9/2/2023 0 Comments Data dredging.![]() ![]() If you use exploratory analyses to generate hypotheses, be sure to test those hypotheses on data sets other than the one used for exploratory analysis. If not, you may simply be 'massaging' the data for a (probably false) signal. ![]() If using data transformations or discarding data, ensure that there is solid rationale to do so. ![]() "Data dredging" (sometimes called "data fishing") is a real risk which may invalidate any conclusions you draw from your analysis.Įxploratory analyses are used to find subsets of data that confirm (or are more likely to confirm) an a priori hypothesis which may not be generalisable to the whole (statistical) population.Įxploratory analyses are used to generate a hypothesis from a given data set which is tested using the same data set.Įvaluate if your data supports the results of a hypothesis based on previous knowledge and research. ![]()
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