R - basics
- Background
- Alternatives
- Install R
- Install R Studio
- Launch interactive R, get help, and quit
- Running R on the command line using Rscript
- Comments
- R and simple math operations
- R variables
- R assignment (left-assignment, right-assignment)
- Variable types (numeric, character, logical, function)
- Variable types are deducted
- paste (join) strings and numbers together
- Operator preference order and parentheses
- Operators comparing numbers
- Operators comparing strings (characters)
- Convert string (character) to numeric
- Boolean (logical) operations
- Concatenate strings
- Convert between types using as.
- Printing with cat