update class distribution in README.md (#2)

- update class distribution in README.md (7cebe1c50e97320309dbbc019957262f4c5b07ac)
- fix stats (02a320fcc2895fce73b4da4dd636192758a150b0)


Co-authored-by: Albert Sawczyn <asawczyn@users.noreply.huggingface.co>

README.md

@@ -50,14 +50,14 @@ The task is to predict the correct label of the review.
 | val    |         823 |
 | test   |         820 |
 
-## Class distribution in train
-
-| Class | Fraction |
-|-------|---------:|
-| zero  | 0.147726 |
-| minus | 0.375628 |
-| plus  | 0.277499 |
-| amb   | 0.199148 |
+## Class distribution
+
+| Class   |   train |          dev |   test |
+|:--------|--------:|-------------:|-------:|
+| minus   |  0.3756 |       0.3694 | 0.4134 |
+| plus    |  0.2775 |       0.2868 | 0.2768 |
+| amb     |  0.1991 |       0.1883 | 0.1659 |
+| zero    |  0.1477 |       0.1555 | 0.1439 |
 
 ## Citation