https://github.com/b07901135/Data_Science_Programming/blob/89e692f8117dfc6e71df60ac03ac3c45af970816/w1_thu/w1_thu_class.Rmd ### 建議 - 想看 merge 完的結果建議試試看 str, head兩個函數
https://github.com/b07901135/Data_Science_Programming/blob/89e692f8117dfc6e71df60ac03ac3c45af970816/w1_thu/w1_thu_class.Rmd
建議