Data Science is a new technology which is basically used for apply critical analysis It utilizes the potential and scope of Hadoop It also helps fully in R programming and machine learning implementation It is a blend of multiple technologies like data interface algorithm It helps to solve an analytical problem Data Science provides a clear understanding of work in big data analytical tool R Also provide the analyses big data It gives the clear idea of understanding of data transforming the data Also it helps is visualizing the data exploratory analysis understanding of null value It used to impute the value with the help of different rules and logic