Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 6.33 26.36 31.38 32.03 37.00 82.57
Xsum %>%
sd %>%
round(2)
## [1] 7.97
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## 4020331 4060995 4141319 4159567 4597648 4680963 4716175 4775604
## 8.10 8.61 8.67 6.33 8.64 8.75 8.92 8.74
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "4159567"
Plot


학번
Red |
11 |
25 |
36 |
46 |
39 |
61 |
236 |
Black |
15 |
23 |
39 |
48 |
38 |
59 |
232 |
e-mail 서비스업체
Red |
341 |
101 |
12 |
Black |
352 |
93 |
9 |
전화번호의 분포
Red |
43 |
50 |
46 |
51 |
41 |
37 |
47 |
48 |
45 |
46 |
Black |
39 |
48 |
45 |
48 |
44 |
45 |
42 |
47 |
45 |
51 |
성씨 분포
Red |
97 |
68 |
37 |
22 |
17 |
213 |
Black |
100 |
68 |
41 |
24 |
14 |
207 |
단과대학
Red |
26 |
45 |
5 |
25 |
12 |
7 |
105 |
10 |
49 |
80 |
90 |
Black |
30 |
41 |
8 |
28 |
11 |
9 |
98 |
10 |
47 |
83 |
89 |