deug {ade4} | R Documentation |
This data set gives the exam results of 104 students in the second year of a French University onto 9 subjects.
data(deug)
deug
is a list of three components.
is a data frame with 104 students and 9 subjects : Algebra, Analysis, Proba, Informatic, Economy, Option1, Option2, English, Sport.
is a factor of 104 components giving the final exam levels (A+, A, B, B-, C-, D).
is a vector of required marks by subject to get exactly 10/20 with a coefficient.
University of Lyon 1
data(deug) # decentred PCA pca1 <- dudi.pca(deug$tab, scal = FALSE, center = deug$cent, scan = FALSE) if(adegraphicsLoaded()) { g1 <- s.class(pca1$li, deug$result, plot = FALSE) g2 <- s.arrow(40 * pca1$c1, plot = FALSE) G <- superpose(g1, g2, plot = TRUE) } else { s.class(pca1$li, deug$result) s.arrow(40 * pca1$c1, add.plot = TRUE) }