search

wush978 / DataScienceAndR

R語言翻轉教室
www.datascienceandr.org
148 stars 79 forks source link

RDataEngineer-06 02 參考答案應該要用filter NA的部分要用 or #218

Closed wush978 closed 8 years ago

wush978 commented 8 years ago

我檢查後，答案沒問題