Statistics > STUDY GUIDE > University of CincinnatiSTAT 1031Biostatistics HW5 (All)

University of CincinnatiSTAT 1031Biostatistics HW5

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20 BME 3060: Introduction to Biostatistics Homework #5 Download the data ‘studentdata’ from the package ‘LearnBayes.’ 1. Create a separate column labelled as ‘HoursSlept’ in the ‘stud ... entdata’ folder recording how many hours each student slept the previous night. Obtain summary statistics of all data in the enhanced ‘studentdata.’ 3 points Code: library(LearnBayes) data("studentdata") studentdata$HoursSlept= (studentdata$WakeUp- studentdata$ToSleep) dim(studentdata) head(studentdata) summary(studentdata) Summary statistics: Student Height Gender Shoes Min. : 1 Min. :54.0 female:435 Min. : 0.00 1st Qu.:165 1st Qu.:64.0 male :222 1st Qu.: 6.00 Median :329 Median :66.0 Median : 12.00 Mean :329 Mean :66.7 Mean : 15.42 3rd Qu.:493 3rd Qu.:70.0 3rd Qu.: 20.00 Max. :657 Max. :84.0 Max. :164.00 NA's :10 NA's :22 Number Dvds ToSleep WakeUp Min. : 1.00 Min. : 0.00 Min. :-2.500 Min. : 1.000 1st Qu.: 4.00 1st Qu.: 10.00 1st Qu.: 0.000 1st Qu.: 7.500 Median : 6.00 Median : 20.00 Median : 1.000 Median : 8.500 Mean : 5.67 Mean : 30.93 Mean : 1.001 Mean : 8.383 3rd Qu.: 7.00 3rd Qu.: 30.00 3rd Qu.: 2.000 3rd Qu.: 9.000 Max. :10.00 Max. :1000.00 Max. : 6.000 Max. :13.000 NA's :2 NA's :16 NA's :3 NA's :2 Haircut Job Drink HoursSlept Min. : 0.00 Min. : 0.00 milk :113 Min. : 2.500 1st Qu.: 10.00 1st Qu.: 0.00 pop :178 1st Qu.: 6.500 Median : 16.00 Median :10.50 water:355 Median : 7.500 Mean : 25.91 Mean :11.45 NA's : 11 Mean : 7.385 3rd Qu.: 30.00 3rd Qu.:17.50 3rd Qu.: 8.500 Max. :180.00 Max. :80.00 Max. :12.500 NA's :20 NA's :32 NA's :4 [Show More]

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