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Exercise

Question 1

The nc data frame contains observations on 13 different variables, some categorical and some numerical. The meaning of each variable is as follows:

  • fage: father's age in years.
  • mage: mother's age in years.
  • mature: maturity status of mother.
  • weeks: length of pregnancy in weeks.
  • premie: whether the birth was classified as premature (premie) or full-term.
  • visits: number of hospital visits during pregnancy.
  • marital: whether mother is married or not married at birth.
  • gained: weight gained by mother during pregnancy in pounds.
  • weight: weight of the baby at birth in pounds.
  • lowbirthweight: whether baby was classified as low birthweight (low) or not (not low).
  • gender: gender of the baby, female or male.
  • habit: status of the mother as a nonsmoker or a smoker.
  • whitemom: whether mom is white or not white.

There are 1,000 cases in this data set, what do the cases represent?

Instructions

50 XP

Possible answers