"val" -> "validation" for the split

AGBD.py

@@ -396,7 +396,7 @@ class NewDataset(datasets.GeneratorBasedBuilder):
         self.original_dataset = datasets.load_dataset("prs-eth/AGBD_raw", streaming=self._is_streaming)
         return [
             datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"split": "train"}),
-            datasets.SplitGenerator(name=datasets.Split.VALIDATION, gen_kwargs={"split": "val"}),
+            datasets.SplitGenerator(name=datasets.Split.VALIDATION, gen_kwargs={"split": "validation"}),
             datasets.SplitGenerator(name=datasets.Split.TEST, gen_kwargs={"split": "test"}),
         ]