错误:在以“C:\R"开头的字符串中，“\R"是无法识别的转义符； [英] Error: '\R' is an unrecognized escape in character string starting "C:\R"

问题描述

我运行的是 Windows XP Pro 并且 R 版本 2.15.1 R 安装在以下文件夹中:

I am running Windows XP Pro and R Version 2.15.1 R is installed in the following folder:

C:\Program Files\R\R-2.15.1

C:\Program Files\R\R-2.15.1

我正在尝试创建一个读取 .csv 文件的函数，如下所示:

I am trying to create a function that reads in a .csv file like so:

xxx <- function(id, directory, summarize = FALSE) {
    data <- read.table('C:\xxx\classes\R_Prog\specdata\data.csv')
    head(data)
}

我收到错误

错误:'\R' 是字符串中以C:\R"开头的无法识别的转义

Error: '\R' is an unrecognized escape in character string starting "C:\R"

我的目录结构/文件夹命名约定有问题吗?

Is there a problem with my directory structure / folder naming conventions?

推荐答案

你必须对 \ 进行转义，因为它本身就是一个转义字符.

You have to escape the \ since it is itself an escape character.

read.table('C:\\xxx\\classes\\R_Prog\\specdata\\data.csv') head(data) }

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