data("adult")
# Find complete cases.
adult <- adult[complete.cases(adult), ]
# Show level attributes for binary and discrete variables.
levels(adult[["Type"]])
levels(adult[["Workclass"]])
levels(adult[["Education"]])
levels(adult[["Marital.Status"]])
levels(adult[["Occupation"]])
levels(adult[["Relationship"]])
levels(adult[["Race"]])
levels(adult[["Sex"]])
levels(adult[["Native.Country"]])
levels(adult[["Income"]])
save(adult, file = "adult_complete_cases.rda")
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