Group 별 data 개수 확인(balance check)
gmodels::CrossTable(mtcars$cyl)
gmodels::CrossTable(ToothGrowth$supp, ToothGrowth$dose)
data scientist
Group 별 data 개수 확인(balance check)
gmodels::CrossTable(mtcars$cyl)
gmodels::CrossTable(ToothGrowth$supp, ToothGrowth$dose)