#### → comments

2+2 → addition operation

• similar for - * /

Creating Variables

• x <- 2
• y = 4
  • == is the logical operator, = **is the assignment operator
• 3 -> z
• this_is_my.NEW.variable123 = w
• b = "buffalo"
• a = 'apple'
• truth = TRUE
  • TRUE(1) and FALSE(0) are reserved words in R
• missing = NA
  • missing values are assigned the value of NA
  • missing + 1 -> NA

Logical Operators

• tend to be T/F statements
  • t > 9000
  • 2 <= 2
  • z != 5
• | or operator
• & and operator

Vectors

x = c(1,2,3,4,5,6,7,8)

• c() acts as a function to store values
• 19:42 generates a similar output (handy for loops)