使用Pandas去空值的方法“dropna”，dropna預設只要任一欄位有空值，就會整筆刪掉。可透過參數來調整，像是把how設為all，就是要全部為空才清掉，或是用subset指定當某一欄為空時才刪。 All paperwork are offered as-is, with no assurance of high quality or correctness, and should not be utilised as substitutes for your skillfully translated doc. 另設真人客服，待人為本，用心了解每位家長與學生的需要及... http://brettv000smd2.bloginder.com/profile