Update README.md

README.md

@@ -70,18 +70,20 @@ The dataset contains metadata and headers in **Portuguese**, as provided by ONS.
 
 Each file includes the following fields (translated from Portuguese):
 
-- `usina`: Power plant or group name.
-- `data`: Timestamp (YYYY-MM-DD HH:MM).
-- `tipo`: Type of source (`Eólica` for wind, `Solar` for solar).
-- `fator_capacidade`: Capacity factor (float, between 0 and 1).
+- `timestamp`: Start of the time series (YYYY-MM-DD HH:MM).
+- `id`: Id of the time series.
+- `past_values`: The context values of shape `(512, 1)`.
+- `past_observed mask`: The mask of context values of shape `(512, 1)`.
+- 'static_categorical_values': If it is wind or solar energy `(0 or 1)`.
+- 'static_real_values': Latitude and longitude.
+- 'future_values': The target sequence.
+- 'future_observerd_mask': The mask of target sequence.
 
-Note: Some years or months may contain additional fields depending on the ONS publication format.
+Note: Some years or months may lack some of these fields depending on the ONS publication format.
 
 ### File Formats
 
-- CSV (`.csv`)
-- Excel (`.xlsx`)
-- Parquet (`.parquet`) — available for newer monthly files
+- Parquet (`.parquet`)
 
 ## Data Splits
 
@@ -103,8 +105,15 @@ More information: [http://opendefinition.org/od/2.1/pt-br](http://opendefinition
 
 If you use this dataset in your research, please cite ONS as the data provider:
 
-@misc{ons_capacity_factor, title = {ONS Capacity Factor Dataset}, author = {Operador Nacional do Sistema Elétrico (ONS)}, year = {2025}, url = {http://www.ons.org.br} }
-
+```bibtex
+@misc{
+  ons_capacity_factor,
+  title = {ONS Capacity Factor Dataset},
+  author = {Operador Nacional do Sistema Elétrico (ONS)},
+  year = {2025},
+  url = {http://www.ons.org.br}
+}
+```
 
 ## Acknowledgements