name Description
select() 选择列 # select(data, [-,start_with(), ends_with(),contains(),matches(),one_of()]olumn name, …)
filter() 行过滤 # filter(data, column name[>, <, >=, <=, !=, %in%] condition)
arrange() 整理行 # arrange(order, sleep_total) 排序
mutate() 新建列 # mutate(rem_proportion = sleep_rem / sleep_total)
summarise() 统计 # summarise(avg_sleep = mean(sleep_total))
group_by() 分组 # group_by(order)

功能类似于Linux的管道|一样