Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 9.32 26.25 31.28 31.98 37.01 73.06
Xsum %>%
sd %>%
round(2)
## [1] 8.04
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## named numeric(0)
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "5846"
Plot


학번
Red |
11 |
23 |
33 |
45 |
37 |
65 |
245 |
Black |
13 |
22 |
42 |
47 |
37 |
60 |
239 |
e-mail 서비스업체
Red |
344 |
102 |
13 |
Black |
355 |
94 |
11 |
전화번호의 분포
Red |
41 |
49 |
46 |
50 |
39 |
44 |
44 |
50 |
45 |
51 |
Black |
40 |
50 |
47 |
52 |
47 |
37 |
47 |
48 |
44 |
48 |
성씨 분포
Red |
98 |
66 |
40 |
24 |
14 |
217 |
Black |
101 |
72 |
40 |
22 |
19 |
206 |
단과대학
Red |
28 |
42 |
7 |
30 |
10 |
8 |
100 |
11 |
50 |
77 |
96 |
Black |
31 |
48 |
7 |
22 |
14 |
9 |
102 |
8 |
50 |
84 |
85 |