Generation H2O benchmark data using Rust and PyArrow

Preface I would like to express my gratitude to Matthew Powers for testing my project and providing feedback, and to Steve Russo for offering a valuable review of my code and drawing my attention to avoiding the use of unwrap . Prior to his review, some parts of the code looked like this: let distr_k = Uniform :: < i64 > :: try_from ( 1 ..= k ). unwrap (); let distr_nk = Uniform :: < i64 > ::…