Update README.md

README.md

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 # Dataset Card for "clean_code_data"
 
-[More Information needed](https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+High quality code data filtering from the stack and pypi.  The stack data is pulled from [starcoder data](https://huggingface.co/datasets/bigcode/starcoderdata), so it has some filtering applied already.
+
+All data was cleaned to remove code licenses and other headers, and filtered for quality and learning value.