Round mean values calculated during data analysis

Closes #201 (closed)

dan/datasets/analyze/statistics.py

@@ -40,7 +40,7 @@ def create_table(
             ("Min", np.min, None),
             ("Max", np.max, None),
             ("Mean", np.mean, 2),
-            ("Median", np.median, None),
+            ("Median", np.median, 2),
         ]
     )
     if total:
@@ -53,7 +53,7 @@ def create_table(
                 *list(
                     map(
                         # Round values if needed
-                        partial(round, ndigits=digits) if digits else lambda x: x,
+                        partial(round, ndigits=digits),
                         map(operator, data.values()),
                     )
                 ),