Red and Black : Search for the Best

Summary

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

##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    0.63    3.21    5.05    6.26    7.97   22.98

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

## [1] 4.21

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

## named numeric(0)

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

## [1] "53"

Plot

학번

	2017 이전	2018	2019	2020	2021	2022	2023
Red	23	42	54	82	56	160	85
Black	23	40	59	79	60	162	80