June 2019
Beginner to intermediate
360 pages
10h 55m
English
Content preview from Big Data Simplified
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258 | Big Data Simplied
4. Now check the output in HDFS in the specified path as shown below.
hadoop fs -ls /data/pythonoutput
hadoop fs -cat /data/pythonoutput/part-00000
Summary
• Before we start Python programming, first
we need to import a few basic libraries of
Python as follows.
• ‘os’ for using operating system depen-
dent functions.
• ‘numpy’ for numerical operations.
• ‘pandas’ for extensive data manipulation
functionalities.
• ‘matplotlib’ for producing 2D plots to
render visualization and helps in explor-
ing the data sets.
• ‘scikit-learn’ for implementing machine
learning functionalities in Python. ...
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