Studenten2 <-
structure(list(Abiturnote = c(1.6, 1.4, 1, 1.8, 1.1, 1.8, 2, 
1.8, 1.5, 1.1, 1, 1.5, 1.8, 1, 1.5, 2.7, 1.6, 1.8, 1.7, 1.7, 
1.6, 1.7, 1, 1.8, 1.8, 1.9, 1.7, 1, 1.4, 1.5, 3, 1.3, 1.6, 1.5, 
1.6, 1.7, 1.5, 1.8, 2, 1.8, 1.8, 1.8, 2.4, 1.8, 1.8, 1.3, 1.9, 
2.5, 1.4, 3.1, 1.1, 1.2, 2.3, 1.8, 1.3, 1.4, 1.4, 2.6, 2, 1.9, 
2.1, 1, 1.2, 1.3, 2.4, 1.4, 1.7, 1.6, 1.6, 1.1, 1.5, 1.8, 1.7, 
1.7, 1, 1.9, 1.9, 1.7, 1.5, 1.2, 1.5, 1, 1.7, 1.1, 1.7, 1.3, 
1.2, 1.8, 1.6, 1.5, 1.9, 1.7, 1.2, NA, 1.8, 1.7, 1.6, 1, 1.2, 
2.8, 1.7, 2.4, 1.1, 1, 1.7, 1.4, 2, 1.8, 2.1, 2.1, 1.7, NA, 1.6, 
1.1, 1.5, 1, 1.4, 1.6, 1.7, 1.5, 1, 1.4, 1.3, 1.1, 1.3, 1.1, 
1.1, 1.8, 1, 1.2, 1.8, 1.4, 1.6, 1.4, 1.5, 1.9, 1.4, 2.2, 1.5, 
1.2, 1.4, 1.2, 1.6, 1.6, 1.3, 2.2, 1.9, 1.3, 1.5, 1.8, 1.6, 1.6, 
1, 1.6, 1.7, 1.7, 1.5, 1.3, 1.5, 1, 1.7, 1, NA, 2.3, 1.4, 1.2, 
2.2, 2.7, 2, 1, 1.1, 1.6, 2.2, 1.7, 1.6, 1.9, 1.2, 1.7, 1.9, 
1.7, 1.2, 1.4, 1.5, 2.2, 1.2, 1, 2, 1.2, 2.1, 1.7, 1.6, 1, 2, 
2, 2.8, 1, 1.3, 1.6, 3.1, NA, 1.1, 1, 1.5, 1.7, 1.5, 1.7, 2.4, 
1.8, 2, 1.5, 1.8, 1.9, 1.7, 1.9), Alter = c(20, 20, 19, 20, 19, 
20, 22, 18, 18, 18, 20, 20, 19, 18, 19, 25, 21, 25, 19, 20, 19, 
18, 21, 20, 18, 18, 21, 20, 20, 23, 22, 19, 20, 21, 20, 20, 20, 
19, NA, 20, 20, 20, 21, 19, 21, 20, 22, 19, 20, 26, 19, 18, 23, 
19, 20, 20, 22, 21, 21, 20, 22, 20, 20, 18, 22, 19, 24, 19, 19, 
20, 19, 20, 19, NA, NA, 21, 20, 18, 19, 22, 20, 18, 19, 19, 20, 
23, 22, 22, 20, 20, 23, 20, 21, NA, 20, 19, 19, 20, 21, 23, 21, 
21, 18, 20, 20, 20, 30, 21, 23, 22, 19, 23, 19, 21, 20, 20, 20, 
19, 20, 21, 20, 19, 19, 22, 20, 20, 20, 22, 19, 18, 22, 21, 20, 
19, 21, 18, 19, 23, 20, 23, 21, 19, 18, 18, 18, 20, 20, 20, 21, 
21, 20, 20, 19, 19, 20, 17, 20, 19, 21, 20, 20, 20, 22, 21, 19, 
19, 22, 23, 20, 20, 20, 19, 23, 19, 19, 23, 19, 18, 19, 19, 20, 
19, 18, 22, 18, 19, 21, 25, 18, 18, 20, 18, 22, 24, 23, 21, 21, 
19, 25, 19, 20, 19, 20, 20, 20, 20, 22, 24, 20, 20, 19, 22, 22, 
19), Master = c(2, 2, 2, 1, 1, 2, 2, 0, 1, 2, 2, -1, 2, 1, 2, 
0, 2, 0, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 0, 1, 0, 1, 1, 2, 2, 2, 
2, 0, 1, 1, -1, 1, 1, 1, 1, 2, 2, 2, 1, -1, 2, 2, 0, 2, 2, 2, 
0, 0, -1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 1, 
1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 1, 0, 0, 2, 2, NA, 2, 1, 
2, 2, 1, 0, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 0, 2, 1, 2, 1, 
0, 2, 2, 2, 0, 1, 0, 2, 2, 1, -1, 2, 2, -1, 2, 2, 2, 2, 2, 1, 
1, 2, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1, 0, 2, 2, 1, 1, 0, 2, 1, 
0, 2, 2, 2, NA, 0, 1, 2, 1, 0, 2, 1, 1, 1, 1, 1, 2, 2, 2, 1, 
1, 1, 2, 1, 2, 2, 0, 2, 0, 2, 0, -1, 2, 2, 1, 0, 1, 2, 2, 2, 
0, 2, 2, 2, 1, 1, 2, 2, 2, 0, 1, 2, 1, 2, 2, 2)), .Names = c("Abiturnote", 
"Alter", "Master"), row.names = c(NA, -214L), class = "data.frame")