Question

What is data preprocessing in data mining?

Answer 1

Data preprocessing is a data miningtechnique that involves transforming raw data into an understandable format. Real-world data is often incomplete, inconsistent, and/or lacking in certain behaviors or trends, and is likely to contain many errors.Data preprocessing is a proven method of resolving such issues.

Answer 2

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Data preprocessing is a data mining technique which is used to transform the raw data in a useful and efficient format.