formula residual

Definition and Purpose of Determining Residual Values in Linear Regression Analysis

Econometrics / By Kanda Data / September 12, 2023

In linear regression analysis, residual values play a crucial role. The residual value is the difference between the actual and predicted Y values. The actual Y value can be obtained from observations or samples of the dependent variable.

How to Determine Y Predicted, Residual, and Sum of Squares in Simple Linear Regression

Simple Linear Regression / By Kanda Data / March 8, 2022

In simple linear regression analysis, the calculation of the predicted Y value, residual value, and sum of squares need to be well understood by researchers. If previously you would usually look at the output of statistical software, on this occasion, I will give a tutorial on how to calculate it manually using Excel.