https://github.com/fhcwcsy/data_science_programming/blob/fa9d91c7ca20a93c853524b8cab5cf7b5477a639/week_1/day2/note.Rmd ### 建議 - 可以多練習 dplyr 的函數用法 - 想看 merge 完的結果建議試試看 str, head兩個函數
https://github.com/fhcwcsy/data_science_programming/blob/fa9d91c7ca20a93c853524b8cab5cf7b5477a639/week_1/day2/note.Rmd
建議