2019-n8-Single-Package-HacktoberFest Hacking night session of open source programming featuring CRUG's own R package authors! Will Bonnell, author of ctar: Package to interact with CTA train API. James Lamb, co-author of uptasticsearch: Data science-friendly data frame client for Elasticsearch. Anh Tran, author of HPAanalyze (of Bioconductor): Biological data visualization and access to a public dataset. Nick Reddell, author of forecastML: Wrapper package that supports forecasting with non-time series ML methods.