我想知道如何添加 & weeks == 1
到s
结束下面?
s <- substitute(type == 1 & ESL == 1 & prof == T) # A `call` object
# Tried the following to add "& weeks == 1" to end of `s` without success:
c(s, "& weeks == 1")
期望输出如下所示的调用对象:
type == 1 & ESL == 1 & prof == T & weeks == 1
最佳答案
这可以在不使用 bquote
仅在语言级别转换为文本的情况下完成:
bquote(.(s) & weeks == 1)
## type == 1 & ESL == 1 & prof == T & weeks == 1
关于r - 将元素添加到 R 中的调用对象,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58455195/