Data Preprocessing Techniques for Data Mining - …

data Preprocessing Techniques for data Mining Introduction data pre-processing is an often neglected but important step in the data Mining process. The phrase "Garbage In, Garbage Out" is particu larly applicab le to data Mining and machine learning. data gathering methods are often loosely controlled, resulting in out-of-range values ( , Income: -100), impossible data combinations ( , Gender: Male, Pregnant: Yes), miss ing values, etc. Analyzing data that has not been carefully screened for such problems can produce misleading results. Thus, the representation and quality of data is first and foremost before running an analysis.

Data Preprocessing Techniques for Data Mining Winter School on "Data Mining Techniques and Tools for Knowledge Discovery in Agricultural Datasets ”

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