Aymon Wuolanne

### What happens? When running `linker.save_model_to_json()` the field `tf_minimum_u_value` is dropped from comparison levels. This is because the implementation of `as_dict()` for ComparisonLevel doesn't mention it. ### To Reproduce ```...

Possible bug in `estimate_u_using_random_sampling` for Spark backend

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### What happens? I noticed that occasionally when running `estimate_u_using_random_sampling` with a large sample size (1e8) it would finish with a surprising number of comparison levels not being observed. In...

Add Splink

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Splink is a Python package for record linkage using the Fellegi-Sunter probabilistic model, and it is being used by a number of official statistics agencies. It could make a good...