01_data_frame_exercise.R

names      <- c("Jeff", "Sandy", "Tom", "Patrick", "Tina", "Maria")
sex        <- c("m", "f", "m", "m", "f", "f")
height     <- c(180, 181, 177, 188, 170, 172)
weight     <- c(80, 70, 81, 100, 50, 62)
age        <- c(18, 21, 50, 35, 31, 45)

df <- data.frame(names, sex, height, weight, age)