Let’s say, you are working with categorical feature(s) and you have not looked at the distribution of the categorical variable in the test data.

All categories of categorical variable are not present in the test dataset.

Frequency distribution of categories is different in train as compared to the test dataset.

Train and Test always have same distribution.

Let’s say, you are working with categorical feature(s) and you have

1.	Let’s say, you are working with categorical feature(s) and you have not looked at the distribution of the categorical variable in the test data.
A.	All categories of categorical variable are not present in the test dataset.
B.	Frequency distribution of categories is different in train as compared to the test dataset.
C.	Train and Test always have same distribution.
D.	Both A and B
Answer» E.