library('groundhog') #Get dependencies of tidyverse snowball=get.snowball('tidyverse','2023-02-25') #Get database with all package updates used by groundhog cran.toc=groundhog:::.pkgenv[['cran.toc']] #Keep entries in database that were published after 2022-01-01, before 2022-04-23 (when post was written) and are dependencies of Tidyverse dependency.updates = subset(cran.toc,Package %in% snowball$pkg & Published>"2022-01-01" & Published<"2022-04-23") #Count rows nrow(dependency.updates)