1st R LAB
FATOU MBENGUE
2026-05-19
#Reflection Questions
How was the installation process? anything I should know for future students
It was hard becasue It was not working but if its nit working just let the student know that completing delating everthing and starting over works
Have you used statisical sofware before
Yes I have used SPSS
#Installing New packages
#install.packages("psych")
#install.packages("psychotools")#calling packages
library(psych)
library(psychotools)#call in sample packages data “epi.bfi” from psychTools package
data("bfi")
summary(bfi)## A1 A2 A3 A4 A5
## Min. :1.000 Min. :1.000 Min. :1.000 Min. :1.0 Min. :1.00
## 1st Qu.:1.000 1st Qu.:4.000 1st Qu.:4.000 1st Qu.:4.0 1st Qu.:4.00
## Median :2.000 Median :5.000 Median :5.000 Median :5.0 Median :5.00
## Mean :2.413 Mean :4.802 Mean :4.604 Mean :4.7 Mean :4.56
## 3rd Qu.:3.000 3rd Qu.:6.000 3rd Qu.:6.000 3rd Qu.:6.0 3rd Qu.:5.00
## Max. :6.000 Max. :6.000 Max. :6.000 Max. :6.0 Max. :6.00
## NAs :16 NAs :27 NAs :26 NAs :19 NAs :16
## C1 C2 C3 C4 C5
## Min. :1.000 Min. :1.00 Min. :1.000 Min. :1.000 Min. :1.000
## 1st Qu.:4.000 1st Qu.:4.00 1st Qu.:4.000 1st Qu.:1.000 1st Qu.:2.000
## Median :5.000 Median :5.00 Median :5.000 Median :2.000 Median :3.000
## Mean :4.502 Mean :4.37 Mean :4.304 Mean :2.553 Mean :3.297
## 3rd Qu.:5.000 3rd Qu.:5.00 3rd Qu.:5.000 3rd Qu.:4.000 3rd Qu.:5.000
## Max. :6.000 Max. :6.00 Max. :6.000 Max. :6.000 Max. :6.000
## NAs :21 NAs :24 NAs :20 NAs :26 NAs :16
## E1 E2 E3 E4
## Min. :1.000 Min. :1.000 Min. :1.000 Min. :1.000
## 1st Qu.:2.000 1st Qu.:2.000 1st Qu.:3.000 1st Qu.:4.000
## Median :3.000 Median :3.000 Median :4.000 Median :5.000
## Mean :2.974 Mean :3.142 Mean :4.001 Mean :4.422
## 3rd Qu.:4.000 3rd Qu.:4.000 3rd Qu.:5.000 3rd Qu.:6.000
## Max. :6.000 Max. :6.000 Max. :6.000 Max. :6.000
## NAs :23 NAs :16 NAs :25 NAs :9
## E5 N1 N2 N3
## Min. :1.000 Min. :1.000 Min. :1.000 Min. :1.000
## 1st Qu.:4.000 1st Qu.:2.000 1st Qu.:2.000 1st Qu.:2.000
## Median :5.000 Median :3.000 Median :4.000 Median :3.000
## Mean :4.416 Mean :2.929 Mean :3.508 Mean :3.217
## 3rd Qu.:5.000 3rd Qu.:4.000 3rd Qu.:5.000 3rd Qu.:4.000
## Max. :6.000 Max. :6.000 Max. :6.000 Max. :6.000
## NAs :21 NAs :22 NAs :21 NAs :11
## N4 N5 O1 O2 O3
## Min. :1.000 Min. :1.00 Min. :1.000 Min. :1.000 Min. :1.000
## 1st Qu.:2.000 1st Qu.:2.00 1st Qu.:4.000 1st Qu.:1.000 1st Qu.:4.000
## Median :3.000 Median :3.00 Median :5.000 Median :2.000 Median :5.000
## Mean :3.186 Mean :2.97 Mean :4.816 Mean :2.713 Mean :4.438
## 3rd Qu.:4.000 3rd Qu.:4.00 3rd Qu.:6.000 3rd Qu.:4.000 3rd Qu.:5.000
## Max. :6.000 Max. :6.00 Max. :6.000 Max. :6.000 Max. :6.000
## NAs :36 NAs :29 NAs :22 NAs :28
## O4 O5 gender education age
## Min. :1.000 Min. :1.00 Min. :1.000 Min. :1.00 Min. : 3.00
## 1st Qu.:4.000 1st Qu.:1.00 1st Qu.:1.000 1st Qu.:3.00 1st Qu.:20.00
## Median :5.000 Median :2.00 Median :2.000 Median :3.00 Median :26.00
## Mean :4.892 Mean :2.49 Mean :1.672 Mean :3.19 Mean :28.78
## 3rd Qu.:6.000 3rd Qu.:3.00 3rd Qu.:2.000 3rd Qu.:4.00 3rd Qu.:35.00
## Max. :6.000 Max. :6.00 Max. :2.000 Max. :5.00 Max. :86.00
## NAs :14 NAs :20 NAs :223#run the histogram on bdi function
hist (bfi$A3)
mean(bfi$A3)## [1] NA#this is the end of the first r lab