add english speaking tests

tests/transcriptions-stats.py

@@ -0,0 +1,38 @@
+import json
+from collections import defaultdict
+
+
+TRANSCRIPTIONS = "transcriptions.json"
+
+def get_stats():
+    stats = defaultdict(dict)
+    with open(TRANSCRIPTIONS, "r") as f:
+        data = json.load(f)
+        for i, elem in enumerate(data):
+            task_num = i % 4 + 1
+            obj = stats[f"Task {task_num}"]
+            if 'Sum True' in obj:
+                obj['Sum True'] += elem['score_true']
+                obj['Sum Pred'] += elem['score_pred']
+                obj['Count'] += 1
+            else:
+                obj['Sum True'] = elem['score_true']
+                obj['Sum Pred'] = elem['score_pred']
+                obj['Count'] = 1
+    for key, obj in stats.items():
+        stats[key]['Average True'] = stats[key]['Sum True'] / stats[key]['Count']
+        stats[key]['Average Pred'] = stats[key]['Sum Pred'] / stats[key]['Count']
+        stats[key]['MAE'] = abs(stats[key]['Average True'] - stats[key]['Average Pred'])
+    return stats
+
+
+def main():
+    stats = get_stats()
+    print(f"Статистика:")
+    for name, obj in stats.items():
+        print(name)
+        print(f'Avg True / Avg Pred / MAE = {obj['Average True']:.3f} / {obj['Average Pred']:.3f} / {obj['MAE']:.3f}')
+
+
+if __name__ == '__main__':
+    main()