R language learning notes 1

Reference material ：https://www.runoob.com/r/r-tutorial.html

1.R Differences between language and other programming languages （python）

• R The language assignment uses the left arrow <- Symbol ;
• R Language variable names start with letters or dots , Such as var.name,.var_name;
• R The language creation factor uses factor() function , Vector as input parameter , Used to store different types of data ;

2. Installation package
https://www.tutorialgateway.org/install-r-packages/
install R Packages from Github：https://blog.csdn.net/qq_32649321/article/details/120038222