Performing cluster sampling
Now that you know when to use cluster sampling, it's time to put it into action. In this exercise you'll explore the JobRole column of the attrition dataset. You can think of each job role as a subgroup of the whole population of employees.
attrition_pop is available; dplyr is loaded.
Este exercício faz parte do curso
Sampling in R
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Get unique JobRole values
job_roles_pop <- ___
# Randomly sample four JobRole values
job_roles_samp <- ___
# See the result
job_roles_samp