fisrt commit, lets put here some code for ordinal quantification

Ordinal/inspect_dataset.py

@@ -0,0 +1,16 @@
+import quapy as qp
+from quapy.data import LabelledCollection
+from quapy.data.reader import from_text
+from quapy.functional import strprev
+
+category = 'Books'
+datadir = './data'
+
+training_path = f'{datadir}/{category}/training_data.txt'
+
+data = LabelledCollection.load(training_path, loader_func=from_text)
+
+print(len(data))
+print(strprev(data.prevalence()))
+
+