![]() ![]() You would like to show progress, so you decide to include them in your report to management. Your company has no business in Ohio or Louisiana, and it there is no reasonable conclusion why these correlations exist, even though the p-values are less than 5%. Answer: d) Data dredging, also called as data snooping, refers to the practice of misusing data mining techniques to show misleading scientific ‘research’. ![]() Of the 100, two show statistical significance: interest rates on boat loans in south Louisiana and household debt in north Ohio. Which of the following data mining technique is used to uncover patterns in data a) Data bagging b) Data booting c) Data merging d) Data Dredging. You download a database from a government website and decide to run a series of automated regressions. Imagine that instead of choosing only four macroeconomic indicators, you chose 100. 20.5 DATA DREDGING AS AN ANALYSIS TECHNIQUE Data dredging is a term used to characterize analyses that are done on an ad hoc basis, usually without benefit. This could have gone another way…īUT wait! This could have gone another way. An honest analyst would not make this claim, but show that there is no relationship. You had conflicting evidence of the statistical significance of two correlations, but since one side of the evidence supports a personal claim you would like to make, you decide to accept it. Since you’re in a bind, you decide to claim that GDP and Employment rate have a strong relationship to revenue, and that you’re going to explore this further. ![]()
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