我试图将"new_sp_m014"分成四列(new,var,sex,age).我使用了以下块:
task2 %>% separate(code, into = c("new","var","sex","age"), sep = "_")
并且结果适用于new ="new",var ="sp",但是sex ="m014",年龄是NA.
那我怎么能把"m014"分为sex ="m"和age ="014"呢？
r ×1