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.
You want to apply one hot encoding (OHE) on the categorical feature(s). What challenges may you face if you have applied OHE on a categorical variable of the training dataset?

Question

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.

You want to apply one hot encoding (OHE) on the categorical feature(s). What challenges may you face if you have applied OHE on a categorical variable of the training dataset?

Answer

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

Answer

None of these

Answer

The frequency distribution of categories is different in the train compared to the test dataset.

Answer

Train and Test always have the same distribution.

Answer

Both A and B

Crowdly

Let’s say you are working with categorical feature(s), and you have not looked ...

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