Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我有一个包含“NA”值(字符串值)的文件,当我使用 fread 函数时,这些值被读取为缺失值。有没有办法说不要将“NA”读为缺失值?我不想使用 na.strings = ""