Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 1.23 11.96 15.38 16.03 19.40 60.50
Xsum %>%
sd %>%
round(2)
## [1] 5.63
Xsum %>%
`<=`(2) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## 23461 108349 145303 157467 186348 244551 627133 906587 966039
## 1.97 1.71 1.63 1.98 1.79 1.90 1.46 1.23 1.77
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "906587"
Plot


학번
Red |
14 |
28 |
48 |
40 |
34 |
47 |
195 |
Black |
12 |
28 |
52 |
43 |
37 |
43 |
192 |
단과대학
Red |
21 |
48 |
8 |
26 |
8 |
8 |
85 |
45 |
36 |
48 |
73 |
Black |
20 |
52 |
9 |
25 |
7 |
7 |
84 |
44 |
38 |
47 |
74 |