[英]Group datafrime by time slots in Pandas python
创建垃圾箱并按它们分组:
df = pd.read_csv('readings_by_hour.csv')
df['time'] = pd.to_datetime(df['time'])
df['time_bins'] = df['time'].dt.floor('6h')
df.groupby(['station_id', 'time_bins'])['flow'].mean()
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