into the variable my_vec . What information does str and summary tell you about my_vec ? How do they differ?

2. Try out a little plot. What does hist(my_vec) show you? What information does the helpfile for hist tell you about what you just did?

3. Load up the mtcars data set using data(mtcars) . Apply the following functions to mtcars: class , str , summary . What do these three functions tell you about mtcars?

4. Look at the help file for the class data.frame . What does it tell you about these objects?

5. What kind of data are you thinking about working with for your final project? Give me a brief description of the data