The zip file contains two datasets in csv table format to be used for tree species classification uasing lidar features. For each dataset there are two files. The first file (e.g. dataset_1_training_test.csv) contains training and test samples: each column refer to a lidar feature, and one column with the label coresponding to the tree species. The sceond file contains unlabeled data (e.g. dataset_1_unlabeled_set.csv).