R语言：实现SQL的join功能的函数

library(dplyr)

ribao <- full_join(ribao,result,by = '渠道',copy = T)
ribao <- full_join(ribao,sec_result,by = '渠道',copy = T)
ribao <- full_join(ribao,thr_result,by = '渠道',copy = T)

还有left_join等函数