R Programming | Lecture 4 | Dataframes | If Else | For Loop | Apply Family

I cover R Programming concepts from first principles including: 1. Dataframes 2. Control flow: if, if else and else conditions. 3. Loops: for, while, repeat 4. Apply family: apply, lapply, tapply, sapply, by. Lecture Notes: https://docs.google.com/document/d/1rEGvtjr9gVpjbql6m23eUSZ5Na4v5IutKEO6HY2RBPM/edit?usp=sharing R Scripts: https://drive.google.com/drive/folders/124MT2YZ9CjW7okQftOrgxMYrnZvDc0h-?usp=drive_link