1 Data Collection and Cleaning
In the 21st century, data are everywhere. Across different application areas, data are being collected at an unprecedented rate. Decisions in past were purely made based on guesswork, expert opinions, or by using constructed models; but these days decisions are made solely based on the data available. Large amounts of data or so-called “Big Data” has the potential to revolutionize different aspects of modern society. Application areas of Big Data include scientific research, financial services, retail manufacturing, biological and physical sciences, healthcare, transportation, environmental modeling, energy saving, homeland security, social network analysis, and much more [1].
So how ...
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