Tidy evaluation: Programming with ggplot2 and dplyr Apr 19, 2018 1 min read event, talk For this month’s meetup we have a very special guest : Hadley Wickham! Visit our Meetup page for more details and to RSVP. Date: Thursday, April 19, 2018 Time: 6:30pm Speaker: Hadley Wickham Host: Two Sigma event talk