Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 1.57 11.91 15.34 16.02 19.40 63.58
Xsum %>%
sd %>%
round(2)
## [1] 5.7
Xsum %>%
`<=`(2) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## 111108 179046 388725 514636 560285 614676 868580 917061 965869
## 1.68 1.81 1.57 1.72 1.92 1.69 1.93 1.93 1.82
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "388725"
Plot


학번
Red |
19 |
42 |
55 |
77 |
37 |
173 |
52 |
Black |
19 |
44 |
52 |
77 |
34 |
179 |
51 |
단과대학
Red |
16 |
51 |
9 |
33 |
8 |
9 |
85 |
25 |
59 |
84 |
76 |
Black |
19 |
46 |
9 |
35 |
8 |
11 |
89 |
26 |
60 |
77 |
76 |