Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 8.35 26.32 31.32 32.00 36.95 89.71
Xsum %>%
sd %>%
round(2)
## [1] 7.97
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## 65990
## 8.35
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "65990"
Plot


학번
Red |
10 |
24 |
36 |
51 |
37 |
61 |
240 |
Black |
14 |
21 |
39 |
41 |
37 |
64 |
244 |
e-mail 서비스업체
Red |
354 |
93 |
12 |
Black |
345 |
103 |
12 |
전화번호의 분포
Red |
36 |
51 |
48 |
54 |
41 |
42 |
47 |
50 |
43 |
47 |
Black |
45 |
48 |
45 |
48 |
45 |
39 |
44 |
48 |
46 |
52 |
성씨 분포
Red |
100 |
65 |
43 |
23 |
17 |
211 |
Black |
99 |
73 |
37 |
23 |
16 |
212 |
단과대학
Red |
29 |
46 |
6 |
25 |
11 |
8 |
99 |
11 |
51 |
86 |
87 |
Black |
30 |
44 |
8 |
27 |
13 |
9 |
103 |
8 |
49 |
75 |
94 |