[英]Converting a Dask column into new Dask column of type datetime
I have an unparsed column in a dask dataframe (df) that I am using pandas to convert to datetime and put into a new column in the dask dataframe. 我在dask数据帧(df)中有一个未分析的列,我正在使用pandas转换为datetime并将其放入dask数据帧中的新列。 However it breaks as column assignment doesn't support type DatetimeIndex.
但是由于列分配不支持DatetimeIndex类型而中断。
df['New Column'] = pd.to_datetime(np.array(df.index.values), format='%Y/%m/%d %H:%M')
this should work 这应该工作
import dask.dataframe as dd
# note df is a dask dataframe
df['New Column'] = dd.to_datetime(df.index, format='%Y/%m/%d %H:%M')
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