处理空格和“怪异"dplyr::rename() 列名中的字符

问题描述

我的表格有这样困难的标题:

I have table with difficult headers like this:

  Subject  Cat Nbr  Title       Instruction..Mode!
1 XYZ      101      Intro I     ONLINE
2 XYZ      102      Intro II    CAMPUS
3 XYZ      135      Advanced    CAMPUS

我想用 dplyr::rename()

df %>%
 rename(subject = Subject, 
        code = Cat Nbr, 
        title = title, 
        mode = Instruction..Mode!)

但我收到一个 Error: unexpected symbol in:

我该如何协调?

推荐答案

要引用包含非标准字符或以数字开头的变量，请将名称用反引号括起来，例如，`Instruction..Mode!`

To refer to variables that contain non-standard characters or start with a number, wrap the name in back ticks, e.g., `Instruction..Mode!`

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