in rstudio

- Install the package by issuing this command install.packages("Stat2Data") and and then load the dataset Cereal \#install. packages ("Stat2Data") library ("Stat2Data") data( "Cereal") head(Cereal) - Read in the dataset, look at the 1rst few rows with head and inspect the data types of the variables in the dataframe with str. - Add a new variable to the dataset called 'totalcarb', which is the sum of 'Calories' and 'Sugar'. - How many unique Calories are included in the dataset? Hint: use length and unique. - Take a subset of the dataframe of all cereals that have less than 80 calories, AND have more than 20 units of fiber - For the above subsets, write a new CSV file to disk using write.csv