Inspecting
Mixed
tibble/dataframe 살펴보기 명령어들
head(tibble, 20) tail(tibble, 20) view(tibble) # in tidyverse, R에서는 대문자 View()
glimpse(tibble) slice(tibble, 5:20) # row numbers
str() # structure
pipe operator 이용
ex. iris2 %>% glimpse() # ctrl + enter