animalhealth            Simulated animal health data (MCAR)
companydata             Simulated company data (MNAR)
healthcheck             Simulated health check data (MAR)
mar                     Missing at random (MAR) test
mcar                    Little's missing completely at random (MCAR)
                        test
mnar                    Missing not at random (MNAR) classification
pollutionlevels         Simulated pollution level data (MCAR)
testscores              Simulated test scores data
