Purpose of compute() in Dask

Purpose of compute() in Dask

What're the logistics behind having the extra .compute() in the numpy and pandas mimicked functionalities? Is it just to support some kind of lazy evaluation?

What're the logistics behind having the extra .compute() in the numpy and pandas mimicked functionalities? Is it just to support some kind of lazy evaluation?

Example from Dask documentation below:

import pandas as pd                     import dask.dataframe as dd
df = pd.read_csv('2015-01-01.csv')      df = dd.read_csv('2015-*-*.csv')
df.groupby(df.user_id).value.mean()     df.groupby(df.user_id).value.mean().compute()


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