R 而外观结果没有打印出来
在下面没有显示结果时,有人能帮我吗R 而外观结果没有打印出来,r,R,在下面没有显示结果时,有人能帮我吗 col_name <- c("A", "B", "C", "D") i <- 1 while (i < length(col_name)) { col_name[i] i = i+1 } 它需要打印 while (i < length(col_name)) { print(col_name[i]) i = i+1 } #[1] "A" #[1] "B" #[1] "C" while(i
col_name <- c("A", "B", "C", "D")
i <- 1
while (i < length(col_name)) {
col_name[i]
i = i+1
}
它需要
打印
while (i < length(col_name)) {
print(col_name[i])
i = i+1
}
#[1] "A"
#[1] "B"
#[1] "C"
while(i
如果我们需要存储输出,初始化一个对象并更新
out <- c()
i <- 1
while (i < length(col_name)) { out <- c(out, col_name[i]); i = i+1}
out
#[1] "A" "B" "C"
out我知道:)但这是我想在shiny中使用的东西。所以如果我使用打印。它在R控制台中打印,而不是在application:)@imranp中。如果要存储输出,请创建一个对象。更新了帖子
out <- c()
i <- 1
while (i < length(col_name)) { out <- c(out, col_name[i]); i = i+1}
out
#[1] "A" "B" "C"