FunRootAna: A Functional Framework for ROOT Analysis

FunRootAna is a framework designed to enhance the ROOT analysis experience by providing a functional approach to data analysis. Inspired by Apache Spark, Scala and built with a focus on usage simplicity, FunRootAna streamlines the creation and filling of histograms, enabling complex operations to be performed with minimal amount of code. This article introduces the core concepts and features of FunRootAna, with examples illustrating its application in ROOT Trees, CSV files, and object-oriented data.