Error in p$sec : $ operator is invalid for atomic vectors

源自：2-8 R语言基础日期与时间

Error in p$sec : $ operator is invalid for atomic vectors

Error in p$sec : $ operator is invalid for atomic vectors

提问者：慕圣603946 2017-07-18 10:45

个回答

欢欢馨

2017-07-19 13:51:27

看p是不是日期型

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