Summary
Xsum %>%
summary %>%
round(2)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 1.16 11.93 15.36 16.01 19.38 57.50
Xsum %>%
sd %>%
round(2)
## [1] 5.64
Xsum %>%
`<=`(2) %>%
which %>%
`[`(Xsum, .) %>%
round(2)
## 36358 131662 201105 253172 558797 578485 616088 702310 741047 846913 857161
## 1.35 1.89 1.98 1.16 1.59 2.00 1.47 1.70 1.33 1.86 1.84
## 940928 972857 991212 996300
## 1.65 1.53 1.79 1.74
Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin
## [1] "253172"
Plot


학번
Red |
12 |
23 |
38 |
46 |
38 |
64 |
238 |
Black |
12 |
22 |
37 |
46 |
36 |
61 |
246 |
단과대학
Red |
29 |
43 |
7 |
26 |
13 |
9 |
103 |
10 |
51 |
81 |
87 |
Black |
30 |
47 |
7 |
26 |
11 |
8 |
99 |
9 |
49 |
80 |
94 |