Ethan Turok

Enhance `label_smoothing` algorithm

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# What does this PR do? Enhance Composer's `label_smoothing` by implementing the following label smoothers: `UniformSmoother`, `CategoricalSmoother` (new), and `OnlineSmoother` (new). * `UniformSmoother` smooths labels according to a uniform distribution....

Fellow Prediction Form does not recognize github username

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The fellow prediction [form](https://fellowship-prediction.web.app/form) does not recognize my username, `ez2rok`, when I put it into the form. This raises an error and prevents me from filling out the form. I...

In Q39 of Chapter 3, you write "Suppose you want to decompose M into as few disjoint blocks as possible." I think it would be clearer if you would write...

Show nearest points in the original space

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Tensorflow has a cool embedding visualizer [here](http://projector.tensorflow.org/) and I think some of their features are really cool and should be added to atlas. For example, when you click on some...

Running the code in this repo results in errors because this repo calls `torch.solve`, a function which is now deprecated. In this pull request, I replace `torch.solve` with the updated...