This journey started almost exactly a year ago, but it’s finally been sufficiently worked through and merged! Yay, I’ve officially contributed to the tidyverse (minor as it may be). I’m at least as useful as Zoidberg It began with a tweet, recalling a surprise I encountered that day during some routine data processing Source of today's mild heart-attack: I have categories W, X_Y, and Z in some data. Intending to keep only the second two: data %>% filter(g %in% c(“X Y”, “Z”) Did ...