Upload wine_origin.py

wine_origin.py

@@ -140,6 +140,8 @@ class WineOrigin(datasets.GeneratorBasedBuilder):
 			yield row_id, data_row
 
 	def preprocess(self, data: pandas.DataFrame) -> pandas.DataFrame:
+		data["class"] = data["class"].apply(lambda x: x - 1)
+
 		if self.config.name == "wine_origin_0":
 			data["class"] = data["class"].apply(lambda x: 1 if x == 0 else 0)
 		elif self.config.name == "wine_origin_1":