Function

In Data Science and Artificial Intelligence, a function is a set of instructions that takes one or more inputs and produces an output. Functions are used to perform specific tasks or operations on data, such as transforming, filtering, or aggregating it. Functions can be simple or complex, and can be built-in or custom-made. Built-in functions are pre-defined in programming languages or libraries, and can be called directly. Custom-made functions are created by the user to perform specific tasks that are not available in built-in functions. Functions are an essential part of Data Science and Artificial Intelligence, as they allow for the automation of repetitive tasks and the creation of complex workflows. They are used in data cleaning, feature engineering, model training, and prediction, among other tasks.
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