Notebook for Learning Rate Scheduler

[ParagEkbote]

As described in #275, I've created a notebook that shows the visualization of the learning rate schedulers using the custom scheduler callback method in skorch.

Please let me know if any improvements are needed and I will make the necessary changes.

Fixes #275

cc: @BenjaminBossan

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[BenjaminBossan]

Thanks a lot for the PR. I haven't done an in-depth review yet but the first impression is already quite good.

Before proceeding, I have a few points, could you please take a look?

1. Right now, the notebook starts with pip install .... We typically have a check if the notebook runs in a colab environment and only run the installs there (also, with a link to open the notebook in colab). E.g. check out this notebook. Could you please copy the approach?
2. Right now, you apply the StandardScaler directly on the data. How about creating an sklearn Pipeline with the StandardScaler as the first step and the neural net as the 2nd? That would be a bit cleaner IMO.
3. You can remove the if __name__ == "__main__": part.
4. Regarding the visualization, we have a simulate method in LRScheduler. Maybe that can be used instead of having to implement LRHistoryCallback.
5. Could you please add an entry to the notebook/README.md and to the CHANGES.md?

[ParagEkbote]

I have modified the notebook, and markdown files as per the suggested changes. Here's a summary:

1. Completed.

2. Completed.

3. Completed.

4. Completed.

5. I have added placeholder links in the notebooks. When this PR gets merged, I will submit a follow-up PR since the notebook needs to be present in the repo before I can add the links to the markdown files.

Could you please review the changes?

@BenjaminBossan

[BenjaminBossan]

Thanks a lot for the updates. I have added some comments, please take a look.

[ParagEkbote]

Could you please review the updated changes?

@BenjaminBossan

[ParagEkbote]

Could you please review the updated changes?

@BenjaminBossan

[BenjaminBossan]

Sorry for the delay. I reviewed the PR again and added a few comments. One change is blocked by a new PR, so I'd say let's wait for that PR first. Please take a look.

[ParagEkbote]

I have addressed the mentioned comments.

Could you please review the updated changes?

cc: @BenjaminBossan

[ParagEkbote]

Could you please review the updated changes?

cc: @BenjaminBossan

[BenjaminBossan]

Thanks so much for the updates. I went through the notebook again and found only a few small things I'd like to be adjusted. Please check my comments.

[ParagEkbote]

I have addressed the mentioned comments.

Could you please review the updated changes?

cc: @BenjaminBossan

[BenjaminBossan]

Thanks for making the final changes, the notebook looks great, well done.

[ParagEkbote]

Thank you for assigning me the issue and being a patient guide.

Could you please see that #1025 gets closed to declutter?

cc: @BenjaminBossan

[BenjaminBossan]

Thanks for the reminder!