Merge pull request #25 from bigcode-project/loubnabnl-patch-2

Update README.md

README.md

@@ -7,4 +7,7 @@ necessary used for model training.
 
 - `language_selection`: notebooks and file with language to file extensions mapping used to build the Stack v1.1.
 - `pii`: code for running PII detection and anonymization on code datasets.
-- `preprocessing`: code for filtering code datasets based on line length and percentage of alphanumeric characters.
+- `preprocessing`: code for filtering code datasets based on:
+  - line length and percentage of alphanumeric characters.
+  - number of stars.
+  - comments to code ratio.