RDataFrame: Easy Parallel ROOT Analysis at 100 ThreadsDanilo Piparo, Philippe Canal, Enrico Guiraud, Xavier Valls Pla, Gerardo Ganis, Guilherme Amadio, Axel Naumann and Enric TejedorEPJ Web Conf., 214 (2019) 06029DOI: https://doi.org/10.1051/epjconf/201921406029