DS from S: Chapter 14
Simple Linear Regression
Thought before starting
Not expecting to learn anything new in this chapter, given that I’ve got plenty of experience doing linear regressions back when I was doing physics. I might learn some new vocabulary, though, and I do plan to go through & confirm this.
Thoughts while reading
Not going to write the simple functions I’m seeing.
Oh, DataSciencester is back!
Laughed at this: “Let’s assume that you’ve convinced yourself that having more friends causes people to spend more time on the site…”
Least squares solution is familiar.
Gradient descent application looks reasonable
What I learned
N/A
What I liked
Confirming that I don’t need to do this
What I disliked
N/A