Console & arithmetic

2 + 3
10 / 4
sqrt(16)
log(10, base = 10)

Objects & assignment

x <- 5
y <- 2 * x
y
class(y)

Vectors

v <- c(2, 4, 6, 8)
v + 1
mean(v); sd(v)

Try it

• Create a vector with temperatures in °C and convert to °F using vectorized math.
• Compute its mean and standard deviation.