Update README.md

Author: jim-schwoebel

train_dir/README.md

@@ -397,3 +397,4 @@ There are a few other scripts in this folder. The table below describes what eac
 | [delete_json.py](https://github.com/jim-schwoebel/allie/blob/master/train_dir/delete_json.py) | Deletes all .JSON files from all folders in the train_dir (useful to re-featurize sets of files). | ```python3 delete_json.py``` | ```python3 delete_json.py``` | 
 | [rename.py](https://github.com/jim-schwoebel/allie/blob/master/train_dir/rename.py) | Renames all the files in a particular directory (both audio files and .JSON files). Note you can manually change this to other file types | ```python3 rename_files.py [folder]``` | ```python3 rename.py /Users/jim/desktop/allie/train_dir/males``` |
 | [make_csv_regression.py](https://github.com/jim-schwoebel/allie/blob/master/train_dir/make_csv_regression.py) | Makes many .CSV files around the target variable for use in regression modeling (note you need to customize this to be useful). | ```python3 make_csv_regression.py``` | ```python3 make_csv_regression.py``` | 
+| [create_dataset.py](https://github.com/jim-schwoebel/allie/blob/master/train_dir/create_dataset.py) | Converts regression datasets with thresholds to classification datasets full of files | ```python3 create_dataset.py``` | ```python3 create_dataset.py``` |