GPA and GRE

An education researcher is interested in how variables, such as GRE (Graduate Record Exam scores), GPA (grade point average) and prestige of the undergraduate institution (Rank), influence admission into graduate school (Admit).

Read data

dta <- read.csv("https://stats.idre.ucla.edu/stat/data/binary.csv")

view the first few rows of the data

head(dta)

##   admit gre  gpa rank
## 1     0 380 3.61    3
## 2     1 660 3.67    3
## 3     1 800 4.00    1
## 4     1 640 3.19    4
## 5     0 520 2.93    4
## 6     1 760 3.00    2

library(lattice)
xyplot(gre ~ gpa | factor(rank), data = dta, type = c("g","p","r"), layout = c(4, 1))

Adapted from

https://stats.idre.ucla.edu/r/dae/logit-regression/

End