R 2.0|Basic Data Types and Variables

Zhenting HE / 2025-02-21

Basic Data Types and Variables #

Data Types #

  • Numeric: x <- 10
  • Character: name <- “KC”
  • Logical: flag <- TRUE
  • Vector: v <- c(1, 2, 3)
  • Factor: group <- factor(c(“A”, “B”))
  • List: mylist <- list(num=1, name=“KC”)
  • Data Frame: df <- data.frame(name=c(“Alice”,“Bob”), age=c(25,30))

Basic Operations #

Arithmetic # 

a <- 5
b <- 3
a + b
a - b
a * b
a / b
a^b

Logic Examples\
a > b
a == b
(a > b) & (b > 0)
(a > b) | (b < 0)
#R

Last modified on 2025-02-21