Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 12.25 26.26 31.18 32.07 37.46 66.33
Xsum %>%
sd %>%
round(2)
## [1] 8.3
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## named numeric(0)
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "654"
Plot


학번
Red |
11 |
24 |
41 |
46 |
42 |
57 |
238 |
Black |
13 |
21 |
34 |
46 |
32 |
68 |
246 |
e-mail 서비스업체
Red |
350 |
95 |
14 |
Black |
349 |
101 |
10 |
전화번호의 분포
Red |
39 |
47 |
48 |
55 |
43 |
43 |
37 |
51 |
43 |
53 |
Black |
42 |
52 |
45 |
47 |
43 |
38 |
54 |
47 |
46 |
46 |
성씨 분포
Red |
95 |
70 |
37 |
23 |
17 |
217 |
Black |
104 |
68 |
43 |
23 |
16 |
206 |
단과대학
Red |
30 |
45 |
8 |
27 |
12 |
7 |
102 |
9 |
47 |
80 |
92 |
Black |
29 |
45 |
6 |
25 |
12 |
10 |
100 |
10 |
53 |
81 |
89 |