| group_size {dplyr} | R Documentation |
Calculate group sizes.
group_size(x) n_groups(x)
x |
a grouped tbl |
Other grouping functions: group_by_all,
group_by, group_indices,
group_keys, group_map,
group_nest, group_rows,
group_trim, groups
if (require("nycflights13")) {
by_day <- flights %>% group_by(year, month, day)
n_groups(by_day)
group_size(by_day)
by_dest <- flights %>% group_by(dest)
n_groups(by_dest)
group_size(by_dest)
}