AUTHOR=Katahira Kentaro , Kunisato Yoshihiko , Yamashita Yuichi , Suzuki Shinsuke TITLE=Commentary: A robust data-driven approach identifies four personality types across four large data sets JOURNAL=Frontiers in Big Data VOLUME=3 YEAR=2020 URL=https://www.frontiersin.org/journals/big-data/articles/10.3389/fdata.2020.00008 DOI=10.3389/fdata.2020.00008 ISSN=2624-909X