getwd()
这个函数用于显示当前工作空间的路径。
setwd()
用于重新设置当前工作文件夹。
list.files()
列出当前文件夹的子目录。
list.files(path = " . ")
列出指定路径的子目录。
source("***.R")
加载R文件
> getwd()
[1] "C:/Users/Cheryl/Documents"
> list.files()
[1] "Aboboo" "desktop.ini" "GitHub" "My Music"
[5] "My Pictures" "My Videos" "Outlook 文件" "R"
[9] "WeChat Files" "我的数据源" "自定义 Office 模板"
> setwd("E:\Slides\Geostatistics & Geomarketing")
Error: '\S' is an unrecognized escape in character string starting ""E:\S"
> setwd("E:/Slides/Geostatistics & Geomarketing")
> list.files()
[1] "2015_Exercise_01.docx"
[2] "2015_Exercise_01.pdf"
[3] "2015_Exercise_01_Christian_Strobl.pdf"
[4] "data"
[5] "Geostatistics_and_Geomarketing_2015_01.pdf"
[6] "Geostatistics_and_Geomarketing_2015_02.pdf"
[7] "Google's R Style Guide.pdf"
[8] "R-3.2.2-win.exe"
[9] "Syllabus_Geostatistics_Geomarketing_WS_15_16.pdf"