Red and Black : Search for the Best

Summary

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

##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    0.09    3.48    5.37    6.00    7.84   35.90

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

## [1] 3.43

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

## 63077 
##  0.09

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

## [1] "63077"

Plot

학번

	2018 이전	2019	2020	2021	2022	2023	2024
Red	13	28	50	42	35	46	192
Black	13	28	50	41	36	44	195