Update README.md

README.md

@@ -39,12 +39,14 @@ The fields are post id (`id`), the content of the haiku (`processed_title`), upv
 
 ## Usage
 
-There is only one split, which defaults to `train`.
+This dataset is intended for evaluation, hence there is only one split which is `test`.
 
 ```python
 from datasets import load_dataset
 
-d=load_dataset('huanggab/reddit_haiku')
+d=load_dataset('huanggab/reddit_haiku', data_files='test':'merged_with_keywords.csv'})  # use data_files or it will result in error
 >>> print(d['train'][0])
 #{'Unnamed: 0': 0, 'id': '1020ac', 'processed_title': "There's nothing inside/There is nothing outside me/I search on in hope.", 'ups': 5, 'keywords': "[('inside', 0.5268), ('outside', 0.3751), ('search', 0.3367), ('hope', 0.272)]"}
 ```
+
+There is code for scraping and processing in `processing_code`, and a subset of the data with more fields such as author Karma, downvotes and posting time at `processing_code/reddit-2022-10-20-dump.csv`.