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Data science is a broad field that refers to the collective processes, theories, concepts, tools and technologies that enable the review, analysis and extraction of valuable knowledge and information from raw data. It is geared toward helping individuals and organizations make better decisions from stored, consumed and managed data.
Data science is formerly known as datalogy.
Data science enables the use of theoretical, mathematical, computational and other practical methods to study and evaluate data. The key objective is to extract required or valuable information that may be used for multiple purposes, such as decision making, product development, trend analysis and forecasting.
A data scientist is an individual that practices data science. Data science techniques include data mining, big data analysis, data extraction and data retrieval. Moreover, data science concepts and processes are derived from data engineering, statistics, programming, social engineering, data warehousing, machine learning and natural language processing, among others.