Categorical
Categorical columns contain distinct categories. The defining aspect of a categorical column is that there is a set number of predefined categories.
The categories may be ordered or unordered. Ordered categories are known as ordinal while unordered categories are known as nominal.

"VISA"
, "AMEX"
or "DISCOVER"
. This is nominal because the categories don't have any order.General Categorical Transformers
These transformers encode your categorical values as numerical values, ready for data science and machine learning.
Encode categories as a smooth distribution using a pre-determined order. Useful for imbalanced values.
Differential Privacy Transformers
These transformers use differential privacy techniques to add noise or reshape your column of categorical data. As a result, your column — and any statistics about it — can be shared with differential privacy guarantees.
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