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 ejercicio forma parte del curso
Sampling in R
Ejercicio interactivo práctico
Prueba este ejercicio y completa el código de muestra.
# Get unique JobRole values
job_roles_pop <- ___
# Randomly sample four JobRole values
job_roles_samp <- ___
# See the result
job_roles_samp