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                    Video of Tutorial on Apply Family of Functions in R language in R Programming Language course by Unboxing Big Data channel, video No. 19 free certified online                
            
            
                The members of the apply family are apply(), lapply(), sapply(), tapply(), mapply().
These functions are substitutes/alternatives to loops.
Benefits of apply functions over traditional loops
1. Much more efficient and faster in execution.
2. Easy to follow syntax (rather than writing a block of instructions only one line of code using apply functions)