HW03

HW02

1. Load up required libraries: tidyverse, lubridate, tidyquant, readxl, writexl. 2. Import the data files using read_excel() to import excel files. 3. Based on bikes.xlsx, show "model" and "price" column with "price" in descending order. (Hint: use select(), arrange(), desc()) 4. Based on bikes.xlsx, show "model" and "price" column with "price" greater than mean value of price. (Hint: use select(), filter())