Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 6.74 26.32 31.36 32.03 37.01 90.95
Xsum %>%
sd %>%
round(2)
## [1] 8.02
Xsum %>%
`<=`(9) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## 6026034 6058525 6092078 6210911 6324254 6467896 6478139 6490145 6524279 6680263
## 8.93 6.82 8.30 8.47 7.48 8.40 8.87 8.76 7.97 7.92
## 6780487 6874442 6876633 6994218
## 7.38 8.00 6.74 8.83
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "6876633"
Plot


학번
Red |
19 |
45 |
52 |
76 |
38 |
171 |
54 |
Black |
19 |
41 |
55 |
78 |
33 |
181 |
49 |
e-mail 서비스업체
Red |
328 |
105 |
22 |
Black |
330 |
109 |
17 |
전화번호의 분포
Red |
48 |
47 |
37 |
57 |
46 |
46 |
40 |
55 |
42 |
37 |
Black |
48 |
46 |
37 |
50 |
42 |
46 |
41 |
60 |
50 |
36 |
성씨 분포
Red |
99 |
70 |
33 |
25 |
17 |
211 |
Black |
98 |
70 |
34 |
21 |
18 |
215 |
단과대학
Red |
18 |
45 |
11 |
33 |
9 |
9 |
92 |
26 |
60 |
79 |
73 |
Black |
17 |
52 |
7 |
35 |
7 |
11 |
82 |
25 |
59 |
82 |
79 |