Types of data – different approaches of data collection – primary and secondary data
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These methods fall into two types of research categories, which are Qualitative Research and Quantitative Research. ...Primary Data – Data that is collected first hand by the researcher. This data is specifically collected for the purpose of the study and addresses the current problem.
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Data science is an inter-disciplinary field that uses scientific methods, processes, algorithms and systems to extract knowledge and insights from many structural and unstructured data. Data science is related to data mining, machine learning and big data
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