Cannot install package XML to R

Question

I need to install the package \"XML\" to R. It always reports \"XML is not available for R(Version 3.1.1)\" I have tried to download the .tar but it still did\'n work. Can a

Answer 1

When installing on Windows, I have to first make sure the C:\Program Files\R\R-3.6.2\library folder was not read only and editable by the current user.

1. Navigate to C:\Program Files\R\R-3.6.2\
2. Right click on the library folder
3. Click Properties
4. Select the Security tab
5. Click the Edit... button
6. In Group or user names, select the Users row
7. In the Permissions for Users, ensure Full Control is checked

Then I had to run

install.packages("XML", type = "binary")

After this, running require(XML) worked.