ml5-save/docs/reference/index.md

ml5 save

# Reference

Welcome to the ml5.js reference page! Here you can browse the various categories of functionality that ml5.js provides. We have categorized the functionality of ml5.js based on the types of input and output that you might be interested to work with.

We currently have 4 categories:

* **Helpers**:
  *  The ml5 *helpers* category groups ml5 features that are broadly related to machine learning data, working with data, manipulating data, and training a model with data. Part of our helpers includes the [ml5.neuralNetwork](neural-network.md) which allows you to build and train your own neural network right in the browser. You can also explore the [ml5.featureExtractor](feature-extractor.md) to do [transfer learning](https://en.wikipedia.org/wiki/Transfer_learning).
* **Image**:
  * The ml5 *image* category groups ml5 features that are related to applying machine learning to images or video.  
* **Sound**
  * The ml5 *sound* category groups ml5 features that are related to applying machine learning to audio. 
* **Text**
  * The ml5 *text* category groups ml5 features that are related to applying machine learning to text.

See the sidebar for more information.