| 1 | # https://deeplearningcourses.com/c/data-science-linear-regression-in-python |
| 2 | # need to sudo pip install xlrd to use pd.read_excel |
| 3 | # data is from: |
| 4 | # http://college.cengage.com/mathematics/brase/understandable_statistics/7e/students/datasets/mlr/frames/mlr02.html |