Text and Data Mining valid from 2018-12-06
Received: 23 August 2018
Accepted: 24 November 2018
First Online: 6 December 2018
Compliance with ethical standards
: Author Stephanie Wan-Ting Chang declares that she has no conflict of interest. Author Daniel A. Donoho declares that he has no conflict of interest. Author Gabriel Zada declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.