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Data dredging analytic data10/24/2023 ![]() ![]() Source: COMMON MISTAKES IN USING STATISTICS: Spotting and Avoiding Themĭata mining (the analysis step of the “Knowledge Discovery and Data Mining” process, or KDD), an interdisciplinary subfield of computer science, is the computational process of discovering patterns in large data sets involving methods at the intersection of artificial intelligence, machine learning, statistics, and database systems.ĭata dredging (data fishing, data snooping, equation fitting) is the use of data mining to uncover relationships in data. The problems with data snooping are essentially the problems of multiple inference. Data snooping misleadingly out of ignorance is a common error in using statistics. Data snooping refers to statistical inference that the researcher decides to perform after looking at the data (as contrasted with pre-planned inference, which the researcher plans before looking at the data).ĭata snooping can be done professionally and ethically, or misleadingly and unethically, or misleadingly out of ignorance. ![]()
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