Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 10.31 26.35 31.49 32.06 36.96 77.12
Xsum %>%
sd %>%
round(2)
## [1] 8
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## named numeric(0)
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "8012"
Plot


학번
Red |
19 |
41 |
49 |
80 |
62 |
165 |
86 |
Black |
27 |
41 |
64 |
81 |
54 |
157 |
79 |
e-mail 서비스업체
Red |
401 |
80 |
21 |
Black |
412 |
69 |
22 |
전화번호의 분포
Red |
47 |
49 |
46 |
53 |
50 |
45 |
50 |
61 |
45 |
56 |
Black |
43 |
47 |
45 |
49 |
46 |
45 |
55 |
65 |
50 |
58 |
성씨 분포
Red |
101 |
83 |
39 |
27 |
23 |
229 |
Black |
102 |
85 |
32 |
23 |
22 |
239 |
단과대학
Red |
15 |
49 |
15 |
15 |
29 |
11 |
103 |
18 |
51 |
112 |
84 |
Black |
15 |
57 |
12 |
16 |
33 |
13 |
95 |
20 |
54 |
102 |
86 |