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University of CincinnatiSTAT 1031Biostatistics HW9

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20 BME 3060: Introduction to Biostatistics HW#9 Home Work Sheet No. 9 Due date: July 21, 2020 Maximum points: 30 Theme: Multiple regression Download and activate the package ‘UsingR.’ Download ... the data ‘fat.’ 1. What is the dimension of the data? 1 point Code: install.packages("UsingR") library(UsingR) data("fat") dim(fat) dimension of the data: [1] 252 19 ( 252 rows and 19 column) 2. The case 42 is of concern. His height is 29.5 inches (< 2 feet 6 inches) but his BMI is 29.9. How could this be possible? Is he a dwarf? Let us do some data sleuthing. a. Pull out his record (> fat[42, ]). Code: Man42= fat[42, ] Man42 Data: b. Convert his height into meters. Code: Man422= data.frame(height= Man42$height/39.37, weight= Man42$weight/2.205) output: [Show More]

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