Red and Black : Search for the Best

Summary

Xsum %>%
  summary %>%
  round(2) 

##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    0.02    3.47    5.36    6.00    7.85   32.68

Xsum %>%
  sd %>%
  round(2)

## [1] 3.44

Xsum %>%
  `<=`(0.1) %>%
  which %>%
  `[`(Xsum, .) %>%
  round(2)

## 36244 80795 
##  0.02  0.07

Xmin <- names(Xsum[which(Xsum == min(Xsum))])
Xmin

## [1] "36244"

Plot

학번

	2017 이전	2018	2019	2020	2021	2022	2023
Red	23	41	57	80	58	161	82
Black	23	41	56	81	58	161	83