Question: Lab 4 Data preparations Using R 1- Apply na.omit function on a selected column, and display the column content after using the function. 2-

Lab 4 Data preparations Using R 1- Apply na.omit function on a

Lab 4 Data preparations Using R 1- Apply na.omit function on a selected column, and display the column content after using the function. 2- Use the functions: sort (), range ( ) and Unique() on a selected column. display the results. 3- Use the functions Attach ( ) and detach () on your data frame, display the content of two columns you select after each function used.

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