70-208: Regression. Lecture 1: Introduction to Regression Analysis. Spring 2014. John Gasper. Welcome. What is Regression? Why should we care? What can we do with it? How much do sales increase with every advertisement placed? How do wages of employees depend on education?
Lecture 1: Introduction to Regression Analysis
Data: what is it?
Inter quartile range?
What is the Normal distribution?
Normal, or Gaussian, distributions are going to be very important for us.
If data track the diagonal line,
you can safely assume it’s a
What is a z-score?