Red and Black : Search for the Best

Summary

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

##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    1.50    3.80    5.24    6.10    7.92   17.58

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

## [1] 3.33

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

## named numeric(0)

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

## [1] "45"

Plot

학번

	2018 이전	2019	2020	2021	2022	2023	2024
Red	19	40	50	77	37	182	50
Black	19	46	57	77	34	170	53