pandas日期类型差值timedelta大于等于7天
p_eci_cross'create_date'=pd.to_datetime(p_eci_cross'create_date')
p_eci_cross_viot=p_eci_cross.groupby('cell_identification').agg(日期最大值=('create_date','max'),日期最小值=('create_date','min'))
p_eci_cross_viot=p_eci_cross_viot.reset_index()
p_eci_cross_viot'日期差'=p_eci_cross_viot'日期最大值'-p_eci_cross_viot'日期最小值'
print(f'p_eci_cross_viot{p_eci_cross_viot.dtypes}')
#p_eci_cross_viot=p_eci_cross_viotp_eci_cross_viot\['日期差'>=pd.DateOffset(days=7)]
td = pd.to_timedelta('7 days')
p_eci_cross_viot = p_eci_cross_viotp_eci_cross_viot\['日期差' >=td]