R语言中利用supply函数提取列表中元素。
1、测试1
a <- c("3_k","4_f","2_t","8_s")
a
b <- strsplit(a, "_")
b
class(b)
c <- sapply(b, "[",1)
c
d <- sapply(b, "[",2)
d
R语言中利用supply函数提取列表中元素。
1、测试1
a <- c("3_k","4_f","2_t","8_s")
a
b <- strsplit(a, "_")
b
class(b)
c <- sapply(b, "[",1)
c
d <- sapply(b, "[",2)
d