(Use only in case if you dont know how to run them on hadoop)
MM = Matrix multiplication WC = Word Count
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cat input.txt | python3 mapper_WC.py | sort -k1,1 | python3 reducer_WC.py
(python3 subjective to the python version, also clone input.txt in same folder) -
cat input_MM.txt | python3 mapper_MM.py | sort | python3 reducer_MM.py
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I case of R programs use R studio to run them.