Vector manipulation

Introduction to R for Finance

Lore Dirick

Manager of Data Science Curriculum at Flatiron School

Vectors and friends

dan <- 100
rob <- 50
total <- dan + rob

dan <- c(100, 200, 150)
rob <- c(50, 75, 100)

monthly_total <- dan + rob

monthly_total

150 275 250

sum(monthly_total)

a <- c(2.2, 12, 7)
b <- c(11.5, 8, 3.4)

# Subtraction!
c <- a - b
c

-9.3 4.0  3.6

# Multiplication!
d <- a * b
d

25.3 96.0 23.8

# Recycling!
e <- 2
f <- a * e
f

4.4 24.0 14.0

Introduction to R for Finance