Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 11.51 26.29 31.22 32.05 36.82 66.53
Xsum %>%
sd %>%
round(2)
## [1] 8.17
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## named numeric(0)
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "585"
Plot


학번
Red |
24 |
38 |
54 |
78 |
61 |
171 |
76 |
Black |
22 |
44 |
59 |
83 |
55 |
151 |
89 |
e-mail 서비스업체
Red |
408 |
75 |
19 |
Black |
405 |
74 |
24 |
전화번호의 분포
Red |
45 |
47 |
48 |
53 |
50 |
44 |
46 |
63 |
45 |
61 |
Black |
45 |
49 |
43 |
49 |
46 |
46 |
59 |
63 |
50 |
53 |
성씨 분포
Red |
109 |
83 |
33 |
23 |
25 |
229 |
Black |
94 |
85 |
38 |
27 |
20 |
239 |
단과대학
Red |
16 |
54 |
14 |
14 |
30 |
13 |
99 |
20 |
50 |
111 |
81 |
Black |
14 |
52 |
13 |
17 |
32 |
11 |
99 |
18 |
55 |
103 |
89 |