按q分组后,将分别从两个不同的w e列中提取两个最大值。
输入数据:
q <- c(503,503,503,503,503,503,503,503,503,503,503,503,503,510,510,510,510,510,510,510,510,510,510,510,510,525,526,526)
w <- c(56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56,56)
e <- c(26,26,26,26,26,27,28,28,28,28,28,28,2