First R Lab
Nathan Clearwaters
2025-05-18
#Reflection Questions
How was the install process? Anything I should know for future students?
Nothing. The process was perfect and direct.
Have you used statiscal software before?
I have. I used software in stats class and intro to data analysis class.
#Installing New Packages
#install.packages("psych")
#install.packages("psychTools")#Calling packages
library(psych)
library(psychTools)#Call in sample data “epi.bdi” from the psychTools package
data("epi.bfi")
summary(epi.bfi)## epiE epiS epiImp epilie
## Min. : 1.00 Min. : 0.000 Min. :0.000 Min. :0.000
## 1st Qu.:11.00 1st Qu.: 6.000 1st Qu.:3.000 1st Qu.:1.000
## Median :14.00 Median : 8.000 Median :4.000 Median :2.000
## Mean :13.33 Mean : 7.584 Mean :4.368 Mean :2.377
## 3rd Qu.:16.00 3rd Qu.: 9.500 3rd Qu.:6.000 3rd Qu.:3.000
## Max. :22.00 Max. :13.000 Max. :9.000 Max. :7.000
## epiNeur bfagree bfcon bfext
## Min. : 0.00 Min. : 74.0 Min. : 53.0 Min. : 8.0
## 1st Qu.: 7.00 1st Qu.:112.0 1st Qu.: 99.0 1st Qu.: 87.5
## Median :10.00 Median :126.0 Median :114.0 Median :104.0
## Mean :10.41 Mean :125.0 Mean :113.3 Mean :102.2
## 3rd Qu.:14.00 3rd Qu.:136.5 3rd Qu.:128.5 3rd Qu.:118.0
## Max. :23.00 Max. :167.0 Max. :178.0 Max. :168.0
## bfneur bfopen bdi traitanx
## Min. : 34.00 Min. : 73.0 Min. : 0.000 Min. :22.00
## 1st Qu.: 70.00 1st Qu.:110.0 1st Qu.: 3.000 1st Qu.:32.00
## Median : 90.00 Median :125.0 Median : 6.000 Median :38.00
## Mean : 87.97 Mean :123.4 Mean : 6.779 Mean :39.01
## 3rd Qu.:104.00 3rd Qu.:136.5 3rd Qu.: 9.000 3rd Qu.:44.00
## Max. :152.00 Max. :173.0 Max. :27.000 Max. :71.00
## stateanx
## Min. :21.00
## 1st Qu.:32.00
## Median :38.00
## Mean :39.85
## 3rd Qu.:46.50
## Max. :79.00#Run the histogram and mean functions on “bdi” variable
hist(epi.bfi$bdi)
mean(epi.bfi$bdi)## [1] 6.779221##This is the end of the first R lab – we did it!