What difference between Project and Script

Project: A folder with a .Rproj file in it.

Script: A .R file.

Why download so slow?

Setting CRAN mirror in China.

Tools -> Global Options -> Packages ->Management

Best CRAN: Hefei > Lanzhou > Beijing

A temporary solution:

options("repos" = c(CRAN="https://mirrors.ustc.edu.cn/CRAN/"))

The Hidden Secrets of information:

What difference between error, warning and message?

Why the package failed to install?

Permission denied:

Just delete and restart rstudio for windows.

C++ error:

Install Rtools for windows.

Linux: the best system around world!

Using Linux Desktop Distribution

Ubuntu Desktop 18.04 and 20.04.

Not just R

GithubDesktop for git.

VS code for anything.

Typora and Notepad-- for markdown.

Learn More

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