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                    Video of Understanding DPLYR package and its functions in R language (With Examples) in R Programming Language course by Unboxing Big Data channel, video No. 23 free certified online                
            
            
                dplyr provides a consistent set of verbs that help you solve the most common data manipulation challenges:
1. mutate() adds new variables that are functions of existing variables
2. select() picks variables based on their names.
3. filter() picks cases based on their values.
4. summarise() reduces multiple values down to a single summary.
5. arrange() changes the ordering of the rows.