralStructure.html) uses XML to represent mining models.
* The structure of the models is described by an XML Schema. 
* One or more mining models can be contained in a PMML document