Practice datasets
interro.Rd
`interroA.csv` and `interroB.csv` are two comme-separated spreadsheets that provide made-up data about student test restults.
A data frame with 100 observations on the following 8 variables.
id
student identifer.
height
student heights (in cm).
gender
F
orM
.X
a vector of random data drawn from N(0, 1).
interro1
a numeric vector with test scores.
interro2
a numeric vector with test scores.
interro3
a numeric vector with test scores.
interro4
a numeric vector with test scores.
The `interroC` data contains results for results for 3 new tests for 15 students, including a subset of students in `interroA`.
`interroL` is a long format containing all results from `interroA` and `interroB`.
Examples
f <- interroA.csv()
interroA <- read.csv(f)
head(interroA)
#> id height gender X interro1 interro2 interro3 interro4
#> 1 A74890 168 M 1.4304023 16 18 7 10
#> 2 A85494 167 M 1.0466288 15 18 13 NA
#> 3 A51820 166 M 0.4352889 4 10 NA 7
#> 4 A98669 164 M 0.7151784 15 15 18 13
#> 5 A75521 171 M 0.9171749 18 10 17 NA
#> 6 A96704 178 F -2.6609228 11 20 14 17
f2 <- interro2.rds()
readRDS(f2)
#> noma interro1 interro2 interro3 interro4
#> 1 836016120449 6 3 NA 3
#> 2 596844884419 1 4 2 8
#> 3 803259953398 2 2 9 1
#> 4 658786759629 3 1 3 2
#> 5 571155022756 4 9 1 4
#> 6 576037886365 8 7 8 7
#> 7 045086625199 9 6 7 6
#> 8 621909979467 5 8 4 5
#> 9 457029205538 7 5 6 9
#> 10 402526220817 NA 10 5 10