Question: R for Data Science 4. Practice referring to non-syntactic names in the following data frame by: I. Extracting the variable called 1 . 2. Plotting

R for Data Science R for Data Science 4. Practice referring to non-syntactic names in

4. Practice referring to non-syntactic names in the following data frame by: I. Extracting the variable called 1 . 2. Plotting a scatterplot of 1 vs 2 3. Creating a new column called 3 which is 2 divided by 1. 4. Renaming the columns to one, two and three. annoying

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