+
+ In general, this section is just to help the program verify whether a given column has been
+ interpreted correctly. Most of the time, the correct inference should have been made.
+
+
+
+ However, there is one common scenario that this program cannot detect: the case where categorical
+ variables are encoded by numbers (i.e. Female is 0 and Male is 1 for a categorical variable Sex). In
+ such an event, the user should clarify the data type context.
+
+
+