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Which of the following focuses on the discovery of (previously) unknown properties on the data?

(a) Data mining

(b) Big Data

(c) Data wrangling

(d) Machine Learning

The question was asked in an interview.

My question is based upon Big Data topic in chapter Data Science Basics and Data Scientist Toolbox of Data Science

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Best answer
Correct answer is (a) Data mining

Best explanation: Data munging or data wrangling is loosely the process of manually converting or mapping data from one “raw” form into another format that allows for more convenient consumption of the data with the help of semi-automated tools.

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