[keras] metrics: changed to physics names

keras.py

@@ -838,8 +838,8 @@ def classification_metrics(classes=2):
         tf.keras.metrics.FalsePositives(name="fp"),
         tf.keras.metrics.TrueNegatives(name="tn"),
         tf.keras.metrics.FalseNegatives(name="fn"),
-        tf.keras.metrics.Precision(name="precision"),
-        tf.keras.metrics.Recall(name="recall"),
+        tf.keras.metrics.Precision(name="purity"),
+        tf.keras.metrics.Recall(name="efficiency"),
         tf.keras.metrics.AUC(name="auc"),
     ] + [AUCOneVsAll(one=i, name=f"custom_auc_{i}") for i in range(classes) if classes > 2]