When asked a question like, "What is Data cleaning?",

we as the subject matter expert (SME) are given the chance to impart specific knowledge to the person asking the question. For the discussion forum, identify a specific function that the item performs, and provide an explanation of how to utilize the item with Big Data.

Your initial response be a minimum of  200 words. There should be a minimum of one reference supporting your observations. 

Two responses minimum 100 words

References :