我在R-3.3.0上并设置了RStudio。这是我尝试在RStudio中找到版本时得到的输出
> version
_
platform x86_64-w64-mingw32
arch x86_64
os mingw32
system x86_64, mingw32
status
major 3
minor 3.0
year 2016
month 05
day 03
svn rev 70573
language R
version.string R version 3.3.0 (2016-05-03)
nickname Supposedly Educational
我想将其更改为指向我在我的机器中安装的R-2.5.1实例。我该怎么做？