Straight line equation
Move the intercept and the slope, and see what each one does to the line.
y = x
Autumn 2026
Statistics and Data Science II
MSc programme in Computational Social Science, Linköping University. The course works from reading a scatterplot through to saying what would settle an argument about cause.
Weeks
Slides go up here after each lecture.
- Week 0 Course introduction Not posted
- Week 1 From correlation to regression Slides
- Week 2 Reading a regression properly Not posted
- Week 3 Adding variables Not posted
- Week 4 Interrogating an association Not posted
- Week 5 When the association differs Not posted
- Week 6 Binary outcomes Not posted
- Week 7 What would settle the argument Not posted
Tools
Regression line
Fit a line to the data and see how the sum of squared residuals change. Compare with the regression line.
ŷ = hours studied
Earlier rounds
2025 Material not available.