# About this class This guide was first prepared by [Dana Amihere](http://damihere.com), [Armand Emamdjomeh](http://emamd.net) and [Ben Welsh](http://palewi.re/who-is-ben-welsh/) for a training sessions at the [National Institute for Computer-Assisted Reporting (NICAR)](http://data.nicar.org/)'s 2018 conference in Chicago. It has been taught in numerous venues by Welsh, Amihere and Emamdjomeh, as well as by [Vanessa Martinez](https://www.vanessa-martinez.com/), [Aida Ylanan](https://www.linkedin.com/in/a1daylanan/), [James Thomas](https://www.nytimes.com/by/james-thomas) and [Elbert Wang](https://www.linkedin.com/in/elbert-wang-9331691b5/).