Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.

QUESTION

Raw data is often dirty, misaligned, overly complex, and inaccurate and not readily usable by analytics tasks. Data preprocessing is a data mining technique which is used to transform the raw data in

Raw data is often dirty, misaligned, overly complex, and inaccurate and not readily usable by analytics tasks. Data preprocessing is a data mining technique which is used to transform the raw data in a useful and efficient format.

The main data preprocessing steps are:

• Data consolidation

• Data cleaning

• Data transformation

• Data reduction

  1. Research each data preprocessing step and briefly explain the objective for each data preprocessing step. For example, what occurs during data consolidation, data cleaning, data transformation and data reduction?
  2. Explain why data preprocessing is essential to any successful data mining. Please be sure to provide support for your answer.

Reply Post:

Please critique at least 2 classmates initial posts and provide comments as to why you agree or disagree with your classmate’s discussion.

Show more
LEARN MORE EFFECTIVELY AND GET BETTER GRADES!
Ask a Question