/topmaintainers.R
Last active Mar 23, 2018
| library(tidyverse) | |
| library(stringr) | |
| library(stringi) | |
| simplify_name <- function(n) | |
| ## Extract just the name, removing any quotes, and normalize accented characters | |
| stri_trans_general(str_trim(str_match(n,"^[\'\"]?([^\'\",(<]+).*<")[,2]),"latin-ascii") | |
| pkglist <- tools::CRAN_package_db() | |
| pkglist <- tbl_df(pkglist[-40]) ## remove duplicate MD5sum column | |
| pkglist %>% | |
| select(Maintainer, Author, Package) %>% | |
| arrange(Maintainer) -> authors | |
| authors %>% | |
| transmute(Maint = simplify_name(Maintainer)) %>% | |
| group_by(Maint) %>% | |
| tally %>% arrange(desc(n)) -> topauthors | |
| as.data.frame(head(topauthors,20)) |
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