Data cleaning is very crucial. Why? What are the advantages of cleaning it?

As dirty data often results in poor and incorrect output which can have damaging effects, it is very important to do data cleaning to have correct and relevant information.

• Cleaned data highly increases the accuracy of a model and gives good predictions.
• It results in increased speed and efficiency of an application.
• Data cleaning helps a user to identify any high-risk issues and helps them to fix them.
• It maintains data consistency and helps in removing duplicates.
• Data cleaning can also increase the data quality.