What is PigUDF?

A Pig UDF (User-Defined Function) is a custom function created by users to extend the functionality of Pig Latin language. It can be written in programming languages like Java or Python and called by Pig Latin scripts. By creating Pig UDFs, users can implement custom data processing logic to handle data more flexibly. Pig UDFs can be used for tasks such as data cleaning, feature extraction, data transformation, and more.