This documents include the following assignment together Assignment 1: Impating data from difet soures Assignment 2. Merging datasets io 2 to 3 variables Assignment 3. grouply $ %% + Assignmet 4. How to use tracel $ recover () Asssignment 5. find a away to use the function sapply( and vapply((), rvariants of lapply that produces vectors, matices,and arrays as output,intead of lists map() and mapply() which itereate over multiple input data structue in parallel Assignment 6. Create custom mean,median, mode and quantiles using apply, sapply, vapply, and lapply