Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 15.90 27.78 31.55 32.24 37.21 56.50
Xsum %>%
sd %>%
round(2)
## [1] 7.36
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## named numeric(0)
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "15"
Plot


학번
Red |
10 |
18 |
36 |
44 |
39 |
61 |
251 |
Black |
14 |
27 |
39 |
48 |
35 |
64 |
233 |
e-mail 서비스업체
Red |
349 |
100 |
10 |
Black |
350 |
96 |
14 |
전화번호의 분포
Red |
42 |
53 |
41 |
52 |
47 |
41 |
43 |
49 |
39 |
52 |
Black |
39 |
46 |
52 |
50 |
39 |
40 |
48 |
49 |
50 |
47 |
성씨 분포
Red |
95 |
71 |
44 |
22 |
14 |
213 |
Black |
104 |
67 |
36 |
24 |
19 |
210 |
단과대학
Red |
32 |
40 |
8 |
24 |
9 |
9 |
99 |
9 |
54 |
83 |
92 |
Black |
27 |
50 |
6 |
28 |
15 |
8 |
103 |
10 |
46 |
78 |
89 |