v.19.9Improvement

Rename and Improve Regression Methods

Rename and improve regression methods. #5492 (Quid37)
Rename and improve regression methods in ClickHouse. This feature updates the naming conventions and enhances the functionality of regression functions to provide clearer usage and better performance.

Why it matters

The motivation behind this change is to make regression analysis in ClickHouse more intuitive and robust, addressing usability issues and improving method clarity for users performing statistical regressions in their queries.

How to use it

Users can apply the improved regression methods by using the newly renamed functions in their SQL queries. Simply replace old regression function names with the updated ones, following the new syntax and parameters as documented.