pandas.to_datetime

函数功能

• 将字符串形式的日期转化为日期格式

  • eg：20160102 -> 2016-01-02

函数介绍

代码示例

#label_data是用pandas读取csv文件#label_data['date_received']=pd.to_datetime(train_data['date_received'])#weekday表示本周的第几天0-6#label_data['week'] = [index.weekday()+1 for index in label_data['date_received']]#weekday表示本月的第几天啊#label_data['week'] = [index.day for index in label_data['date_received']]