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Description:

hover 0.8.1

Explore and label on a map of raw data.
Get enough to feed your model in no time.

hover speeds up data labeling through embedding + visualization + callbacks.

You just need raw data and an embedding to get a map.
Explore the map to find "zones" that are easy and those that are tricky.
Start the conquest of your data by coloring the zones through wisdom!

:rocket: Live Demos
With code

edit & run code in your browser to get a labeling interface, with guides along the way.

Without code

go directly to a labeling interface, pre-coded and hosted on Binder.

:sparkles: Features (click bullets to show GIF)

It's fast because it labels data in bulk.

:telescope: A semantic scatter plot of your data for labeling, equipped with

Tooltip for each point on mouse hover

Table view for inspecting all selected points

Toggle buttons that clearly distinguish data subsets

Search widgets for ad-hoc data highlight

It's accurate because multiple angles work together.

:microscope: Supplementary views to use in conjunction with the annotator, including

Finder: filter data by search criteria

Softlabel: active learning by in-the-loop model prediction score

Snorkel: custom functions for labeling and filtering

It's flexible (and fun!) because the process never gets old.

:toolbox: Additional tools and options that allow you to

Go to higher dimensions (3D? 4D?) and choose your xy-axes

Consecutively select across areas, dimensions, and views

Kick outliers and fix mistakes

:bulb: Click on the bullet points above to view GIFs!
:package: Install

Python: 3.8+
OS: Linux & Mac & Windows

PyPI (for all releases): pip install hover
Conda-forge (for 0.6.0 and above): conda install -c conda-forge hover
For Windows users, we recommend Windows Subsystem for Linux.

On Windows itself you will need C++ build tools for dependencies.

:book: Resources

Tutorials
Binder repo
Changelog
Documentation

:flags: Announcements

Jan 21, 2023 version 0.8.0 is now available. Check out the changelog for details :partying_face:.

:bell: Remarks
Shoutouts

Thanks to Bokeh because hover would not exist without linked plots and callbacks, or be nearly as good without embeddable server apps.
Thanks to Philip Vollet for sharing hover with the community even when it was really green.

Contributing

All feedbacks are welcome, especially what you find lacking and want it fixed!
./requirements-dev.txt lists required packages for development.
Pull requests are advised to use a superset of the pre-commit hooks listed in .pre-commit-config.yaml.

Citation
If you have found hover useful to your work, please let us know :hugs:
@misc{hover,
title={{hover}: label data at scale},
url={https://github.com/phurwicz/hover},
note={Open software from https://github.com/phurwicz/hover},
author={
Pavel Hurwicz and
Haochuan Wei},
year={2021},
}