2.13 Chapter 2 Review Questions 2

NutritionStudy contains data for 315 patients at a hospital who had a noncancerous growth removed through surgery. It includes the following variables:

  • ID ID number for each subject in this sample
  • Age Subject's age (in years)
  • Vitamin Vitamin use: 1=Regular, 2=Occasional, or 3=No
  • Calories Number of calories consumed per day
  • Fat Grams of fat consumed per day
  • Fiber Grams of fiber consumed per day
  • Alcohol Number of alcoholic drinks consumed per week
  • Cholesterol Cholesterol consumed per day, in mg
  • Gender Coded as Female or Male
  • EverSmoke Smoking status: Never, Former, or Current

Here's the result from running head(NutritionStudy):

Data frame output
row Age Vitamin Calories Fat Fiber Alcohol Cholesterol Gender EverSmoke
16411298.857.06.30.0170.3FemaleFormer
27611032.550.115.80.075.8FemaleNever
33822372.383.619.114.1257.9FemaleFormer
44032449.597.526.50.5332.6FemaleFormer
57211952.182.616.20.0170.8FemaleNever
64031366.956.09.61.3154.6FemaleFormer

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