Here are the lecture notes for Modern Regression (bottom of page): http://www.stat.cmu.edu/~cshalizi/mreg/15/ http://www.stat.cmu.edu/~cshalizi/mreg/15/ Looks

Here are the lecture notes for Modern Regression (bottom of page): http://www.stat.cmu.edu/~cshalizi/mreg/15/ http://www.stat.cmu.edu/~cshalizi/mreg/15/ Looks pretty serious to me