what is dask and how is it different from pandas

问题

1. Can any one explain how to rectify this error
2. Where do i get a detailed info of dask
3. Can it replace pandas.
4. How is it different from other dataframes, is it fast in processing

Code:

import dask.dataframe as dd      
df = dd.demo.make_timeseries('2000-01-01', '2000-12-31', freq='10s', partition_freq='1M',dtypes={'name': str, 'id': int, 'x': float, 'y': float})            
print df

o/p:

Traceback (most recent call last): File "C:/Users/divya.nagandla/PycharmProjects/python/supressions1/dask.py", line 1, in import dask.dataframe as dd File "C:\Users\divya.nagandla\PycharmProjects\python\supressions1\dask.py", line 1, in

import dask.dataframe as dd ImportError: No module named dataframe

回答1:

pip install dask[dataframe]

you can also install complete dask package

pip install dask[complete]

installation guide

for more light on dask follow below links

1. https://dask.pydata.org/en/latest/_downloads/daskcheatsheet.pdf

2. Details info on dask https://github.com/dask/dask-tutorial

来源：https://stackoverflow.com/questions/50461126/what-is-dask-and-how-is-it-different-from-pandas