R programming, please.

Set up a vector of the column names, 'a', 'b', 'c', 'd', 'e', ' f ' and answer the following for these columns. 1. Using the preProcess() function standardize the columns with z-score normalization. 2. Using the preProcess() function standardize the columns between the range of 1 and 1. 3. Using rescale() function standardize the columns between the range of 0 and 1 . 4. Examine z-scores from (a) above and comment whether there are outliers in these columns