Problem: A few observations on fitted values and residuals
Problem
Prove that if \(y_i=c\) for all \(i\) ( \(y\) is constant) then
- \({\hat{y}}_i=c\) for all \(i\)
- \(e_i=0\) for all \(i\)
- \(RSS=0\)
Solution
Problem
Prove that if \(y_i=c\) for all \(i\) ( \(y\) is constant) then
Solution