Update README.md

README.md

@@ -3,10 +3,10 @@ annotations_creators:
   - hired_annotators
 language_creators:
   - found
-languages:
+language:
   - pl
-licenses:
-  - other
+license:
+  - cc-by-nc-sa-4.0
 multilinguality:
   - monolingual
 size_categories:
@@ -15,7 +15,6 @@ task_categories:
   - token-classification
 task_ids:
   - named-entity-recognition
-  - part-of-speech-tagging
 pretty_name: Polish-Political-Advertising
 ---
 
@@ -27,6 +26,28 @@ Political campaigns are full of political ads posted by candidates on social med
 
 > We achieved a 0.65 inter-annotator agreement (Cohen's kappa score). An additional annotator resolved the mismatches between the first two annotators improving the consistency and complexity of the annotation process.
 
+## Data splits
+
+| Subset      | Cardinality (sentences) |
+| ----------- | ----------------------: |
+| train       | 1020                    |
+| dev         | 340                     |
+| test        | 341                     |
+
+## Class distribution (without "O" and "I-*")
+
+| Class                           |   train |   validation |   test |
+|:--------------------------------|--------:|-------------:|-------:|
+| B-HEALHCARE                     |   0.237 |        0.226 |  0.233 |
+| B-WELFARE                       |   0.210 |        0.232 |  0.183 |
+| B-SOCIETY                       |   0.156 |        0.153 |  0.149 |
+| B-POLITICAL_AND_LEGAL_SYSTEM    |   0.137 |        0.143 |  0.149 |
+| B-INFRASTRUCTURE_AND_ENVIROMENT |   0.110 |        0.104 |  0.133 |
+| B-EDUCATION                     |   0.062 |        0.060 |  0.080 |
+| B-FOREIGN_POLICY                |   0.040 |        0.039 |  0.028 |
+| B-IMMIGRATION                   |   0.028 |        0.017 |  0.018 |
+| B-DEFENSE_AND_SECURITY          |   0.020 |        0.025 |  0.028 |
+
 ## License
 
 [Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)](https://creativecommons.org/licenses/by-nc-sa/4.0/)