Nội dung bộ dữ liệu

# View top 3 rows of abalone dataset using head()
head(___, ___)

# View bottom 3 rows of abalone dataset using tail()
tail(___, ___)

# Run arrange function from dplyr to sort the data by rings
arrange(___, ___)

# Rewrite the line of code above using the %>% notation
___ %>% 
  ___